Abstract

Photoluminescence (PL) spectra of single nitrogen vacancy (NV) centers in 50-nm diamond nanocrystals at the zero-phonon line (ZPL) were directly observed using a Fabry-Perot interferometer at cryogenic temperatures. The narrowest linewidth of ZPL was 1.2 GHz (1.9±0.7 GHz on average), comparable to ZPL linewidths in PL spectra reported for NV centers in pure bulk diamond. This observation is important to the application of NV centers for use in quantum communication and computation devices, and in nano-sensing.

© 2013 Optical Society of America

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    [CrossRef]
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    [CrossRef] [PubMed]
  3. L. Childress, M. V. Gurudev Dutt, J. M. Taylor, A. S. Zibrov, F. Jelezko, J. Wrachtrup, P. R. Hemmer, and M. D. Lukin, “Coherent dynamics of coupled electron and nuclear spin qubits in diamond,” Science314(5797), 281–285 (2006).
    [CrossRef] [PubMed]
  4. A. Batalov, V. Jacques, F. Kaiser, P. Siyushev, P. Neumann, L. J. Rogers, R. L. McMurtrie, N. B. Manson, F. Jelezko, and J. Wrachtrup, “Low temperature studies of the excited-state structure of negatively charged nitrogen-vacancy color centers in diamond,” Phys. Rev. Lett.102(19), 195506 (2009).
    [CrossRef] [PubMed]
  5. P. Tamarat, T. Gaebel, J. R. Rabeau, M. Khan, A. D. Greentree, H. Wilson, L. C. L. Hollenberg, S. Prawer, P. Hemmer, F. Jelezko, and J. Wrachtrup, “Stark shift control of single optical centers in diamond,” Phys. Rev. Lett.97(8), 083002 (2006).
    [CrossRef] [PubMed]
  6. Y. M. Shen, T. M. Sweeney, and H. L. Wang, “Zero-phonon linewidth of single nitrogen vacancy centers in diamond nanocrystals,” Phys. Rev. B77(3), 033201 (2008).
    [CrossRef]
  7. K.-M. C. Fu, C. Santori, P. E. Barclay, L. J. Rogers, N. B. Manson, and R. G. Beausoleil, “Observation of the dynamic Jahn-Teller effect in the excited states of nitrogen-vacancy centers in diamond,” Phys. Rev. Lett.103(25), 256404 (2009).
    [CrossRef] [PubMed]
  8. T. D. Ladd, F. Jelezko, R. Laflamme, Y. Nakamura, C. Monroe, and J. L. O’Brien, “Quantum computers,” Nature464(7285), 45–53 (2010).
    [CrossRef] [PubMed]
  9. K. Kojima, H. F. Hofmann, S. Takeuchi, and K. Sasaki, “Nonlinear interaction of two photons at a one-dimensional atom: spatiotemporal quantum coherence in the emitted field,” Phys. Rev. A68(1), 013803 (2003).
    [CrossRef]
  10. H. F. Hofmann, K. Kojima, S. Takeuchi, and K. Sasaki, “Entanglement and four wave mixing effects in the dissipation free nonlinear interaction of two photons at a single atom,” Phys. Rev. A68(4), 043813 (2003).
    [CrossRef]
  11. J. R. Maze, P. L. Stanwix, J. S. Hodges, S. Hong, J. M. Taylor, P. Cappellaro, L. Jiang, M. V. Dutt, E. Togan, A. S. Zibrov, A. Yacoby, R. L. Walsworth, and M. D. Lukin, “Nanoscale magnetic sensing with an individual electronic spin in diamond,” Nature455(7213), 644–647 (2008).
    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
  18. J. Wolters, A. W. Schell, G. Kewes, N. Nüsse, M. Schoengen, H. Döscher, T. Hannappel, B. Löchel, M. Barth, and O. Benson, “Enhancement of the zero phonon line emission from a single nitrogen vacancy center in a nanodiamond via coupling to a photonic crystal cavity,” Appl. Phys. Lett.97(14), 141108 (2010).
    [CrossRef]
  19. T. Schröder, A. W. Schell, G. Kewes, T. Aichele, and O. Benson, “Fiber-integrated diamond-based single photon source,” Nano Lett.11(1), 198–202 (2011).
    [CrossRef] [PubMed]
  20. Y. S. Park, A. K. Cook, and H. L. Wang, “Cavity QED with diamond nanocrystals and silica microspheres,” Nano Lett.6(9), 2075–2079 (2006).
    [CrossRef] [PubMed]
  21. T. Schröder, M. Fujiwara, T. Noda, H.-Q. Zhao, O. Benson, and S. Takeuchi, “A nanodiamond-tapered fiber system with high single-mode coupling efficiency,” Opt. Express20(10), 10490–10497 (2012).
    [CrossRef] [PubMed]
  22. M. Fujiwara, K. Toubaru, T. Noda, H.-Q. Zhao, and S. Takeuchi, “Highly efficient coupling of photons from nanoemitters into single-mode optical fibers,” Nano Lett.11(10), 4362–4365 (2011).
    [CrossRef] [PubMed]
  23. C. Santori, P. E. Barclay, K.-M. C. Fu, R. G. Beausoleil, S. Spillane, and M. Fisch, “Nanophotonics for quantum optics using nitrogen-vacancy centers in diamond,” Nanotechnology21(27), 274008 (2010).
    [CrossRef] [PubMed]
  24. A. Faraon, C. Santori, Z.-H. Huang, V. M. Acosta, and R. G. Beausoleil, “Coupling of nitrogen-vacancy centers to photonic crystal cavities in monocrystalline diamond,” Phys. Rev. Lett.109(3), 033604 (2012).
    [CrossRef] [PubMed]
  25. H. Bernien, L. Childress, L. Robledo, M. Markham, D. Twitchen, and R. Hanson, “Two-photon quantum interference from separate nitrogen vacancy centers in diamond,” Phys. Rev. Lett.108(4), 043604 (2012).
    [CrossRef] [PubMed]
  26. C. Santori, D. Fattal, J. Vucković, G. S. Solomon, and Y. Yamamoto, “Indistinguishable photons from a single-photon device,” Nature419(6907), 594–597 (2002).
    [CrossRef] [PubMed]
  27. H.-Q. Zhao, M. Fujiwara, and S. Takeuchi, “Suppression of fluorescence phonon sideband from nitrogen vacancy centers in diamond nanocrystals by substrate effect,” Opt. Express20(14), 15628–15635 (2012).
    [CrossRef] [PubMed]
  28. H.-Q. Zhao, M. Fujiwara, and S. Takeuchi, “Effect of substrates on the temperature dependence of fluorescence spectra of nitrogen vacancy centers in diamond nanocrystals,” Jpn. J. Appl. Phys.51, 090110 (2012).
    [CrossRef]
  29. E. Neu, C. Hepp, M. Hauschild, S. Gsell, M. Fischer, H. Sternschulte, D. Steinmüller-Nethl, M. Schreck, and C. Becher, “Low temperature investigations of single silicon vacancy colour centres in diamond,” New J. Phys.15(4), 043005 (2013).
    [CrossRef]
  30. The error was the square root of the sample variance of the 7-NV data, and not the unbiased sample variance, since our pre-selection excluded NV centers having excessively large ZPL linewidths, on account of which they could not be detected by the FP interferometer.
  31. F. Jelezko, I. Popa, A. Gruber, C. Tietz, J. Wrachtrup, A. Nizovtsev, and S. Kilin, “Single spin states in a defect center resolved by optical spectroscopy,” Appl. Phys. Lett.81(12), 2160–2162 (2002).
    [CrossRef]

2013 (1)

E. Neu, C. Hepp, M. Hauschild, S. Gsell, M. Fischer, H. Sternschulte, D. Steinmüller-Nethl, M. Schreck, and C. Becher, “Low temperature investigations of single silicon vacancy colour centres in diamond,” New J. Phys.15(4), 043005 (2013).
[CrossRef]

2012 (5)

H.-Q. Zhao, M. Fujiwara, and S. Takeuchi, “Suppression of fluorescence phonon sideband from nitrogen vacancy centers in diamond nanocrystals by substrate effect,” Opt. Express20(14), 15628–15635 (2012).
[CrossRef] [PubMed]

H.-Q. Zhao, M. Fujiwara, and S. Takeuchi, “Effect of substrates on the temperature dependence of fluorescence spectra of nitrogen vacancy centers in diamond nanocrystals,” Jpn. J. Appl. Phys.51, 090110 (2012).
[CrossRef]

T. Schröder, M. Fujiwara, T. Noda, H.-Q. Zhao, O. Benson, and S. Takeuchi, “A nanodiamond-tapered fiber system with high single-mode coupling efficiency,” Opt. Express20(10), 10490–10497 (2012).
[CrossRef] [PubMed]

A. Faraon, C. Santori, Z.-H. Huang, V. M. Acosta, and R. G. Beausoleil, “Coupling of nitrogen-vacancy centers to photonic crystal cavities in monocrystalline diamond,” Phys. Rev. Lett.109(3), 033604 (2012).
[CrossRef] [PubMed]

H. Bernien, L. Childress, L. Robledo, M. Markham, D. Twitchen, and R. Hanson, “Two-photon quantum interference from separate nitrogen vacancy centers in diamond,” Phys. Rev. Lett.108(4), 043604 (2012).
[CrossRef] [PubMed]

2011 (3)

M. Fujiwara, K. Toubaru, T. Noda, H.-Q. Zhao, and S. Takeuchi, “Highly efficient coupling of photons from nanoemitters into single-mode optical fibers,” Nano Lett.11(10), 4362–4365 (2011).
[CrossRef] [PubMed]

O. Benson, “Assembly of hybrid photonic architectures from nanophotonic constituents,” Nature480(7376), 193–199 (2011).
[CrossRef] [PubMed]

T. Schröder, A. W. Schell, G. Kewes, T. Aichele, and O. Benson, “Fiber-integrated diamond-based single photon source,” Nano Lett.11(1), 198–202 (2011).
[CrossRef] [PubMed]

2010 (5)

J. Wolters, A. W. Schell, G. Kewes, N. Nüsse, M. Schoengen, H. Döscher, T. Hannappel, B. Löchel, M. Barth, and O. Benson, “Enhancement of the zero phonon line emission from a single nitrogen vacancy center in a nanodiamond via coupling to a photonic crystal cavity,” Appl. Phys. Lett.97(14), 141108 (2010).
[CrossRef]

E. Togan, Y. Chu, A. S. Trifonov, L. Jiang, J. Maze, L. Childress, M. V. G. Dutt, A. S. Sørensen, P. R. Hemmer, A. S. Zibrov, and M. D. Lukin, “Quantum entanglement between an optical photon and a solid-state spin qubit,” Nature466(7307), 730–734 (2010).
[CrossRef] [PubMed]

T. D. Ladd, F. Jelezko, R. Laflamme, Y. Nakamura, C. Monroe, and J. L. O’Brien, “Quantum computers,” Nature464(7285), 45–53 (2010).
[CrossRef] [PubMed]

C. Santori, P. E. Barclay, K.-M. C. Fu, R. G. Beausoleil, S. Spillane, and M. Fisch, “Nanophotonics for quantum optics using nitrogen-vacancy centers in diamond,” Nanotechnology21(27), 274008 (2010).
[CrossRef] [PubMed]

T. M. Babinec, B. J. M. Hausmann, M. Khan, Y. N. Zhang, J. R. Maze, P. R. Hemmer, and M. Loncar, “A diamond nanowire single-photon source,” Nat. Nanotechnol.5(3), 195–199 (2010).
[CrossRef] [PubMed]

2009 (2)

K.-M. C. Fu, C. Santori, P. E. Barclay, L. J. Rogers, N. B. Manson, and R. G. Beausoleil, “Observation of the dynamic Jahn-Teller effect in the excited states of nitrogen-vacancy centers in diamond,” Phys. Rev. Lett.103(25), 256404 (2009).
[CrossRef] [PubMed]

A. Batalov, V. Jacques, F. Kaiser, P. Siyushev, P. Neumann, L. J. Rogers, R. L. McMurtrie, N. B. Manson, F. Jelezko, and J. Wrachtrup, “Low temperature studies of the excited-state structure of negatively charged nitrogen-vacancy color centers in diamond,” Phys. Rev. Lett.102(19), 195506 (2009).
[CrossRef] [PubMed]

2008 (3)

Y. M. Shen, T. M. Sweeney, and H. L. Wang, “Zero-phonon linewidth of single nitrogen vacancy centers in diamond nanocrystals,” Phys. Rev. B77(3), 033201 (2008).
[CrossRef]

J. R. Maze, P. L. Stanwix, J. S. Hodges, S. Hong, J. M. Taylor, P. Cappellaro, L. Jiang, M. V. Dutt, E. Togan, A. S. Zibrov, A. Yacoby, R. L. Walsworth, and M. D. Lukin, “Nanoscale magnetic sensing with an individual electronic spin in diamond,” Nature455(7213), 644–647 (2008).
[CrossRef] [PubMed]

C.-H. Su, A. D. Greentree, and L. C. L. Hollenberg, “Towards a picosecond transform-limited nitrogen-vacancy based single photon source,” Opt. Express16(9), 6240–6250 (2008).
[CrossRef] [PubMed]

2007 (2)

J. L. O’Brien, “Optical quantum computing,” Science318(5856), 1567–1570 (2007).
[CrossRef] [PubMed]

T. Nagata, R. Okamoto, J. L. O’brien, K. Sasaki, and S. Takeuchi, “Beating the standard quantum limit with four-entangled photons,” Science316(5825), 726–729 (2007).
[CrossRef] [PubMed]

2006 (5)

Y. S. Park, A. K. Cook, and H. L. Wang, “Cavity QED with diamond nanocrystals and silica microspheres,” Nano Lett.6(9), 2075–2079 (2006).
[CrossRef] [PubMed]

P. Tamarat, T. Gaebel, J. R. Rabeau, M. Khan, A. D. Greentree, H. Wilson, L. C. L. Hollenberg, S. Prawer, P. Hemmer, F. Jelezko, and J. Wrachtrup, “Stark shift control of single optical centers in diamond,” Phys. Rev. Lett.97(8), 083002 (2006).
[CrossRef] [PubMed]

F. Jelezko and J. Wrachtrup, “Single defect centers in diamond: A review,” Phys. Status Solidi A203(13), 3207–3225 (2006).
[CrossRef]

Y. S. Park, A. K. Cook, and H. L. Wang, “Cavity QED with diamond nanocrystals and silica microspheres,” Nano Lett.6(9), 2075–2079 (2006).
[CrossRef] [PubMed]

L. Childress, M. V. Gurudev Dutt, J. M. Taylor, A. S. Zibrov, F. Jelezko, J. Wrachtrup, P. R. Hemmer, and M. D. Lukin, “Coherent dynamics of coupled electron and nuclear spin qubits in diamond,” Science314(5797), 281–285 (2006).
[CrossRef] [PubMed]

2003 (2)

K. Kojima, H. F. Hofmann, S. Takeuchi, and K. Sasaki, “Nonlinear interaction of two photons at a one-dimensional atom: spatiotemporal quantum coherence in the emitted field,” Phys. Rev. A68(1), 013803 (2003).
[CrossRef]

H. F. Hofmann, K. Kojima, S. Takeuchi, and K. Sasaki, “Entanglement and four wave mixing effects in the dissipation free nonlinear interaction of two photons at a single atom,” Phys. Rev. A68(4), 043813 (2003).
[CrossRef]

2002 (2)

C. Santori, D. Fattal, J. Vucković, G. S. Solomon, and Y. Yamamoto, “Indistinguishable photons from a single-photon device,” Nature419(6907), 594–597 (2002).
[CrossRef] [PubMed]

F. Jelezko, I. Popa, A. Gruber, C. Tietz, J. Wrachtrup, A. Nizovtsev, and S. Kilin, “Single spin states in a defect center resolved by optical spectroscopy,” Appl. Phys. Lett.81(12), 2160–2162 (2002).
[CrossRef]

Acosta, V. M.

A. Faraon, C. Santori, Z.-H. Huang, V. M. Acosta, and R. G. Beausoleil, “Coupling of nitrogen-vacancy centers to photonic crystal cavities in monocrystalline diamond,” Phys. Rev. Lett.109(3), 033604 (2012).
[CrossRef] [PubMed]

Aichele, T.

T. Schröder, A. W. Schell, G. Kewes, T. Aichele, and O. Benson, “Fiber-integrated diamond-based single photon source,” Nano Lett.11(1), 198–202 (2011).
[CrossRef] [PubMed]

Babinec, T. M.

T. M. Babinec, B. J. M. Hausmann, M. Khan, Y. N. Zhang, J. R. Maze, P. R. Hemmer, and M. Loncar, “A diamond nanowire single-photon source,” Nat. Nanotechnol.5(3), 195–199 (2010).
[CrossRef] [PubMed]

Barclay, P. E.

C. Santori, P. E. Barclay, K.-M. C. Fu, R. G. Beausoleil, S. Spillane, and M. Fisch, “Nanophotonics for quantum optics using nitrogen-vacancy centers in diamond,” Nanotechnology21(27), 274008 (2010).
[CrossRef] [PubMed]

K.-M. C. Fu, C. Santori, P. E. Barclay, L. J. Rogers, N. B. Manson, and R. G. Beausoleil, “Observation of the dynamic Jahn-Teller effect in the excited states of nitrogen-vacancy centers in diamond,” Phys. Rev. Lett.103(25), 256404 (2009).
[CrossRef] [PubMed]

Barth, M.

J. Wolters, A. W. Schell, G. Kewes, N. Nüsse, M. Schoengen, H. Döscher, T. Hannappel, B. Löchel, M. Barth, and O. Benson, “Enhancement of the zero phonon line emission from a single nitrogen vacancy center in a nanodiamond via coupling to a photonic crystal cavity,” Appl. Phys. Lett.97(14), 141108 (2010).
[CrossRef]

Batalov, A.

A. Batalov, V. Jacques, F. Kaiser, P. Siyushev, P. Neumann, L. J. Rogers, R. L. McMurtrie, N. B. Manson, F. Jelezko, and J. Wrachtrup, “Low temperature studies of the excited-state structure of negatively charged nitrogen-vacancy color centers in diamond,” Phys. Rev. Lett.102(19), 195506 (2009).
[CrossRef] [PubMed]

Beausoleil, R. G.

A. Faraon, C. Santori, Z.-H. Huang, V. M. Acosta, and R. G. Beausoleil, “Coupling of nitrogen-vacancy centers to photonic crystal cavities in monocrystalline diamond,” Phys. Rev. Lett.109(3), 033604 (2012).
[CrossRef] [PubMed]

C. Santori, P. E. Barclay, K.-M. C. Fu, R. G. Beausoleil, S. Spillane, and M. Fisch, “Nanophotonics for quantum optics using nitrogen-vacancy centers in diamond,” Nanotechnology21(27), 274008 (2010).
[CrossRef] [PubMed]

K.-M. C. Fu, C. Santori, P. E. Barclay, L. J. Rogers, N. B. Manson, and R. G. Beausoleil, “Observation of the dynamic Jahn-Teller effect in the excited states of nitrogen-vacancy centers in diamond,” Phys. Rev. Lett.103(25), 256404 (2009).
[CrossRef] [PubMed]

Becher, C.

E. Neu, C. Hepp, M. Hauschild, S. Gsell, M. Fischer, H. Sternschulte, D. Steinmüller-Nethl, M. Schreck, and C. Becher, “Low temperature investigations of single silicon vacancy colour centres in diamond,” New J. Phys.15(4), 043005 (2013).
[CrossRef]

Benson, O.

T. Schröder, M. Fujiwara, T. Noda, H.-Q. Zhao, O. Benson, and S. Takeuchi, “A nanodiamond-tapered fiber system with high single-mode coupling efficiency,” Opt. Express20(10), 10490–10497 (2012).
[CrossRef] [PubMed]

T. Schröder, A. W. Schell, G. Kewes, T. Aichele, and O. Benson, “Fiber-integrated diamond-based single photon source,” Nano Lett.11(1), 198–202 (2011).
[CrossRef] [PubMed]

O. Benson, “Assembly of hybrid photonic architectures from nanophotonic constituents,” Nature480(7376), 193–199 (2011).
[CrossRef] [PubMed]

J. Wolters, A. W. Schell, G. Kewes, N. Nüsse, M. Schoengen, H. Döscher, T. Hannappel, B. Löchel, M. Barth, and O. Benson, “Enhancement of the zero phonon line emission from a single nitrogen vacancy center in a nanodiamond via coupling to a photonic crystal cavity,” Appl. Phys. Lett.97(14), 141108 (2010).
[CrossRef]

Bernien, H.

H. Bernien, L. Childress, L. Robledo, M. Markham, D. Twitchen, and R. Hanson, “Two-photon quantum interference from separate nitrogen vacancy centers in diamond,” Phys. Rev. Lett.108(4), 043604 (2012).
[CrossRef] [PubMed]

Cappellaro, P.

J. R. Maze, P. L. Stanwix, J. S. Hodges, S. Hong, J. M. Taylor, P. Cappellaro, L. Jiang, M. V. Dutt, E. Togan, A. S. Zibrov, A. Yacoby, R. L. Walsworth, and M. D. Lukin, “Nanoscale magnetic sensing with an individual electronic spin in diamond,” Nature455(7213), 644–647 (2008).
[CrossRef] [PubMed]

Childress, L.

H. Bernien, L. Childress, L. Robledo, M. Markham, D. Twitchen, and R. Hanson, “Two-photon quantum interference from separate nitrogen vacancy centers in diamond,” Phys. Rev. Lett.108(4), 043604 (2012).
[CrossRef] [PubMed]

E. Togan, Y. Chu, A. S. Trifonov, L. Jiang, J. Maze, L. Childress, M. V. G. Dutt, A. S. Sørensen, P. R. Hemmer, A. S. Zibrov, and M. D. Lukin, “Quantum entanglement between an optical photon and a solid-state spin qubit,” Nature466(7307), 730–734 (2010).
[CrossRef] [PubMed]

L. Childress, M. V. Gurudev Dutt, J. M. Taylor, A. S. Zibrov, F. Jelezko, J. Wrachtrup, P. R. Hemmer, and M. D. Lukin, “Coherent dynamics of coupled electron and nuclear spin qubits in diamond,” Science314(5797), 281–285 (2006).
[CrossRef] [PubMed]

Chu, Y.

E. Togan, Y. Chu, A. S. Trifonov, L. Jiang, J. Maze, L. Childress, M. V. G. Dutt, A. S. Sørensen, P. R. Hemmer, A. S. Zibrov, and M. D. Lukin, “Quantum entanglement between an optical photon and a solid-state spin qubit,” Nature466(7307), 730–734 (2010).
[CrossRef] [PubMed]

Cook, A. K.

Y. S. Park, A. K. Cook, and H. L. Wang, “Cavity QED with diamond nanocrystals and silica microspheres,” Nano Lett.6(9), 2075–2079 (2006).
[CrossRef] [PubMed]

Y. S. Park, A. K. Cook, and H. L. Wang, “Cavity QED with diamond nanocrystals and silica microspheres,” Nano Lett.6(9), 2075–2079 (2006).
[CrossRef] [PubMed]

Döscher, H.

J. Wolters, A. W. Schell, G. Kewes, N. Nüsse, M. Schoengen, H. Döscher, T. Hannappel, B. Löchel, M. Barth, and O. Benson, “Enhancement of the zero phonon line emission from a single nitrogen vacancy center in a nanodiamond via coupling to a photonic crystal cavity,” Appl. Phys. Lett.97(14), 141108 (2010).
[CrossRef]

Dutt, M. V.

J. R. Maze, P. L. Stanwix, J. S. Hodges, S. Hong, J. M. Taylor, P. Cappellaro, L. Jiang, M. V. Dutt, E. Togan, A. S. Zibrov, A. Yacoby, R. L. Walsworth, and M. D. Lukin, “Nanoscale magnetic sensing with an individual electronic spin in diamond,” Nature455(7213), 644–647 (2008).
[CrossRef] [PubMed]

Dutt, M. V. G.

E. Togan, Y. Chu, A. S. Trifonov, L. Jiang, J. Maze, L. Childress, M. V. G. Dutt, A. S. Sørensen, P. R. Hemmer, A. S. Zibrov, and M. D. Lukin, “Quantum entanglement between an optical photon and a solid-state spin qubit,” Nature466(7307), 730–734 (2010).
[CrossRef] [PubMed]

Faraon, A.

A. Faraon, C. Santori, Z.-H. Huang, V. M. Acosta, and R. G. Beausoleil, “Coupling of nitrogen-vacancy centers to photonic crystal cavities in monocrystalline diamond,” Phys. Rev. Lett.109(3), 033604 (2012).
[CrossRef] [PubMed]

Fattal, D.

C. Santori, D. Fattal, J. Vucković, G. S. Solomon, and Y. Yamamoto, “Indistinguishable photons from a single-photon device,” Nature419(6907), 594–597 (2002).
[CrossRef] [PubMed]

Fisch, M.

C. Santori, P. E. Barclay, K.-M. C. Fu, R. G. Beausoleil, S. Spillane, and M. Fisch, “Nanophotonics for quantum optics using nitrogen-vacancy centers in diamond,” Nanotechnology21(27), 274008 (2010).
[CrossRef] [PubMed]

Fischer, M.

E. Neu, C. Hepp, M. Hauschild, S. Gsell, M. Fischer, H. Sternschulte, D. Steinmüller-Nethl, M. Schreck, and C. Becher, “Low temperature investigations of single silicon vacancy colour centres in diamond,” New J. Phys.15(4), 043005 (2013).
[CrossRef]

Fu, K.-M. C.

C. Santori, P. E. Barclay, K.-M. C. Fu, R. G. Beausoleil, S. Spillane, and M. Fisch, “Nanophotonics for quantum optics using nitrogen-vacancy centers in diamond,” Nanotechnology21(27), 274008 (2010).
[CrossRef] [PubMed]

K.-M. C. Fu, C. Santori, P. E. Barclay, L. J. Rogers, N. B. Manson, and R. G. Beausoleil, “Observation of the dynamic Jahn-Teller effect in the excited states of nitrogen-vacancy centers in diamond,” Phys. Rev. Lett.103(25), 256404 (2009).
[CrossRef] [PubMed]

Fujiwara, M.

T. Schröder, M. Fujiwara, T. Noda, H.-Q. Zhao, O. Benson, and S. Takeuchi, “A nanodiamond-tapered fiber system with high single-mode coupling efficiency,” Opt. Express20(10), 10490–10497 (2012).
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H.-Q. Zhao, M. Fujiwara, and S. Takeuchi, “Suppression of fluorescence phonon sideband from nitrogen vacancy centers in diamond nanocrystals by substrate effect,” Opt. Express20(14), 15628–15635 (2012).
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M. Fujiwara, K. Toubaru, T. Noda, H.-Q. Zhao, and S. Takeuchi, “Highly efficient coupling of photons from nanoemitters into single-mode optical fibers,” Nano Lett.11(10), 4362–4365 (2011).
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P. Tamarat, T. Gaebel, J. R. Rabeau, M. Khan, A. D. Greentree, H. Wilson, L. C. L. Hollenberg, S. Prawer, P. Hemmer, F. Jelezko, and J. Wrachtrup, “Stark shift control of single optical centers in diamond,” Phys. Rev. Lett.97(8), 083002 (2006).
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C.-H. Su, A. D. Greentree, and L. C. L. Hollenberg, “Towards a picosecond transform-limited nitrogen-vacancy based single photon source,” Opt. Express16(9), 6240–6250 (2008).
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P. Tamarat, T. Gaebel, J. R. Rabeau, M. Khan, A. D. Greentree, H. Wilson, L. C. L. Hollenberg, S. Prawer, P. Hemmer, F. Jelezko, and J. Wrachtrup, “Stark shift control of single optical centers in diamond,” Phys. Rev. Lett.97(8), 083002 (2006).
[CrossRef] [PubMed]

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F. Jelezko, I. Popa, A. Gruber, C. Tietz, J. Wrachtrup, A. Nizovtsev, and S. Kilin, “Single spin states in a defect center resolved by optical spectroscopy,” Appl. Phys. Lett.81(12), 2160–2162 (2002).
[CrossRef]

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E. Neu, C. Hepp, M. Hauschild, S. Gsell, M. Fischer, H. Sternschulte, D. Steinmüller-Nethl, M. Schreck, and C. Becher, “Low temperature investigations of single silicon vacancy colour centres in diamond,” New J. Phys.15(4), 043005 (2013).
[CrossRef]

Gurudev Dutt, M. V.

L. Childress, M. V. Gurudev Dutt, J. M. Taylor, A. S. Zibrov, F. Jelezko, J. Wrachtrup, P. R. Hemmer, and M. D. Lukin, “Coherent dynamics of coupled electron and nuclear spin qubits in diamond,” Science314(5797), 281–285 (2006).
[CrossRef] [PubMed]

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J. Wolters, A. W. Schell, G. Kewes, N. Nüsse, M. Schoengen, H. Döscher, T. Hannappel, B. Löchel, M. Barth, and O. Benson, “Enhancement of the zero phonon line emission from a single nitrogen vacancy center in a nanodiamond via coupling to a photonic crystal cavity,” Appl. Phys. Lett.97(14), 141108 (2010).
[CrossRef]

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H. Bernien, L. Childress, L. Robledo, M. Markham, D. Twitchen, and R. Hanson, “Two-photon quantum interference from separate nitrogen vacancy centers in diamond,” Phys. Rev. Lett.108(4), 043604 (2012).
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E. Neu, C. Hepp, M. Hauschild, S. Gsell, M. Fischer, H. Sternschulte, D. Steinmüller-Nethl, M. Schreck, and C. Becher, “Low temperature investigations of single silicon vacancy colour centres in diamond,” New J. Phys.15(4), 043005 (2013).
[CrossRef]

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T. M. Babinec, B. J. M. Hausmann, M. Khan, Y. N. Zhang, J. R. Maze, P. R. Hemmer, and M. Loncar, “A diamond nanowire single-photon source,” Nat. Nanotechnol.5(3), 195–199 (2010).
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P. Tamarat, T. Gaebel, J. R. Rabeau, M. Khan, A. D. Greentree, H. Wilson, L. C. L. Hollenberg, S. Prawer, P. Hemmer, F. Jelezko, and J. Wrachtrup, “Stark shift control of single optical centers in diamond,” Phys. Rev. Lett.97(8), 083002 (2006).
[CrossRef] [PubMed]

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T. M. Babinec, B. J. M. Hausmann, M. Khan, Y. N. Zhang, J. R. Maze, P. R. Hemmer, and M. Loncar, “A diamond nanowire single-photon source,” Nat. Nanotechnol.5(3), 195–199 (2010).
[CrossRef] [PubMed]

E. Togan, Y. Chu, A. S. Trifonov, L. Jiang, J. Maze, L. Childress, M. V. G. Dutt, A. S. Sørensen, P. R. Hemmer, A. S. Zibrov, and M. D. Lukin, “Quantum entanglement between an optical photon and a solid-state spin qubit,” Nature466(7307), 730–734 (2010).
[CrossRef] [PubMed]

L. Childress, M. V. Gurudev Dutt, J. M. Taylor, A. S. Zibrov, F. Jelezko, J. Wrachtrup, P. R. Hemmer, and M. D. Lukin, “Coherent dynamics of coupled electron and nuclear spin qubits in diamond,” Science314(5797), 281–285 (2006).
[CrossRef] [PubMed]

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E. Neu, C. Hepp, M. Hauschild, S. Gsell, M. Fischer, H. Sternschulte, D. Steinmüller-Nethl, M. Schreck, and C. Becher, “Low temperature investigations of single silicon vacancy colour centres in diamond,” New J. Phys.15(4), 043005 (2013).
[CrossRef]

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J. R. Maze, P. L. Stanwix, J. S. Hodges, S. Hong, J. M. Taylor, P. Cappellaro, L. Jiang, M. V. Dutt, E. Togan, A. S. Zibrov, A. Yacoby, R. L. Walsworth, and M. D. Lukin, “Nanoscale magnetic sensing with an individual electronic spin in diamond,” Nature455(7213), 644–647 (2008).
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H. F. Hofmann, K. Kojima, S. Takeuchi, and K. Sasaki, “Entanglement and four wave mixing effects in the dissipation free nonlinear interaction of two photons at a single atom,” Phys. Rev. A68(4), 043813 (2003).
[CrossRef]

K. Kojima, H. F. Hofmann, S. Takeuchi, and K. Sasaki, “Nonlinear interaction of two photons at a one-dimensional atom: spatiotemporal quantum coherence in the emitted field,” Phys. Rev. A68(1), 013803 (2003).
[CrossRef]

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C.-H. Su, A. D. Greentree, and L. C. L. Hollenberg, “Towards a picosecond transform-limited nitrogen-vacancy based single photon source,” Opt. Express16(9), 6240–6250 (2008).
[CrossRef] [PubMed]

P. Tamarat, T. Gaebel, J. R. Rabeau, M. Khan, A. D. Greentree, H. Wilson, L. C. L. Hollenberg, S. Prawer, P. Hemmer, F. Jelezko, and J. Wrachtrup, “Stark shift control of single optical centers in diamond,” Phys. Rev. Lett.97(8), 083002 (2006).
[CrossRef] [PubMed]

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J. R. Maze, P. L. Stanwix, J. S. Hodges, S. Hong, J. M. Taylor, P. Cappellaro, L. Jiang, M. V. Dutt, E. Togan, A. S. Zibrov, A. Yacoby, R. L. Walsworth, and M. D. Lukin, “Nanoscale magnetic sensing with an individual electronic spin in diamond,” Nature455(7213), 644–647 (2008).
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A. Faraon, C. Santori, Z.-H. Huang, V. M. Acosta, and R. G. Beausoleil, “Coupling of nitrogen-vacancy centers to photonic crystal cavities in monocrystalline diamond,” Phys. Rev. Lett.109(3), 033604 (2012).
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A. Batalov, V. Jacques, F. Kaiser, P. Siyushev, P. Neumann, L. J. Rogers, R. L. McMurtrie, N. B. Manson, F. Jelezko, and J. Wrachtrup, “Low temperature studies of the excited-state structure of negatively charged nitrogen-vacancy color centers in diamond,” Phys. Rev. Lett.102(19), 195506 (2009).
[CrossRef] [PubMed]

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T. D. Ladd, F. Jelezko, R. Laflamme, Y. Nakamura, C. Monroe, and J. L. O’Brien, “Quantum computers,” Nature464(7285), 45–53 (2010).
[CrossRef] [PubMed]

A. Batalov, V. Jacques, F. Kaiser, P. Siyushev, P. Neumann, L. J. Rogers, R. L. McMurtrie, N. B. Manson, F. Jelezko, and J. Wrachtrup, “Low temperature studies of the excited-state structure of negatively charged nitrogen-vacancy color centers in diamond,” Phys. Rev. Lett.102(19), 195506 (2009).
[CrossRef] [PubMed]

P. Tamarat, T. Gaebel, J. R. Rabeau, M. Khan, A. D. Greentree, H. Wilson, L. C. L. Hollenberg, S. Prawer, P. Hemmer, F. Jelezko, and J. Wrachtrup, “Stark shift control of single optical centers in diamond,” Phys. Rev. Lett.97(8), 083002 (2006).
[CrossRef] [PubMed]

L. Childress, M. V. Gurudev Dutt, J. M. Taylor, A. S. Zibrov, F. Jelezko, J. Wrachtrup, P. R. Hemmer, and M. D. Lukin, “Coherent dynamics of coupled electron and nuclear spin qubits in diamond,” Science314(5797), 281–285 (2006).
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F. Jelezko and J. Wrachtrup, “Single defect centers in diamond: A review,” Phys. Status Solidi A203(13), 3207–3225 (2006).
[CrossRef]

F. Jelezko, I. Popa, A. Gruber, C. Tietz, J. Wrachtrup, A. Nizovtsev, and S. Kilin, “Single spin states in a defect center resolved by optical spectroscopy,” Appl. Phys. Lett.81(12), 2160–2162 (2002).
[CrossRef]

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E. Togan, Y. Chu, A. S. Trifonov, L. Jiang, J. Maze, L. Childress, M. V. G. Dutt, A. S. Sørensen, P. R. Hemmer, A. S. Zibrov, and M. D. Lukin, “Quantum entanglement between an optical photon and a solid-state spin qubit,” Nature466(7307), 730–734 (2010).
[CrossRef] [PubMed]

J. R. Maze, P. L. Stanwix, J. S. Hodges, S. Hong, J. M. Taylor, P. Cappellaro, L. Jiang, M. V. Dutt, E. Togan, A. S. Zibrov, A. Yacoby, R. L. Walsworth, and M. D. Lukin, “Nanoscale magnetic sensing with an individual electronic spin in diamond,” Nature455(7213), 644–647 (2008).
[CrossRef] [PubMed]

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A. Batalov, V. Jacques, F. Kaiser, P. Siyushev, P. Neumann, L. J. Rogers, R. L. McMurtrie, N. B. Manson, F. Jelezko, and J. Wrachtrup, “Low temperature studies of the excited-state structure of negatively charged nitrogen-vacancy color centers in diamond,” Phys. Rev. Lett.102(19), 195506 (2009).
[CrossRef] [PubMed]

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T. Schröder, A. W. Schell, G. Kewes, T. Aichele, and O. Benson, “Fiber-integrated diamond-based single photon source,” Nano Lett.11(1), 198–202 (2011).
[CrossRef] [PubMed]

J. Wolters, A. W. Schell, G. Kewes, N. Nüsse, M. Schoengen, H. Döscher, T. Hannappel, B. Löchel, M. Barth, and O. Benson, “Enhancement of the zero phonon line emission from a single nitrogen vacancy center in a nanodiamond via coupling to a photonic crystal cavity,” Appl. Phys. Lett.97(14), 141108 (2010).
[CrossRef]

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T. M. Babinec, B. J. M. Hausmann, M. Khan, Y. N. Zhang, J. R. Maze, P. R. Hemmer, and M. Loncar, “A diamond nanowire single-photon source,” Nat. Nanotechnol.5(3), 195–199 (2010).
[CrossRef] [PubMed]

P. Tamarat, T. Gaebel, J. R. Rabeau, M. Khan, A. D. Greentree, H. Wilson, L. C. L. Hollenberg, S. Prawer, P. Hemmer, F. Jelezko, and J. Wrachtrup, “Stark shift control of single optical centers in diamond,” Phys. Rev. Lett.97(8), 083002 (2006).
[CrossRef] [PubMed]

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F. Jelezko, I. Popa, A. Gruber, C. Tietz, J. Wrachtrup, A. Nizovtsev, and S. Kilin, “Single spin states in a defect center resolved by optical spectroscopy,” Appl. Phys. Lett.81(12), 2160–2162 (2002).
[CrossRef]

Kojima, K.

H. F. Hofmann, K. Kojima, S. Takeuchi, and K. Sasaki, “Entanglement and four wave mixing effects in the dissipation free nonlinear interaction of two photons at a single atom,” Phys. Rev. A68(4), 043813 (2003).
[CrossRef]

K. Kojima, H. F. Hofmann, S. Takeuchi, and K. Sasaki, “Nonlinear interaction of two photons at a one-dimensional atom: spatiotemporal quantum coherence in the emitted field,” Phys. Rev. A68(1), 013803 (2003).
[CrossRef]

Ladd, T. D.

T. D. Ladd, F. Jelezko, R. Laflamme, Y. Nakamura, C. Monroe, and J. L. O’Brien, “Quantum computers,” Nature464(7285), 45–53 (2010).
[CrossRef] [PubMed]

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T. D. Ladd, F. Jelezko, R. Laflamme, Y. Nakamura, C. Monroe, and J. L. O’Brien, “Quantum computers,” Nature464(7285), 45–53 (2010).
[CrossRef] [PubMed]

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J. Wolters, A. W. Schell, G. Kewes, N. Nüsse, M. Schoengen, H. Döscher, T. Hannappel, B. Löchel, M. Barth, and O. Benson, “Enhancement of the zero phonon line emission from a single nitrogen vacancy center in a nanodiamond via coupling to a photonic crystal cavity,” Appl. Phys. Lett.97(14), 141108 (2010).
[CrossRef]

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T. M. Babinec, B. J. M. Hausmann, M. Khan, Y. N. Zhang, J. R. Maze, P. R. Hemmer, and M. Loncar, “A diamond nanowire single-photon source,” Nat. Nanotechnol.5(3), 195–199 (2010).
[CrossRef] [PubMed]

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E. Togan, Y. Chu, A. S. Trifonov, L. Jiang, J. Maze, L. Childress, M. V. G. Dutt, A. S. Sørensen, P. R. Hemmer, A. S. Zibrov, and M. D. Lukin, “Quantum entanglement between an optical photon and a solid-state spin qubit,” Nature466(7307), 730–734 (2010).
[CrossRef] [PubMed]

J. R. Maze, P. L. Stanwix, J. S. Hodges, S. Hong, J. M. Taylor, P. Cappellaro, L. Jiang, M. V. Dutt, E. Togan, A. S. Zibrov, A. Yacoby, R. L. Walsworth, and M. D. Lukin, “Nanoscale magnetic sensing with an individual electronic spin in diamond,” Nature455(7213), 644–647 (2008).
[CrossRef] [PubMed]

L. Childress, M. V. Gurudev Dutt, J. M. Taylor, A. S. Zibrov, F. Jelezko, J. Wrachtrup, P. R. Hemmer, and M. D. Lukin, “Coherent dynamics of coupled electron and nuclear spin qubits in diamond,” Science314(5797), 281–285 (2006).
[CrossRef] [PubMed]

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A. Batalov, V. Jacques, F. Kaiser, P. Siyushev, P. Neumann, L. J. Rogers, R. L. McMurtrie, N. B. Manson, F. Jelezko, and J. Wrachtrup, “Low temperature studies of the excited-state structure of negatively charged nitrogen-vacancy color centers in diamond,” Phys. Rev. Lett.102(19), 195506 (2009).
[CrossRef] [PubMed]

K.-M. C. Fu, C. Santori, P. E. Barclay, L. J. Rogers, N. B. Manson, and R. G. Beausoleil, “Observation of the dynamic Jahn-Teller effect in the excited states of nitrogen-vacancy centers in diamond,” Phys. Rev. Lett.103(25), 256404 (2009).
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Markham, M.

H. Bernien, L. Childress, L. Robledo, M. Markham, D. Twitchen, and R. Hanson, “Two-photon quantum interference from separate nitrogen vacancy centers in diamond,” Phys. Rev. Lett.108(4), 043604 (2012).
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Maze, J.

E. Togan, Y. Chu, A. S. Trifonov, L. Jiang, J. Maze, L. Childress, M. V. G. Dutt, A. S. Sørensen, P. R. Hemmer, A. S. Zibrov, and M. D. Lukin, “Quantum entanglement between an optical photon and a solid-state spin qubit,” Nature466(7307), 730–734 (2010).
[CrossRef] [PubMed]

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T. M. Babinec, B. J. M. Hausmann, M. Khan, Y. N. Zhang, J. R. Maze, P. R. Hemmer, and M. Loncar, “A diamond nanowire single-photon source,” Nat. Nanotechnol.5(3), 195–199 (2010).
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J. R. Maze, P. L. Stanwix, J. S. Hodges, S. Hong, J. M. Taylor, P. Cappellaro, L. Jiang, M. V. Dutt, E. Togan, A. S. Zibrov, A. Yacoby, R. L. Walsworth, and M. D. Lukin, “Nanoscale magnetic sensing with an individual electronic spin in diamond,” Nature455(7213), 644–647 (2008).
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A. Batalov, V. Jacques, F. Kaiser, P. Siyushev, P. Neumann, L. J. Rogers, R. L. McMurtrie, N. B. Manson, F. Jelezko, and J. Wrachtrup, “Low temperature studies of the excited-state structure of negatively charged nitrogen-vacancy color centers in diamond,” Phys. Rev. Lett.102(19), 195506 (2009).
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T. D. Ladd, F. Jelezko, R. Laflamme, Y. Nakamura, C. Monroe, and J. L. O’Brien, “Quantum computers,” Nature464(7285), 45–53 (2010).
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T. Nagata, R. Okamoto, J. L. O’brien, K. Sasaki, and S. Takeuchi, “Beating the standard quantum limit with four-entangled photons,” Science316(5825), 726–729 (2007).
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T. D. Ladd, F. Jelezko, R. Laflamme, Y. Nakamura, C. Monroe, and J. L. O’Brien, “Quantum computers,” Nature464(7285), 45–53 (2010).
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E. Neu, C. Hepp, M. Hauschild, S. Gsell, M. Fischer, H. Sternschulte, D. Steinmüller-Nethl, M. Schreck, and C. Becher, “Low temperature investigations of single silicon vacancy colour centres in diamond,” New J. Phys.15(4), 043005 (2013).
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A. Batalov, V. Jacques, F. Kaiser, P. Siyushev, P. Neumann, L. J. Rogers, R. L. McMurtrie, N. B. Manson, F. Jelezko, and J. Wrachtrup, “Low temperature studies of the excited-state structure of negatively charged nitrogen-vacancy color centers in diamond,” Phys. Rev. Lett.102(19), 195506 (2009).
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F. Jelezko, I. Popa, A. Gruber, C. Tietz, J. Wrachtrup, A. Nizovtsev, and S. Kilin, “Single spin states in a defect center resolved by optical spectroscopy,” Appl. Phys. Lett.81(12), 2160–2162 (2002).
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T. Schröder, M. Fujiwara, T. Noda, H.-Q. Zhao, O. Benson, and S. Takeuchi, “A nanodiamond-tapered fiber system with high single-mode coupling efficiency,” Opt. Express20(10), 10490–10497 (2012).
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M. Fujiwara, K. Toubaru, T. Noda, H.-Q. Zhao, and S. Takeuchi, “Highly efficient coupling of photons from nanoemitters into single-mode optical fibers,” Nano Lett.11(10), 4362–4365 (2011).
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J. Wolters, A. W. Schell, G. Kewes, N. Nüsse, M. Schoengen, H. Döscher, T. Hannappel, B. Löchel, M. Barth, and O. Benson, “Enhancement of the zero phonon line emission from a single nitrogen vacancy center in a nanodiamond via coupling to a photonic crystal cavity,” Appl. Phys. Lett.97(14), 141108 (2010).
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T. D. Ladd, F. Jelezko, R. Laflamme, Y. Nakamura, C. Monroe, and J. L. O’Brien, “Quantum computers,” Nature464(7285), 45–53 (2010).
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T. Nagata, R. Okamoto, J. L. O’brien, K. Sasaki, and S. Takeuchi, “Beating the standard quantum limit with four-entangled photons,” Science316(5825), 726–729 (2007).
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J. L. O’Brien, “Optical quantum computing,” Science318(5856), 1567–1570 (2007).
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T. Nagata, R. Okamoto, J. L. O’brien, K. Sasaki, and S. Takeuchi, “Beating the standard quantum limit with four-entangled photons,” Science316(5825), 726–729 (2007).
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Y. S. Park, A. K. Cook, and H. L. Wang, “Cavity QED with diamond nanocrystals and silica microspheres,” Nano Lett.6(9), 2075–2079 (2006).
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F. Jelezko, I. Popa, A. Gruber, C. Tietz, J. Wrachtrup, A. Nizovtsev, and S. Kilin, “Single spin states in a defect center resolved by optical spectroscopy,” Appl. Phys. Lett.81(12), 2160–2162 (2002).
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P. Tamarat, T. Gaebel, J. R. Rabeau, M. Khan, A. D. Greentree, H. Wilson, L. C. L. Hollenberg, S. Prawer, P. Hemmer, F. Jelezko, and J. Wrachtrup, “Stark shift control of single optical centers in diamond,” Phys. Rev. Lett.97(8), 083002 (2006).
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P. Tamarat, T. Gaebel, J. R. Rabeau, M. Khan, A. D. Greentree, H. Wilson, L. C. L. Hollenberg, S. Prawer, P. Hemmer, F. Jelezko, and J. Wrachtrup, “Stark shift control of single optical centers in diamond,” Phys. Rev. Lett.97(8), 083002 (2006).
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H. Bernien, L. Childress, L. Robledo, M. Markham, D. Twitchen, and R. Hanson, “Two-photon quantum interference from separate nitrogen vacancy centers in diamond,” Phys. Rev. Lett.108(4), 043604 (2012).
[CrossRef] [PubMed]

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A. Batalov, V. Jacques, F. Kaiser, P. Siyushev, P. Neumann, L. J. Rogers, R. L. McMurtrie, N. B. Manson, F. Jelezko, and J. Wrachtrup, “Low temperature studies of the excited-state structure of negatively charged nitrogen-vacancy color centers in diamond,” Phys. Rev. Lett.102(19), 195506 (2009).
[CrossRef] [PubMed]

K.-M. C. Fu, C. Santori, P. E. Barclay, L. J. Rogers, N. B. Manson, and R. G. Beausoleil, “Observation of the dynamic Jahn-Teller effect in the excited states of nitrogen-vacancy centers in diamond,” Phys. Rev. Lett.103(25), 256404 (2009).
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A. Faraon, C. Santori, Z.-H. Huang, V. M. Acosta, and R. G. Beausoleil, “Coupling of nitrogen-vacancy centers to photonic crystal cavities in monocrystalline diamond,” Phys. Rev. Lett.109(3), 033604 (2012).
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C. Santori, P. E. Barclay, K.-M. C. Fu, R. G. Beausoleil, S. Spillane, and M. Fisch, “Nanophotonics for quantum optics using nitrogen-vacancy centers in diamond,” Nanotechnology21(27), 274008 (2010).
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K.-M. C. Fu, C. Santori, P. E. Barclay, L. J. Rogers, N. B. Manson, and R. G. Beausoleil, “Observation of the dynamic Jahn-Teller effect in the excited states of nitrogen-vacancy centers in diamond,” Phys. Rev. Lett.103(25), 256404 (2009).
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T. Nagata, R. Okamoto, J. L. O’brien, K. Sasaki, and S. Takeuchi, “Beating the standard quantum limit with four-entangled photons,” Science316(5825), 726–729 (2007).
[CrossRef] [PubMed]

K. Kojima, H. F. Hofmann, S. Takeuchi, and K. Sasaki, “Nonlinear interaction of two photons at a one-dimensional atom: spatiotemporal quantum coherence in the emitted field,” Phys. Rev. A68(1), 013803 (2003).
[CrossRef]

H. F. Hofmann, K. Kojima, S. Takeuchi, and K. Sasaki, “Entanglement and four wave mixing effects in the dissipation free nonlinear interaction of two photons at a single atom,” Phys. Rev. A68(4), 043813 (2003).
[CrossRef]

Schell, A. W.

T. Schröder, A. W. Schell, G. Kewes, T. Aichele, and O. Benson, “Fiber-integrated diamond-based single photon source,” Nano Lett.11(1), 198–202 (2011).
[CrossRef] [PubMed]

J. Wolters, A. W. Schell, G. Kewes, N. Nüsse, M. Schoengen, H. Döscher, T. Hannappel, B. Löchel, M. Barth, and O. Benson, “Enhancement of the zero phonon line emission from a single nitrogen vacancy center in a nanodiamond via coupling to a photonic crystal cavity,” Appl. Phys. Lett.97(14), 141108 (2010).
[CrossRef]

Schoengen, M.

J. Wolters, A. W. Schell, G. Kewes, N. Nüsse, M. Schoengen, H. Döscher, T. Hannappel, B. Löchel, M. Barth, and O. Benson, “Enhancement of the zero phonon line emission from a single nitrogen vacancy center in a nanodiamond via coupling to a photonic crystal cavity,” Appl. Phys. Lett.97(14), 141108 (2010).
[CrossRef]

Schreck, M.

E. Neu, C. Hepp, M. Hauschild, S. Gsell, M. Fischer, H. Sternschulte, D. Steinmüller-Nethl, M. Schreck, and C. Becher, “Low temperature investigations of single silicon vacancy colour centres in diamond,” New J. Phys.15(4), 043005 (2013).
[CrossRef]

Schröder, T.

T. Schröder, M. Fujiwara, T. Noda, H.-Q. Zhao, O. Benson, and S. Takeuchi, “A nanodiamond-tapered fiber system with high single-mode coupling efficiency,” Opt. Express20(10), 10490–10497 (2012).
[CrossRef] [PubMed]

T. Schröder, A. W. Schell, G. Kewes, T. Aichele, and O. Benson, “Fiber-integrated diamond-based single photon source,” Nano Lett.11(1), 198–202 (2011).
[CrossRef] [PubMed]

Shen, Y. M.

Y. M. Shen, T. M. Sweeney, and H. L. Wang, “Zero-phonon linewidth of single nitrogen vacancy centers in diamond nanocrystals,” Phys. Rev. B77(3), 033201 (2008).
[CrossRef]

Siyushev, P.

A. Batalov, V. Jacques, F. Kaiser, P. Siyushev, P. Neumann, L. J. Rogers, R. L. McMurtrie, N. B. Manson, F. Jelezko, and J. Wrachtrup, “Low temperature studies of the excited-state structure of negatively charged nitrogen-vacancy color centers in diamond,” Phys. Rev. Lett.102(19), 195506 (2009).
[CrossRef] [PubMed]

Solomon, G. S.

C. Santori, D. Fattal, J. Vucković, G. S. Solomon, and Y. Yamamoto, “Indistinguishable photons from a single-photon device,” Nature419(6907), 594–597 (2002).
[CrossRef] [PubMed]

Sørensen, A. S.

E. Togan, Y. Chu, A. S. Trifonov, L. Jiang, J. Maze, L. Childress, M. V. G. Dutt, A. S. Sørensen, P. R. Hemmer, A. S. Zibrov, and M. D. Lukin, “Quantum entanglement between an optical photon and a solid-state spin qubit,” Nature466(7307), 730–734 (2010).
[CrossRef] [PubMed]

Spillane, S.

C. Santori, P. E. Barclay, K.-M. C. Fu, R. G. Beausoleil, S. Spillane, and M. Fisch, “Nanophotonics for quantum optics using nitrogen-vacancy centers in diamond,” Nanotechnology21(27), 274008 (2010).
[CrossRef] [PubMed]

Stanwix, P. L.

J. R. Maze, P. L. Stanwix, J. S. Hodges, S. Hong, J. M. Taylor, P. Cappellaro, L. Jiang, M. V. Dutt, E. Togan, A. S. Zibrov, A. Yacoby, R. L. Walsworth, and M. D. Lukin, “Nanoscale magnetic sensing with an individual electronic spin in diamond,” Nature455(7213), 644–647 (2008).
[CrossRef] [PubMed]

Steinmüller-Nethl, D.

E. Neu, C. Hepp, M. Hauschild, S. Gsell, M. Fischer, H. Sternschulte, D. Steinmüller-Nethl, M. Schreck, and C. Becher, “Low temperature investigations of single silicon vacancy colour centres in diamond,” New J. Phys.15(4), 043005 (2013).
[CrossRef]

Sternschulte, H.

E. Neu, C. Hepp, M. Hauschild, S. Gsell, M. Fischer, H. Sternschulte, D. Steinmüller-Nethl, M. Schreck, and C. Becher, “Low temperature investigations of single silicon vacancy colour centres in diamond,” New J. Phys.15(4), 043005 (2013).
[CrossRef]

Su, C.-H.

Sweeney, T. M.

Y. M. Shen, T. M. Sweeney, and H. L. Wang, “Zero-phonon linewidth of single nitrogen vacancy centers in diamond nanocrystals,” Phys. Rev. B77(3), 033201 (2008).
[CrossRef]

Takeuchi, S.

T. Schröder, M. Fujiwara, T. Noda, H.-Q. Zhao, O. Benson, and S. Takeuchi, “A nanodiamond-tapered fiber system with high single-mode coupling efficiency,” Opt. Express20(10), 10490–10497 (2012).
[CrossRef] [PubMed]

H.-Q. Zhao, M. Fujiwara, and S. Takeuchi, “Effect of substrates on the temperature dependence of fluorescence spectra of nitrogen vacancy centers in diamond nanocrystals,” Jpn. J. Appl. Phys.51, 090110 (2012).
[CrossRef]

H.-Q. Zhao, M. Fujiwara, and S. Takeuchi, “Suppression of fluorescence phonon sideband from nitrogen vacancy centers in diamond nanocrystals by substrate effect,” Opt. Express20(14), 15628–15635 (2012).
[CrossRef] [PubMed]

M. Fujiwara, K. Toubaru, T. Noda, H.-Q. Zhao, and S. Takeuchi, “Highly efficient coupling of photons from nanoemitters into single-mode optical fibers,” Nano Lett.11(10), 4362–4365 (2011).
[CrossRef] [PubMed]

T. Nagata, R. Okamoto, J. L. O’brien, K. Sasaki, and S. Takeuchi, “Beating the standard quantum limit with four-entangled photons,” Science316(5825), 726–729 (2007).
[CrossRef] [PubMed]

K. Kojima, H. F. Hofmann, S. Takeuchi, and K. Sasaki, “Nonlinear interaction of two photons at a one-dimensional atom: spatiotemporal quantum coherence in the emitted field,” Phys. Rev. A68(1), 013803 (2003).
[CrossRef]

H. F. Hofmann, K. Kojima, S. Takeuchi, and K. Sasaki, “Entanglement and four wave mixing effects in the dissipation free nonlinear interaction of two photons at a single atom,” Phys. Rev. A68(4), 043813 (2003).
[CrossRef]

Tamarat, P.

P. Tamarat, T. Gaebel, J. R. Rabeau, M. Khan, A. D. Greentree, H. Wilson, L. C. L. Hollenberg, S. Prawer, P. Hemmer, F. Jelezko, and J. Wrachtrup, “Stark shift control of single optical centers in diamond,” Phys. Rev. Lett.97(8), 083002 (2006).
[CrossRef] [PubMed]

Taylor, J. M.

J. R. Maze, P. L. Stanwix, J. S. Hodges, S. Hong, J. M. Taylor, P. Cappellaro, L. Jiang, M. V. Dutt, E. Togan, A. S. Zibrov, A. Yacoby, R. L. Walsworth, and M. D. Lukin, “Nanoscale magnetic sensing with an individual electronic spin in diamond,” Nature455(7213), 644–647 (2008).
[CrossRef] [PubMed]

L. Childress, M. V. Gurudev Dutt, J. M. Taylor, A. S. Zibrov, F. Jelezko, J. Wrachtrup, P. R. Hemmer, and M. D. Lukin, “Coherent dynamics of coupled electron and nuclear spin qubits in diamond,” Science314(5797), 281–285 (2006).
[CrossRef] [PubMed]

Tietz, C.

F. Jelezko, I. Popa, A. Gruber, C. Tietz, J. Wrachtrup, A. Nizovtsev, and S. Kilin, “Single spin states in a defect center resolved by optical spectroscopy,” Appl. Phys. Lett.81(12), 2160–2162 (2002).
[CrossRef]

Togan, E.

E. Togan, Y. Chu, A. S. Trifonov, L. Jiang, J. Maze, L. Childress, M. V. G. Dutt, A. S. Sørensen, P. R. Hemmer, A. S. Zibrov, and M. D. Lukin, “Quantum entanglement between an optical photon and a solid-state spin qubit,” Nature466(7307), 730–734 (2010).
[CrossRef] [PubMed]

J. R. Maze, P. L. Stanwix, J. S. Hodges, S. Hong, J. M. Taylor, P. Cappellaro, L. Jiang, M. V. Dutt, E. Togan, A. S. Zibrov, A. Yacoby, R. L. Walsworth, and M. D. Lukin, “Nanoscale magnetic sensing with an individual electronic spin in diamond,” Nature455(7213), 644–647 (2008).
[CrossRef] [PubMed]

Toubaru, K.

M. Fujiwara, K. Toubaru, T. Noda, H.-Q. Zhao, and S. Takeuchi, “Highly efficient coupling of photons from nanoemitters into single-mode optical fibers,” Nano Lett.11(10), 4362–4365 (2011).
[CrossRef] [PubMed]

Trifonov, A. S.

E. Togan, Y. Chu, A. S. Trifonov, L. Jiang, J. Maze, L. Childress, M. V. G. Dutt, A. S. Sørensen, P. R. Hemmer, A. S. Zibrov, and M. D. Lukin, “Quantum entanglement between an optical photon and a solid-state spin qubit,” Nature466(7307), 730–734 (2010).
[CrossRef] [PubMed]

Twitchen, D.

H. Bernien, L. Childress, L. Robledo, M. Markham, D. Twitchen, and R. Hanson, “Two-photon quantum interference from separate nitrogen vacancy centers in diamond,” Phys. Rev. Lett.108(4), 043604 (2012).
[CrossRef] [PubMed]

Vuckovic, J.

C. Santori, D. Fattal, J. Vucković, G. S. Solomon, and Y. Yamamoto, “Indistinguishable photons from a single-photon device,” Nature419(6907), 594–597 (2002).
[CrossRef] [PubMed]

Walsworth, R. L.

J. R. Maze, P. L. Stanwix, J. S. Hodges, S. Hong, J. M. Taylor, P. Cappellaro, L. Jiang, M. V. Dutt, E. Togan, A. S. Zibrov, A. Yacoby, R. L. Walsworth, and M. D. Lukin, “Nanoscale magnetic sensing with an individual electronic spin in diamond,” Nature455(7213), 644–647 (2008).
[CrossRef] [PubMed]

Wang, H. L.

Y. M. Shen, T. M. Sweeney, and H. L. Wang, “Zero-phonon linewidth of single nitrogen vacancy centers in diamond nanocrystals,” Phys. Rev. B77(3), 033201 (2008).
[CrossRef]

Y. S. Park, A. K. Cook, and H. L. Wang, “Cavity QED with diamond nanocrystals and silica microspheres,” Nano Lett.6(9), 2075–2079 (2006).
[CrossRef] [PubMed]

Y. S. Park, A. K. Cook, and H. L. Wang, “Cavity QED with diamond nanocrystals and silica microspheres,” Nano Lett.6(9), 2075–2079 (2006).
[CrossRef] [PubMed]

Wilson, H.

P. Tamarat, T. Gaebel, J. R. Rabeau, M. Khan, A. D. Greentree, H. Wilson, L. C. L. Hollenberg, S. Prawer, P. Hemmer, F. Jelezko, and J. Wrachtrup, “Stark shift control of single optical centers in diamond,” Phys. Rev. Lett.97(8), 083002 (2006).
[CrossRef] [PubMed]

Wolters, J.

J. Wolters, A. W. Schell, G. Kewes, N. Nüsse, M. Schoengen, H. Döscher, T. Hannappel, B. Löchel, M. Barth, and O. Benson, “Enhancement of the zero phonon line emission from a single nitrogen vacancy center in a nanodiamond via coupling to a photonic crystal cavity,” Appl. Phys. Lett.97(14), 141108 (2010).
[CrossRef]

Wrachtrup, J.

A. Batalov, V. Jacques, F. Kaiser, P. Siyushev, P. Neumann, L. J. Rogers, R. L. McMurtrie, N. B. Manson, F. Jelezko, and J. Wrachtrup, “Low temperature studies of the excited-state structure of negatively charged nitrogen-vacancy color centers in diamond,” Phys. Rev. Lett.102(19), 195506 (2009).
[CrossRef] [PubMed]

P. Tamarat, T. Gaebel, J. R. Rabeau, M. Khan, A. D. Greentree, H. Wilson, L. C. L. Hollenberg, S. Prawer, P. Hemmer, F. Jelezko, and J. Wrachtrup, “Stark shift control of single optical centers in diamond,” Phys. Rev. Lett.97(8), 083002 (2006).
[CrossRef] [PubMed]

F. Jelezko and J. Wrachtrup, “Single defect centers in diamond: A review,” Phys. Status Solidi A203(13), 3207–3225 (2006).
[CrossRef]

L. Childress, M. V. Gurudev Dutt, J. M. Taylor, A. S. Zibrov, F. Jelezko, J. Wrachtrup, P. R. Hemmer, and M. D. Lukin, “Coherent dynamics of coupled electron and nuclear spin qubits in diamond,” Science314(5797), 281–285 (2006).
[CrossRef] [PubMed]

F. Jelezko, I. Popa, A. Gruber, C. Tietz, J. Wrachtrup, A. Nizovtsev, and S. Kilin, “Single spin states in a defect center resolved by optical spectroscopy,” Appl. Phys. Lett.81(12), 2160–2162 (2002).
[CrossRef]

Yacoby, A.

J. R. Maze, P. L. Stanwix, J. S. Hodges, S. Hong, J. M. Taylor, P. Cappellaro, L. Jiang, M. V. Dutt, E. Togan, A. S. Zibrov, A. Yacoby, R. L. Walsworth, and M. D. Lukin, “Nanoscale magnetic sensing with an individual electronic spin in diamond,” Nature455(7213), 644–647 (2008).
[CrossRef] [PubMed]

Yamamoto, Y.

C. Santori, D. Fattal, J. Vucković, G. S. Solomon, and Y. Yamamoto, “Indistinguishable photons from a single-photon device,” Nature419(6907), 594–597 (2002).
[CrossRef] [PubMed]

Zhang, Y. N.

T. M. Babinec, B. J. M. Hausmann, M. Khan, Y. N. Zhang, J. R. Maze, P. R. Hemmer, and M. Loncar, “A diamond nanowire single-photon source,” Nat. Nanotechnol.5(3), 195–199 (2010).
[CrossRef] [PubMed]

Zhao, H.-Q.

T. Schröder, M. Fujiwara, T. Noda, H.-Q. Zhao, O. Benson, and S. Takeuchi, “A nanodiamond-tapered fiber system with high single-mode coupling efficiency,” Opt. Express20(10), 10490–10497 (2012).
[CrossRef] [PubMed]

H.-Q. Zhao, M. Fujiwara, and S. Takeuchi, “Suppression of fluorescence phonon sideband from nitrogen vacancy centers in diamond nanocrystals by substrate effect,” Opt. Express20(14), 15628–15635 (2012).
[CrossRef] [PubMed]

H.-Q. Zhao, M. Fujiwara, and S. Takeuchi, “Effect of substrates on the temperature dependence of fluorescence spectra of nitrogen vacancy centers in diamond nanocrystals,” Jpn. J. Appl. Phys.51, 090110 (2012).
[CrossRef]

M. Fujiwara, K. Toubaru, T. Noda, H.-Q. Zhao, and S. Takeuchi, “Highly efficient coupling of photons from nanoemitters into single-mode optical fibers,” Nano Lett.11(10), 4362–4365 (2011).
[CrossRef] [PubMed]

Zibrov, A. S.

E. Togan, Y. Chu, A. S. Trifonov, L. Jiang, J. Maze, L. Childress, M. V. G. Dutt, A. S. Sørensen, P. R. Hemmer, A. S. Zibrov, and M. D. Lukin, “Quantum entanglement between an optical photon and a solid-state spin qubit,” Nature466(7307), 730–734 (2010).
[CrossRef] [PubMed]

J. R. Maze, P. L. Stanwix, J. S. Hodges, S. Hong, J. M. Taylor, P. Cappellaro, L. Jiang, M. V. Dutt, E. Togan, A. S. Zibrov, A. Yacoby, R. L. Walsworth, and M. D. Lukin, “Nanoscale magnetic sensing with an individual electronic spin in diamond,” Nature455(7213), 644–647 (2008).
[CrossRef] [PubMed]

L. Childress, M. V. Gurudev Dutt, J. M. Taylor, A. S. Zibrov, F. Jelezko, J. Wrachtrup, P. R. Hemmer, and M. D. Lukin, “Coherent dynamics of coupled electron and nuclear spin qubits in diamond,” Science314(5797), 281–285 (2006).
[CrossRef] [PubMed]

Appl. Phys. Lett. (2)

J. Wolters, A. W. Schell, G. Kewes, N. Nüsse, M. Schoengen, H. Döscher, T. Hannappel, B. Löchel, M. Barth, and O. Benson, “Enhancement of the zero phonon line emission from a single nitrogen vacancy center in a nanodiamond via coupling to a photonic crystal cavity,” Appl. Phys. Lett.97(14), 141108 (2010).
[CrossRef]

F. Jelezko, I. Popa, A. Gruber, C. Tietz, J. Wrachtrup, A. Nizovtsev, and S. Kilin, “Single spin states in a defect center resolved by optical spectroscopy,” Appl. Phys. Lett.81(12), 2160–2162 (2002).
[CrossRef]

Jpn. J. Appl. Phys. (1)

H.-Q. Zhao, M. Fujiwara, and S. Takeuchi, “Effect of substrates on the temperature dependence of fluorescence spectra of nitrogen vacancy centers in diamond nanocrystals,” Jpn. J. Appl. Phys.51, 090110 (2012).
[CrossRef]

Nano Lett. (4)

M. Fujiwara, K. Toubaru, T. Noda, H.-Q. Zhao, and S. Takeuchi, “Highly efficient coupling of photons from nanoemitters into single-mode optical fibers,” Nano Lett.11(10), 4362–4365 (2011).
[CrossRef] [PubMed]

T. Schröder, A. W. Schell, G. Kewes, T. Aichele, and O. Benson, “Fiber-integrated diamond-based single photon source,” Nano Lett.11(1), 198–202 (2011).
[CrossRef] [PubMed]

Y. S. Park, A. K. Cook, and H. L. Wang, “Cavity QED with diamond nanocrystals and silica microspheres,” Nano Lett.6(9), 2075–2079 (2006).
[CrossRef] [PubMed]

Y. S. Park, A. K. Cook, and H. L. Wang, “Cavity QED with diamond nanocrystals and silica microspheres,” Nano Lett.6(9), 2075–2079 (2006).
[CrossRef] [PubMed]

Nanotechnology (1)

C. Santori, P. E. Barclay, K.-M. C. Fu, R. G. Beausoleil, S. Spillane, and M. Fisch, “Nanophotonics for quantum optics using nitrogen-vacancy centers in diamond,” Nanotechnology21(27), 274008 (2010).
[CrossRef] [PubMed]

Nat. Nanotechnol. (1)

T. M. Babinec, B. J. M. Hausmann, M. Khan, Y. N. Zhang, J. R. Maze, P. R. Hemmer, and M. Loncar, “A diamond nanowire single-photon source,” Nat. Nanotechnol.5(3), 195–199 (2010).
[CrossRef] [PubMed]

Nature (5)

O. Benson, “Assembly of hybrid photonic architectures from nanophotonic constituents,” Nature480(7376), 193–199 (2011).
[CrossRef] [PubMed]

C. Santori, D. Fattal, J. Vucković, G. S. Solomon, and Y. Yamamoto, “Indistinguishable photons from a single-photon device,” Nature419(6907), 594–597 (2002).
[CrossRef] [PubMed]

T. D. Ladd, F. Jelezko, R. Laflamme, Y. Nakamura, C. Monroe, and J. L. O’Brien, “Quantum computers,” Nature464(7285), 45–53 (2010).
[CrossRef] [PubMed]

J. R. Maze, P. L. Stanwix, J. S. Hodges, S. Hong, J. M. Taylor, P. Cappellaro, L. Jiang, M. V. Dutt, E. Togan, A. S. Zibrov, A. Yacoby, R. L. Walsworth, and M. D. Lukin, “Nanoscale magnetic sensing with an individual electronic spin in diamond,” Nature455(7213), 644–647 (2008).
[CrossRef] [PubMed]

E. Togan, Y. Chu, A. S. Trifonov, L. Jiang, J. Maze, L. Childress, M. V. G. Dutt, A. S. Sørensen, P. R. Hemmer, A. S. Zibrov, and M. D. Lukin, “Quantum entanglement between an optical photon and a solid-state spin qubit,” Nature466(7307), 730–734 (2010).
[CrossRef] [PubMed]

New J. Phys. (1)

E. Neu, C. Hepp, M. Hauschild, S. Gsell, M. Fischer, H. Sternschulte, D. Steinmüller-Nethl, M. Schreck, and C. Becher, “Low temperature investigations of single silicon vacancy colour centres in diamond,” New J. Phys.15(4), 043005 (2013).
[CrossRef]

Opt. Express (3)

Phys. Rev. A (2)

K. Kojima, H. F. Hofmann, S. Takeuchi, and K. Sasaki, “Nonlinear interaction of two photons at a one-dimensional atom: spatiotemporal quantum coherence in the emitted field,” Phys. Rev. A68(1), 013803 (2003).
[CrossRef]

H. F. Hofmann, K. Kojima, S. Takeuchi, and K. Sasaki, “Entanglement and four wave mixing effects in the dissipation free nonlinear interaction of two photons at a single atom,” Phys. Rev. A68(4), 043813 (2003).
[CrossRef]

Phys. Rev. B (1)

Y. M. Shen, T. M. Sweeney, and H. L. Wang, “Zero-phonon linewidth of single nitrogen vacancy centers in diamond nanocrystals,” Phys. Rev. B77(3), 033201 (2008).
[CrossRef]

Phys. Rev. Lett. (5)

K.-M. C. Fu, C. Santori, P. E. Barclay, L. J. Rogers, N. B. Manson, and R. G. Beausoleil, “Observation of the dynamic Jahn-Teller effect in the excited states of nitrogen-vacancy centers in diamond,” Phys. Rev. Lett.103(25), 256404 (2009).
[CrossRef] [PubMed]

A. Batalov, V. Jacques, F. Kaiser, P. Siyushev, P. Neumann, L. J. Rogers, R. L. McMurtrie, N. B. Manson, F. Jelezko, and J. Wrachtrup, “Low temperature studies of the excited-state structure of negatively charged nitrogen-vacancy color centers in diamond,” Phys. Rev. Lett.102(19), 195506 (2009).
[CrossRef] [PubMed]

P. Tamarat, T. Gaebel, J. R. Rabeau, M. Khan, A. D. Greentree, H. Wilson, L. C. L. Hollenberg, S. Prawer, P. Hemmer, F. Jelezko, and J. Wrachtrup, “Stark shift control of single optical centers in diamond,” Phys. Rev. Lett.97(8), 083002 (2006).
[CrossRef] [PubMed]

A. Faraon, C. Santori, Z.-H. Huang, V. M. Acosta, and R. G. Beausoleil, “Coupling of nitrogen-vacancy centers to photonic crystal cavities in monocrystalline diamond,” Phys. Rev. Lett.109(3), 033604 (2012).
[CrossRef] [PubMed]

H. Bernien, L. Childress, L. Robledo, M. Markham, D. Twitchen, and R. Hanson, “Two-photon quantum interference from separate nitrogen vacancy centers in diamond,” Phys. Rev. Lett.108(4), 043604 (2012).
[CrossRef] [PubMed]

Phys. Status Solidi A (1)

F. Jelezko and J. Wrachtrup, “Single defect centers in diamond: A review,” Phys. Status Solidi A203(13), 3207–3225 (2006).
[CrossRef]

Science (3)

L. Childress, M. V. Gurudev Dutt, J. M. Taylor, A. S. Zibrov, F. Jelezko, J. Wrachtrup, P. R. Hemmer, and M. D. Lukin, “Coherent dynamics of coupled electron and nuclear spin qubits in diamond,” Science314(5797), 281–285 (2006).
[CrossRef] [PubMed]

J. L. O’Brien, “Optical quantum computing,” Science318(5856), 1567–1570 (2007).
[CrossRef] [PubMed]

T. Nagata, R. Okamoto, J. L. O’brien, K. Sasaki, and S. Takeuchi, “Beating the standard quantum limit with four-entangled photons,” Science316(5825), 726–729 (2007).
[CrossRef] [PubMed]

Other (1)

The error was the square root of the sample variance of the 7-NV data, and not the unbiased sample variance, since our pre-selection excluded NV centers having excessively large ZPL linewidths, on account of which they could not be detected by the FP interferometer.

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Figures (4)

Fig. 1
Fig. 1

A schematic picture of the experimental setup. LLF: laser line filter, QWP: quarter wave plate, DM: dichroic mirror, PH: pinhole, BS: 50/50 beam splitter, SPCM: single photon counting module, TCSPC: time-correlated single photon counter, BPF: band pass filter.

Fig. 2
Fig. 2

(a) A scanning confocal image of diamond nanocrystals on the thermally oxidized silicon substrates. (b) The entire PL spectrum of the NV center indicated by an arrow in Fig. 2(a). (c) The second-order photon correlation histogram of this NV center, showing G(2)(0) = 0.29.

Fig. 3
Fig. 3

The high-resolution PL spectrum of the single NV center incorporated in the nanodiamond in Fig. 2, measured at 4 K. The red curve is a Gaussian fit to the data.

Fig. 4
Fig. 4

(a) The high-resolution PL spectra of the ZPL at temperature from 4 to 25 K. The line connecting the dots is the guide for the eye. The red curve is a Gaussian fit to the data. The fitting error is added as the error bar. (b) The ZPL linewidth as a function of the temperature.

Tables (2)

Tables Icon

Table 1 Optical properties of the 6 nanocrystals. Δv: ZPL linewidth, FDW: Debye-Waller factor. The nanocrystal #1 is the one shown in Figs. 2 and 3.

Tables Icon

Table 2 Comparison of ZPL linewidths of single NV centers in different type of diamonds as measured by direct PL measurement at cryogenic temperatures.

Metrics