Y.-X. Gong, P. Xu, Y. F. Bai, J. Yang, H. Y. Leng, Z. D. Xie, and S. N. Zhu, “Multiphoton path-entanglement generation by concurrent
parametric down-conversion in a single ?(2) nonlinear photonic
crystal,” Phys. Rev. A 86, 023835 (2012).

[CrossRef]

N. Voloch-Bloch, K. Shemer, A. Shapira, R. Shiloh, I. Juwiler, and A. Arie, “Twisting light by nonlinear photonic
crystals,” Phys. Rev. Lett. 108, 233902 (2012).

[CrossRef]

R. Shiloh and A. Arie, “Spectral and temporal holograms with nonlinear
optics,” Opt. Lett. 37, 3591–3593 (2012).

[CrossRef]
[PubMed]

Y.-X. Gong, P. Xu, J. Shi, L. Chen, X. Q. Yu, P. Xue, and S. N. Zhu, “Generation of polarization-entangled photon pairs via
concurrent spontaneous parametric downconversions in a single
?(2) nonlinear photonic crystal,”
Opt. Lett. 37, 4374–4376 (2012).

[CrossRef]
[PubMed]

H. Y. Leng, X. Q. Yu, Y. X. Gong, P. Xu, Z. D. Xie, H. Jin, C. Zhang, and S. N. Zhu, “On-chip steering of entangled photons in nonlinear photonic
crystals,” Nat. Commun. 2, 429 (2011).

[CrossRef]
[PubMed]

I. Afek, O. Ambar, and Y. Silberberg, “High-NOON states by mixing quantum and classical
light,” Science 328, 879–881 (2010).

[CrossRef]
[PubMed]

I. Dolev, A. Ganany-Padowicz, O. Gayer, A. Arie, J. Mangin, and G. Gadret, “Linear and nonlinear optical properties of
MgO:LiTaO3,” Appl. Phys. B 96, 423–432 (2009).

[CrossRef]

D. Branning, S. Bhandari, and M. Beck, “Low-cost coincidence-counting electronics for undergraduate
quantum optics,” Am. J. Phys. 77, 667–670 (2009).

[CrossRef]

T. Ellenbogen, N. Voloch-Bloch, A. Ganany-Padowicz, and A. Arie, “Nonlinear generation and manipulation of Airy
beams,” Nat. Photonics 3, 395–398 (2009).

[CrossRef]

T. Nagata, R. Okamoto, J. L. OBrien, K. Sasaki, and S. Takeuchi, “Beating the standard quantum limit with four-entangled
photons,” Science 316, 726–729 (2007).

[CrossRef]
[PubMed]

A. Arie, N. Habshoosh, and A. Bahabad, “Quasi phase matching in two-dimensional nonlinear photonic
crystals,” Opt. Quant. Electron. 39, 361–375 (2007).

[CrossRef]

T. Kim, M. Fiorentino, and F. N. C. Wong, “Phase-stable source of polarization-entangled photons using
a polarization Sagnac interferometer,” Phys. Rev. A 73, 012316 (2006).

[CrossRef]

R. Lifshitz, A. Arie, and A. Bahabad, “Photonic quasicrystals for nonlinear optical frequency
conversion,” Phys. Rev. Lett. 95, 133901 (2005).

[CrossRef]
[PubMed]

M. W. Mitchell, J. S. Lundeen, and A. M. Steinberg, “Super-resolving phase measurements with a multiphoton
entangled state,” Nature (London) 429, 161–164 (2004).

[CrossRef]

C. E. Kuklewicz, M. Fiorentino, G. Messin, F. N. C. Wong, and J. H. Shapiro, “High-flux source of polarization entangled photons from a
periodically poled KTiOPO4 parametric down-converter,”
Phys. Rev. A 69, 013807 (2004).

[CrossRef]

J. P. Torres, A. Alexandrescu, S. Carrasco, and L. Torner, “Quasi-phase-matching engineering for spatial control of
entangled two-photon states,” Opt. Lett. 29, 376–378 (2004).

[CrossRef]
[PubMed]

Y.-H. Kim, “Quantum interference with beamlike type-II spontaneous
parametric down-conversion,” Phys. Rev. A 68, 013804 (2003).

[CrossRef]

K. Edamatsu, R. Shimizu, and T. Itoh, “Measurement of the photonic de broglie wavelength of
entangled photon pairs generated by spontaneous parametric down-conversion,”
Phys. Rev. Lett. 89, 213601 (2002).

[CrossRef]
[PubMed]

N. Broderick, G. Ross, H. Offerhaus, D. Richardson, and D. Hanna, “Hexagonally poled lithium niobate: a two-dimensional
nonlinear photonic crystal,” Phys. Rev. Lett. 84, 4345–4348 (2000).

[CrossRef]
[PubMed]

V. Berger, “Nonlinear photonic crystals,”
Phys. Rev. Lett. 81, 4136–4139 (1998).

[CrossRef]

S. N. Zhu, Y. Y Zhu, and N. B Ming, “Quasi-phase-matched third-harmonic generation in a
quasi-periodic optical superlattice,” Science 278, 843–846 (1997).

[CrossRef]

J. J. Bollinger, W. M. Itano, D. J. Wineland, and D. J. Heinzen, “Optimal frequency measurements with maximally correlated
states,” Phys. Rev. A 54, R4649–R4652 (1996).

[CrossRef]
[PubMed]

J. Jacobson, G. Björk, I. Chuang, and Y. Yamamoto, “Photonic de Broglie Waves,”
Phys. Rev. Lett. 74, 4835–4838 (1995).

[CrossRef]
[PubMed]

P. G. Kwiat, K. Mattle, H. Weinfurter, A. Zeilinger, A. V. Sergienko, and Y. Shih, “New high intensity source of polarization-entangled photon
pairs,” Phys. Rev. Lett. 75, 4337–4341 (1995).

[CrossRef]
[PubMed]

M. J. Holland and K. Burnett, “Interferometric detection of optical phase shifts at the
Heisenberg limit,” Phys. Rev. Lett. 71, 1355–1358 (1993).

[CrossRef]
[PubMed]

M. Yamada, N. Nada, M. Saitoh, and K. Watanabe, “First-order quasi-phase matched LiNbO3 waveguide
periodically poled by applying an external field for efficient blue second-harmonic
generation,” Appl. Phys. Lett. 62, 435–436 (1992).

[CrossRef]

M. M. Fejer, G. A. Magel, D. H. Jundt, and R. L. Byer, “Quasi-phase-matched second harmonic generation: tuning and
tolerances,” IEEE J. Quantum Electron. 28, 2631–2654 (1992).

[CrossRef]

J. G. Rarity, P. R. Tapster, E. Jakeman, T. Larchuk, R. A. Campos, and M. C. Teich, “Two-photon interference in a Mach-Zehnder
interferometer,” Phys. Rev. Lett. 65, 1348–1351 (1990).

[CrossRef]
[PubMed]

C. K. Hong, Z. Y. Ou, and L. Mandel, “Measurement of subpicosecond time intervals between two
photons by interference,” Phys. Rev. Lett. 59, 2044–2046 (1987).

[CrossRef]
[PubMed]

J. A. Armstrong, N. Bloembergen, J. Ducuing, and P. S. Pershan, “Interactions between light waves in a nonlinear
dielectric,” Phys. Rev. 127, 1918–1939 (1962).

[CrossRef]

I. Afek, O. Ambar, and Y. Silberberg, “High-NOON states by mixing quantum and classical
light,” Science 328, 879–881 (2010).

[CrossRef]
[PubMed]

I. Afek, O. Ambar, and Y. Silberberg, “High-NOON states by mixing quantum and classical
light,” Science 328, 879–881 (2010).

[CrossRef]
[PubMed]

N. Voloch-Bloch, K. Shemer, A. Shapira, R. Shiloh, I. Juwiler, and A. Arie, “Twisting light by nonlinear photonic
crystals,” Phys. Rev. Lett. 108, 233902 (2012).

[CrossRef]

R. Shiloh and A. Arie, “Spectral and temporal holograms with nonlinear
optics,” Opt. Lett. 37, 3591–3593 (2012).

[CrossRef]
[PubMed]

I. Dolev, A. Ganany-Padowicz, O. Gayer, A. Arie, J. Mangin, and G. Gadret, “Linear and nonlinear optical properties of
MgO:LiTaO3,” Appl. Phys. B 96, 423–432 (2009).

[CrossRef]

T. Ellenbogen, N. Voloch-Bloch, A. Ganany-Padowicz, and A. Arie, “Nonlinear generation and manipulation of Airy
beams,” Nat. Photonics 3, 395–398 (2009).

[CrossRef]

A. Arie, N. Habshoosh, and A. Bahabad, “Quasi phase matching in two-dimensional nonlinear photonic
crystals,” Opt. Quant. Electron. 39, 361–375 (2007).

[CrossRef]

R. Lifshitz, A. Arie, and A. Bahabad, “Photonic quasicrystals for nonlinear optical frequency
conversion,” Phys. Rev. Lett. 95, 133901 (2005).

[CrossRef]
[PubMed]

J. A. Armstrong, N. Bloembergen, J. Ducuing, and P. S. Pershan, “Interactions between light waves in a nonlinear
dielectric,” Phys. Rev. 127, 1918–1939 (1962).

[CrossRef]

A. Arie, N. Habshoosh, and A. Bahabad, “Quasi phase matching in two-dimensional nonlinear photonic
crystals,” Opt. Quant. Electron. 39, 361–375 (2007).

[CrossRef]

R. Lifshitz, A. Arie, and A. Bahabad, “Photonic quasicrystals for nonlinear optical frequency
conversion,” Phys. Rev. Lett. 95, 133901 (2005).

[CrossRef]
[PubMed]

Y.-X. Gong, P. Xu, Y. F. Bai, J. Yang, H. Y. Leng, Z. D. Xie, and S. N. Zhu, “Multiphoton path-entanglement generation by concurrent
parametric down-conversion in a single ?(2) nonlinear photonic
crystal,” Phys. Rev. A 86, 023835 (2012).

[CrossRef]

D. Branning, S. Bhandari, and M. Beck, “Low-cost coincidence-counting electronics for undergraduate
quantum optics,” Am. J. Phys. 77, 667–670 (2009).

[CrossRef]

V. Berger, “Nonlinear photonic crystals,”
Phys. Rev. Lett. 81, 4136–4139 (1998).

[CrossRef]

D. Branning, S. Bhandari, and M. Beck, “Low-cost coincidence-counting electronics for undergraduate
quantum optics,” Am. J. Phys. 77, 667–670 (2009).

[CrossRef]

J. Jacobson, G. Björk, I. Chuang, and Y. Yamamoto, “Photonic de Broglie Waves,”
Phys. Rev. Lett. 74, 4835–4838 (1995).

[CrossRef]
[PubMed]

J. A. Armstrong, N. Bloembergen, J. Ducuing, and P. S. Pershan, “Interactions between light waves in a nonlinear
dielectric,” Phys. Rev. 127, 1918–1939 (1962).

[CrossRef]

J. J. Bollinger, W. M. Itano, D. J. Wineland, and D. J. Heinzen, “Optimal frequency measurements with maximally correlated
states,” Phys. Rev. A 54, R4649–R4652 (1996).

[CrossRef]
[PubMed]

D. Branning, S. Bhandari, and M. Beck, “Low-cost coincidence-counting electronics for undergraduate
quantum optics,” Am. J. Phys. 77, 667–670 (2009).

[CrossRef]

N. Broderick, G. Ross, H. Offerhaus, D. Richardson, and D. Hanna, “Hexagonally poled lithium niobate: a two-dimensional
nonlinear photonic crystal,” Phys. Rev. Lett. 84, 4345–4348 (2000).

[CrossRef]
[PubMed]

M. J. Holland and K. Burnett, “Interferometric detection of optical phase shifts at the
Heisenberg limit,” Phys. Rev. Lett. 71, 1355–1358 (1993).

[CrossRef]
[PubMed]

M. M. Fejer, G. A. Magel, D. H. Jundt, and R. L. Byer, “Quasi-phase-matched second harmonic generation: tuning and
tolerances,” IEEE J. Quantum Electron. 28, 2631–2654 (1992).

[CrossRef]

J. G. Rarity, P. R. Tapster, E. Jakeman, T. Larchuk, R. A. Campos, and M. C. Teich, “Two-photon interference in a Mach-Zehnder
interferometer,” Phys. Rev. Lett. 65, 1348–1351 (1990).

[CrossRef]
[PubMed]

J. Jacobson, G. Björk, I. Chuang, and Y. Yamamoto, “Photonic de Broglie Waves,”
Phys. Rev. Lett. 74, 4835–4838 (1995).

[CrossRef]
[PubMed]

I. Dolev, A. Ganany-Padowicz, O. Gayer, A. Arie, J. Mangin, and G. Gadret, “Linear and nonlinear optical properties of
MgO:LiTaO3,” Appl. Phys. B 96, 423–432 (2009).

[CrossRef]

J. A. Armstrong, N. Bloembergen, J. Ducuing, and P. S. Pershan, “Interactions between light waves in a nonlinear
dielectric,” Phys. Rev. 127, 1918–1939 (1962).

[CrossRef]

K. Edamatsu, R. Shimizu, and T. Itoh, “Measurement of the photonic de broglie wavelength of
entangled photon pairs generated by spontaneous parametric down-conversion,”
Phys. Rev. Lett. 89, 213601 (2002).

[CrossRef]
[PubMed]

T. Ellenbogen, N. Voloch-Bloch, A. Ganany-Padowicz, and A. Arie, “Nonlinear generation and manipulation of Airy
beams,” Nat. Photonics 3, 395–398 (2009).

[CrossRef]

M. M. Fejer, G. A. Magel, D. H. Jundt, and R. L. Byer, “Quasi-phase-matched second harmonic generation: tuning and
tolerances,” IEEE J. Quantum Electron. 28, 2631–2654 (1992).

[CrossRef]

T. Kim, M. Fiorentino, and F. N. C. Wong, “Phase-stable source of polarization-entangled photons using
a polarization Sagnac interferometer,” Phys. Rev. A 73, 012316 (2006).

[CrossRef]

C. E. Kuklewicz, M. Fiorentino, G. Messin, F. N. C. Wong, and J. H. Shapiro, “High-flux source of polarization entangled photons from a
periodically poled KTiOPO4 parametric down-converter,”
Phys. Rev. A 69, 013807 (2004).

[CrossRef]

I. Dolev, A. Ganany-Padowicz, O. Gayer, A. Arie, J. Mangin, and G. Gadret, “Linear and nonlinear optical properties of
MgO:LiTaO3,” Appl. Phys. B 96, 423–432 (2009).

[CrossRef]

I. Dolev, A. Ganany-Padowicz, O. Gayer, A. Arie, J. Mangin, and G. Gadret, “Linear and nonlinear optical properties of
MgO:LiTaO3,” Appl. Phys. B 96, 423–432 (2009).

[CrossRef]

T. Ellenbogen, N. Voloch-Bloch, A. Ganany-Padowicz, and A. Arie, “Nonlinear generation and manipulation of Airy
beams,” Nat. Photonics 3, 395–398 (2009).

[CrossRef]

I. Dolev, A. Ganany-Padowicz, O. Gayer, A. Arie, J. Mangin, and G. Gadret, “Linear and nonlinear optical properties of
MgO:LiTaO3,” Appl. Phys. B 96, 423–432 (2009).

[CrossRef]

H. Y. Leng, X. Q. Yu, Y. X. Gong, P. Xu, Z. D. Xie, H. Jin, C. Zhang, and S. N. Zhu, “On-chip steering of entangled photons in nonlinear photonic
crystals,” Nat. Commun. 2, 429 (2011).

[CrossRef]
[PubMed]

H. Jin, P. Xu, X. W. Luo, H. Y. Leng, Y. X. Gong, and S. N. Zhu, “Compact engineering of path entangled sources from a
monolithic quadratic nonlinear photonic crystal,”
http://arxiv.org/abs/1302.0162.

Y.-X. Gong, P. Xu, Y. F. Bai, J. Yang, H. Y. Leng, Z. D. Xie, and S. N. Zhu, “Multiphoton path-entanglement generation by concurrent
parametric down-conversion in a single ?(2) nonlinear photonic
crystal,” Phys. Rev. A 86, 023835 (2012).

[CrossRef]

Y.-X. Gong, P. Xu, J. Shi, L. Chen, X. Q. Yu, P. Xue, and S. N. Zhu, “Generation of polarization-entangled photon pairs via
concurrent spontaneous parametric downconversions in a single
?(2) nonlinear photonic crystal,”
Opt. Lett. 37, 4374–4376 (2012).

[CrossRef]
[PubMed]

A. Arie, N. Habshoosh, and A. Bahabad, “Quasi phase matching in two-dimensional nonlinear photonic
crystals,” Opt. Quant. Electron. 39, 361–375 (2007).

[CrossRef]

N. Broderick, G. Ross, H. Offerhaus, D. Richardson, and D. Hanna, “Hexagonally poled lithium niobate: a two-dimensional
nonlinear photonic crystal,” Phys. Rev. Lett. 84, 4345–4348 (2000).

[CrossRef]
[PubMed]

J. J. Bollinger, W. M. Itano, D. J. Wineland, and D. J. Heinzen, “Optimal frequency measurements with maximally correlated
states,” Phys. Rev. A 54, R4649–R4652 (1996).

[CrossRef]
[PubMed]

M. J. Holland and K. Burnett, “Interferometric detection of optical phase shifts at the
Heisenberg limit,” Phys. Rev. Lett. 71, 1355–1358 (1993).

[CrossRef]
[PubMed]

C. K. Hong, Z. Y. Ou, and L. Mandel, “Measurement of subpicosecond time intervals between two
photons by interference,” Phys. Rev. Lett. 59, 2044–2046 (1987).

[CrossRef]
[PubMed]

J. J. Bollinger, W. M. Itano, D. J. Wineland, and D. J. Heinzen, “Optimal frequency measurements with maximally correlated
states,” Phys. Rev. A 54, R4649–R4652 (1996).

[CrossRef]
[PubMed]

K. Edamatsu, R. Shimizu, and T. Itoh, “Measurement of the photonic de broglie wavelength of
entangled photon pairs generated by spontaneous parametric down-conversion,”
Phys. Rev. Lett. 89, 213601 (2002).

[CrossRef]
[PubMed]

J. Jacobson, G. Björk, I. Chuang, and Y. Yamamoto, “Photonic de Broglie Waves,”
Phys. Rev. Lett. 74, 4835–4838 (1995).

[CrossRef]
[PubMed]

J. G. Rarity, P. R. Tapster, E. Jakeman, T. Larchuk, R. A. Campos, and M. C. Teich, “Two-photon interference in a Mach-Zehnder
interferometer,” Phys. Rev. Lett. 65, 1348–1351 (1990).

[CrossRef]
[PubMed]

H. Y. Leng, X. Q. Yu, Y. X. Gong, P. Xu, Z. D. Xie, H. Jin, C. Zhang, and S. N. Zhu, “On-chip steering of entangled photons in nonlinear photonic
crystals,” Nat. Commun. 2, 429 (2011).

[CrossRef]
[PubMed]

H. Jin, P. Xu, X. W. Luo, H. Y. Leng, Y. X. Gong, and S. N. Zhu, “Compact engineering of path entangled sources from a
monolithic quadratic nonlinear photonic crystal,”
http://arxiv.org/abs/1302.0162.

M. M. Fejer, G. A. Magel, D. H. Jundt, and R. L. Byer, “Quasi-phase-matched second harmonic generation: tuning and
tolerances,” IEEE J. Quantum Electron. 28, 2631–2654 (1992).

[CrossRef]

N. Voloch-Bloch, K. Shemer, A. Shapira, R. Shiloh, I. Juwiler, and A. Arie, “Twisting light by nonlinear photonic
crystals,” Phys. Rev. Lett. 108, 233902 (2012).

[CrossRef]

T. Kim, M. Fiorentino, and F. N. C. Wong, “Phase-stable source of polarization-entangled photons using
a polarization Sagnac interferometer,” Phys. Rev. A 73, 012316 (2006).

[CrossRef]

Y.-H. Kim, “Quantum interference with beamlike type-II spontaneous
parametric down-conversion,” Phys. Rev. A 68, 013804 (2003).

[CrossRef]

C. E. Kuklewicz, M. Fiorentino, G. Messin, F. N. C. Wong, and J. H. Shapiro, “High-flux source of polarization entangled photons from a
periodically poled KTiOPO4 parametric down-converter,”
Phys. Rev. A 69, 013807 (2004).

[CrossRef]

P. G. Kwiat, K. Mattle, H. Weinfurter, A. Zeilinger, A. V. Sergienko, and Y. Shih, “New high intensity source of polarization-entangled photon
pairs,” Phys. Rev. Lett. 75, 4337–4341 (1995).

[CrossRef]
[PubMed]

J. G. Rarity, P. R. Tapster, E. Jakeman, T. Larchuk, R. A. Campos, and M. C. Teich, “Two-photon interference in a Mach-Zehnder
interferometer,” Phys. Rev. Lett. 65, 1348–1351 (1990).

[CrossRef]
[PubMed]

Y.-X. Gong, P. Xu, Y. F. Bai, J. Yang, H. Y. Leng, Z. D. Xie, and S. N. Zhu, “Multiphoton path-entanglement generation by concurrent
parametric down-conversion in a single ?(2) nonlinear photonic
crystal,” Phys. Rev. A 86, 023835 (2012).

[CrossRef]

H. Y. Leng, X. Q. Yu, Y. X. Gong, P. Xu, Z. D. Xie, H. Jin, C. Zhang, and S. N. Zhu, “On-chip steering of entangled photons in nonlinear photonic
crystals,” Nat. Commun. 2, 429 (2011).

[CrossRef]
[PubMed]

H. Jin, P. Xu, X. W. Luo, H. Y. Leng, Y. X. Gong, and S. N. Zhu, “Compact engineering of path entangled sources from a
monolithic quadratic nonlinear photonic crystal,”
http://arxiv.org/abs/1302.0162.

R. Lifshitz, A. Arie, and A. Bahabad, “Photonic quasicrystals for nonlinear optical frequency
conversion,” Phys. Rev. Lett. 95, 133901 (2005).

[CrossRef]
[PubMed]

M. W. Mitchell, J. S. Lundeen, and A. M. Steinberg, “Super-resolving phase measurements with a multiphoton
entangled state,” Nature (London) 429, 161–164 (2004).

[CrossRef]

H. Jin, P. Xu, X. W. Luo, H. Y. Leng, Y. X. Gong, and S. N. Zhu, “Compact engineering of path entangled sources from a
monolithic quadratic nonlinear photonic crystal,”
http://arxiv.org/abs/1302.0162.

M. M. Fejer, G. A. Magel, D. H. Jundt, and R. L. Byer, “Quasi-phase-matched second harmonic generation: tuning and
tolerances,” IEEE J. Quantum Electron. 28, 2631–2654 (1992).

[CrossRef]

C. K. Hong, Z. Y. Ou, and L. Mandel, “Measurement of subpicosecond time intervals between two
photons by interference,” Phys. Rev. Lett. 59, 2044–2046 (1987).

[CrossRef]
[PubMed]

I. Dolev, A. Ganany-Padowicz, O. Gayer, A. Arie, J. Mangin, and G. Gadret, “Linear and nonlinear optical properties of
MgO:LiTaO3,” Appl. Phys. B 96, 423–432 (2009).

[CrossRef]

P. G. Kwiat, K. Mattle, H. Weinfurter, A. Zeilinger, A. V. Sergienko, and Y. Shih, “New high intensity source of polarization-entangled photon
pairs,” Phys. Rev. Lett. 75, 4337–4341 (1995).

[CrossRef]
[PubMed]

C. E. Kuklewicz, M. Fiorentino, G. Messin, F. N. C. Wong, and J. H. Shapiro, “High-flux source of polarization entangled photons from a
periodically poled KTiOPO4 parametric down-converter,”
Phys. Rev. A 69, 013807 (2004).

[CrossRef]

S. N. Zhu, Y. Y Zhu, and N. B Ming, “Quasi-phase-matched third-harmonic generation in a
quasi-periodic optical superlattice,” Science 278, 843–846 (1997).

[CrossRef]

M. W. Mitchell, J. S. Lundeen, and A. M. Steinberg, “Super-resolving phase measurements with a multiphoton
entangled state,” Nature (London) 429, 161–164 (2004).

[CrossRef]

M. Yamada, N. Nada, M. Saitoh, and K. Watanabe, “First-order quasi-phase matched LiNbO3 waveguide
periodically poled by applying an external field for efficient blue second-harmonic
generation,” Appl. Phys. Lett. 62, 435–436 (1992).

[CrossRef]

T. Nagata, R. Okamoto, J. L. OBrien, K. Sasaki, and S. Takeuchi, “Beating the standard quantum limit with four-entangled
photons,” Science 316, 726–729 (2007).

[CrossRef]
[PubMed]

T. Nagata, R. Okamoto, J. L. OBrien, K. Sasaki, and S. Takeuchi, “Beating the standard quantum limit with four-entangled
photons,” Science 316, 726–729 (2007).

[CrossRef]
[PubMed]

N. Broderick, G. Ross, H. Offerhaus, D. Richardson, and D. Hanna, “Hexagonally poled lithium niobate: a two-dimensional
nonlinear photonic crystal,” Phys. Rev. Lett. 84, 4345–4348 (2000).

[CrossRef]
[PubMed]

T. Nagata, R. Okamoto, J. L. OBrien, K. Sasaki, and S. Takeuchi, “Beating the standard quantum limit with four-entangled
photons,” Science 316, 726–729 (2007).

[CrossRef]
[PubMed]

C. K. Hong, Z. Y. Ou, and L. Mandel, “Measurement of subpicosecond time intervals between two
photons by interference,” Phys. Rev. Lett. 59, 2044–2046 (1987).

[CrossRef]
[PubMed]

J. A. Armstrong, N. Bloembergen, J. Ducuing, and P. S. Pershan, “Interactions between light waves in a nonlinear
dielectric,” Phys. Rev. 127, 1918–1939 (1962).

[CrossRef]

J. G. Rarity, P. R. Tapster, E. Jakeman, T. Larchuk, R. A. Campos, and M. C. Teich, “Two-photon interference in a Mach-Zehnder
interferometer,” Phys. Rev. Lett. 65, 1348–1351 (1990).

[CrossRef]
[PubMed]

N. Broderick, G. Ross, H. Offerhaus, D. Richardson, and D. Hanna, “Hexagonally poled lithium niobate: a two-dimensional
nonlinear photonic crystal,” Phys. Rev. Lett. 84, 4345–4348 (2000).

[CrossRef]
[PubMed]

N. Broderick, G. Ross, H. Offerhaus, D. Richardson, and D. Hanna, “Hexagonally poled lithium niobate: a two-dimensional
nonlinear photonic crystal,” Phys. Rev. Lett. 84, 4345–4348 (2000).

[CrossRef]
[PubMed]

M. Yamada, N. Nada, M. Saitoh, and K. Watanabe, “First-order quasi-phase matched LiNbO3 waveguide
periodically poled by applying an external field for efficient blue second-harmonic
generation,” Appl. Phys. Lett. 62, 435–436 (1992).

[CrossRef]

T. Nagata, R. Okamoto, J. L. OBrien, K. Sasaki, and S. Takeuchi, “Beating the standard quantum limit with four-entangled
photons,” Science 316, 726–729 (2007).

[CrossRef]
[PubMed]

P. G. Kwiat, K. Mattle, H. Weinfurter, A. Zeilinger, A. V. Sergienko, and Y. Shih, “New high intensity source of polarization-entangled photon
pairs,” Phys. Rev. Lett. 75, 4337–4341 (1995).

[CrossRef]
[PubMed]

N. Voloch-Bloch, K. Shemer, A. Shapira, R. Shiloh, I. Juwiler, and A. Arie, “Twisting light by nonlinear photonic
crystals,” Phys. Rev. Lett. 108, 233902 (2012).

[CrossRef]

C. E. Kuklewicz, M. Fiorentino, G. Messin, F. N. C. Wong, and J. H. Shapiro, “High-flux source of polarization entangled photons from a
periodically poled KTiOPO4 parametric down-converter,”
Phys. Rev. A 69, 013807 (2004).

[CrossRef]

N. Voloch-Bloch, K. Shemer, A. Shapira, R. Shiloh, I. Juwiler, and A. Arie, “Twisting light by nonlinear photonic
crystals,” Phys. Rev. Lett. 108, 233902 (2012).

[CrossRef]

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