Abstract

We experimentally demonstrate generation of a squeezed vacuum at 800 nm with a Sagnac loop fiber interferometer. When negative dispersion is properly added to an input laser pulse to compensate for the fiber dispersion, the level of squeezing is improved. A squeezed vacuum of 0.45dB is obtained at a dispersion of -0.0157 ps2 for the 1.5 m-long fiber loop. Since the squeezed vacuum is degraded by guided acoustic-wave Brillouin scattering (GAWBS), the noise level of the squeezing is improved by -0.3dB at a liquid nitrogen temperature. We also demonstrate generation of photon number squeezing at -1.3 dB.

© 2009 Optical Society of America

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  1. A. Furusawa, J. L. Sorensen, S. L. Braunstein, C. A. Fuchs, H. J. Kimble, and E. S. Polzik, "Unconditional quantum teleportation," Science 282, 706-709 (1998).
    [CrossRef] [PubMed]
  2. N. Takei, T. Aoki, S. Koike, K. Yoshino, K. Wakui, H. Yonezawa, T. Hiraoka, J. Mizuno, M. Takeoka, M. Ban, and A. Furusawa, "Experimental demonstration of quantum teleportation of a squeezed state," Phys. Rev. A 72, 042304 -1-7(2005).
    [CrossRef]
  3. C. X. Yu, H. A. Haus, and E. P. Ippen, "Soliton squeezing at the gigahertz rate in a Sagnac loop," Opt. Lett. 26, 669-671 (2001).
    [CrossRef]
  4. M. Rosenbluh and R. M. Shelby, "Squeezed optical solitons", Phys. Rev. Lett. 66, 153-156 (1991).
    [CrossRef] [PubMed]
  5. K. Hirosawa, Y. Momose, H. Ushio, Y. Fujiwara, and F. Kannari, "Purification of squeezed vacuum pulse generated from a Sagnac loop fiber using linear optics and conditional homodyne detection," Jpn. J. Appl. Phys. 48, 034001-1-6 (2009).
    [CrossRef]
  6. J. Heersink, T. Ganber, S. Lorenz, O. Glockl, N. Korolkova, and G. Leuchs, "Polarization squeezing of intense pulses with a fiber-optic Sagnac interferometer," Phys. Rev. A 68, 013815-1-9 (2003).
    [CrossRef]
  7. N. Nishizawa, S. Kume, M. Mori, T. Goto, and A. Miyauchi, "Squeezed light generation with 1.064 μm Nd:YAG laser and 0.85 μm single-mode fiber", Jpn. J. Appl. Phys. 33, 138-143 (1994).
    [CrossRef]
  8. K. Hirosawa, H. Furumochi, A. Tada, F. Kannari, M. Takeoka, and M. Sasaki, "Photon number squeezing of ultrabroadband laser pulses generated by microstructure fibers," Phys. Rev. Lett. 94, 203601-1-4 (2005).
    [CrossRef]
  9. Y. Lai and S. S. Yu, "General quantum theory of nonlinear optical-pulse propagation," Phys. Rev. A 51, 817-829 (1995).
    [CrossRef] [PubMed]
  10. N. Nishizawa, Y. Matsuo, M. Mori, T. Goto, and H. Nishimoto, "Effect of guided acoustic wave Brillouin scattering on pulsed squeezing in optical fibers with nonlinearity and dispersion," Opt. Rev. 4, 453-458 (1997).
    [CrossRef]
  11. J. F. Corney, J. Heersink, R. Dong, V. Josse, P. D. Drummond, G. Leuchs, and U. L. Andersen, "Simulations and experiments on polarization squeezing in optical fiber," Phys. Rev. A 78, 023831-1-18 (2008).
    [CrossRef]
  12. D. Hollenbeck and C.D. Cantrell, "Multiple-vibrational-mode model for fiber-optic Raman gain spectrum and response function," J. Opt. Soc. Am. B 19, 2886-2892 (2002).
    [CrossRef]
  13. D. Elser, U. L. Andersen, A. Korn, O. Glockl, S. Lorenz, Ch. Marquardt, and G. Leuchs, "Reduction of guided acoustic wave Brillouin scattering in photonic crystal," Phys. Rev. Lett. 97, 133901-1-4 (2006).
    [CrossRef]
  14. S. Schmitt, J. Ficker, M. Wolff, F. König, A. Sizmann, and G. Leuchs, "Photon-number squeezed solitons from an asymmetric fiber-optic Sagnac interferometer," Phys. Rev. Lett. 81, 2446-2449 (1998).
    [CrossRef]

2002 (1)

2001 (1)

1998 (2)

A. Furusawa, J. L. Sorensen, S. L. Braunstein, C. A. Fuchs, H. J. Kimble, and E. S. Polzik, "Unconditional quantum teleportation," Science 282, 706-709 (1998).
[CrossRef] [PubMed]

S. Schmitt, J. Ficker, M. Wolff, F. König, A. Sizmann, and G. Leuchs, "Photon-number squeezed solitons from an asymmetric fiber-optic Sagnac interferometer," Phys. Rev. Lett. 81, 2446-2449 (1998).
[CrossRef]

1997 (1)

N. Nishizawa, Y. Matsuo, M. Mori, T. Goto, and H. Nishimoto, "Effect of guided acoustic wave Brillouin scattering on pulsed squeezing in optical fibers with nonlinearity and dispersion," Opt. Rev. 4, 453-458 (1997).
[CrossRef]

1995 (1)

Y. Lai and S. S. Yu, "General quantum theory of nonlinear optical-pulse propagation," Phys. Rev. A 51, 817-829 (1995).
[CrossRef] [PubMed]

1994 (1)

N. Nishizawa, S. Kume, M. Mori, T. Goto, and A. Miyauchi, "Squeezed light generation with 1.064 μm Nd:YAG laser and 0.85 μm single-mode fiber", Jpn. J. Appl. Phys. 33, 138-143 (1994).
[CrossRef]

1991 (1)

M. Rosenbluh and R. M. Shelby, "Squeezed optical solitons", Phys. Rev. Lett. 66, 153-156 (1991).
[CrossRef] [PubMed]

Andersen, U. L.

J. F. Corney, J. Heersink, R. Dong, V. Josse, P. D. Drummond, G. Leuchs, and U. L. Andersen, "Simulations and experiments on polarization squeezing in optical fiber," Phys. Rev. A 78, 023831-1-18 (2008).
[CrossRef]

D. Elser, U. L. Andersen, A. Korn, O. Glockl, S. Lorenz, Ch. Marquardt, and G. Leuchs, "Reduction of guided acoustic wave Brillouin scattering in photonic crystal," Phys. Rev. Lett. 97, 133901-1-4 (2006).
[CrossRef]

Braunstein, S. L.

A. Furusawa, J. L. Sorensen, S. L. Braunstein, C. A. Fuchs, H. J. Kimble, and E. S. Polzik, "Unconditional quantum teleportation," Science 282, 706-709 (1998).
[CrossRef] [PubMed]

Cantrell, C.D.

Corney, J. F.

J. F. Corney, J. Heersink, R. Dong, V. Josse, P. D. Drummond, G. Leuchs, and U. L. Andersen, "Simulations and experiments on polarization squeezing in optical fiber," Phys. Rev. A 78, 023831-1-18 (2008).
[CrossRef]

Dong, R.

J. F. Corney, J. Heersink, R. Dong, V. Josse, P. D. Drummond, G. Leuchs, and U. L. Andersen, "Simulations and experiments on polarization squeezing in optical fiber," Phys. Rev. A 78, 023831-1-18 (2008).
[CrossRef]

Drummond, P. D.

J. F. Corney, J. Heersink, R. Dong, V. Josse, P. D. Drummond, G. Leuchs, and U. L. Andersen, "Simulations and experiments on polarization squeezing in optical fiber," Phys. Rev. A 78, 023831-1-18 (2008).
[CrossRef]

Elser, D.

D. Elser, U. L. Andersen, A. Korn, O. Glockl, S. Lorenz, Ch. Marquardt, and G. Leuchs, "Reduction of guided acoustic wave Brillouin scattering in photonic crystal," Phys. Rev. Lett. 97, 133901-1-4 (2006).
[CrossRef]

Ficker, J.

S. Schmitt, J. Ficker, M. Wolff, F. König, A. Sizmann, and G. Leuchs, "Photon-number squeezed solitons from an asymmetric fiber-optic Sagnac interferometer," Phys. Rev. Lett. 81, 2446-2449 (1998).
[CrossRef]

Fuchs, C. A.

A. Furusawa, J. L. Sorensen, S. L. Braunstein, C. A. Fuchs, H. J. Kimble, and E. S. Polzik, "Unconditional quantum teleportation," Science 282, 706-709 (1998).
[CrossRef] [PubMed]

Fujiwara, Y.

K. Hirosawa, Y. Momose, H. Ushio, Y. Fujiwara, and F. Kannari, "Purification of squeezed vacuum pulse generated from a Sagnac loop fiber using linear optics and conditional homodyne detection," Jpn. J. Appl. Phys. 48, 034001-1-6 (2009).
[CrossRef]

Furumochi, H.

K. Hirosawa, H. Furumochi, A. Tada, F. Kannari, M. Takeoka, and M. Sasaki, "Photon number squeezing of ultrabroadband laser pulses generated by microstructure fibers," Phys. Rev. Lett. 94, 203601-1-4 (2005).
[CrossRef]

Furusawa, A.

A. Furusawa, J. L. Sorensen, S. L. Braunstein, C. A. Fuchs, H. J. Kimble, and E. S. Polzik, "Unconditional quantum teleportation," Science 282, 706-709 (1998).
[CrossRef] [PubMed]

Ganber, T.

J. Heersink, T. Ganber, S. Lorenz, O. Glockl, N. Korolkova, and G. Leuchs, "Polarization squeezing of intense pulses with a fiber-optic Sagnac interferometer," Phys. Rev. A 68, 013815-1-9 (2003).
[CrossRef]

Glockl, O.

J. Heersink, T. Ganber, S. Lorenz, O. Glockl, N. Korolkova, and G. Leuchs, "Polarization squeezing of intense pulses with a fiber-optic Sagnac interferometer," Phys. Rev. A 68, 013815-1-9 (2003).
[CrossRef]

D. Elser, U. L. Andersen, A. Korn, O. Glockl, S. Lorenz, Ch. Marquardt, and G. Leuchs, "Reduction of guided acoustic wave Brillouin scattering in photonic crystal," Phys. Rev. Lett. 97, 133901-1-4 (2006).
[CrossRef]

Goto, T.

N. Nishizawa, Y. Matsuo, M. Mori, T. Goto, and H. Nishimoto, "Effect of guided acoustic wave Brillouin scattering on pulsed squeezing in optical fibers with nonlinearity and dispersion," Opt. Rev. 4, 453-458 (1997).
[CrossRef]

N. Nishizawa, S. Kume, M. Mori, T. Goto, and A. Miyauchi, "Squeezed light generation with 1.064 μm Nd:YAG laser and 0.85 μm single-mode fiber", Jpn. J. Appl. Phys. 33, 138-143 (1994).
[CrossRef]

Haus, H. A.

Heersink, J.

J. F. Corney, J. Heersink, R. Dong, V. Josse, P. D. Drummond, G. Leuchs, and U. L. Andersen, "Simulations and experiments on polarization squeezing in optical fiber," Phys. Rev. A 78, 023831-1-18 (2008).
[CrossRef]

J. Heersink, T. Ganber, S. Lorenz, O. Glockl, N. Korolkova, and G. Leuchs, "Polarization squeezing of intense pulses with a fiber-optic Sagnac interferometer," Phys. Rev. A 68, 013815-1-9 (2003).
[CrossRef]

Hirosawa, K.

K. Hirosawa, H. Furumochi, A. Tada, F. Kannari, M. Takeoka, and M. Sasaki, "Photon number squeezing of ultrabroadband laser pulses generated by microstructure fibers," Phys. Rev. Lett. 94, 203601-1-4 (2005).
[CrossRef]

K. Hirosawa, Y. Momose, H. Ushio, Y. Fujiwara, and F. Kannari, "Purification of squeezed vacuum pulse generated from a Sagnac loop fiber using linear optics and conditional homodyne detection," Jpn. J. Appl. Phys. 48, 034001-1-6 (2009).
[CrossRef]

Hollenbeck, D.

Ippen, E. P.

Josse, V.

J. F. Corney, J. Heersink, R. Dong, V. Josse, P. D. Drummond, G. Leuchs, and U. L. Andersen, "Simulations and experiments on polarization squeezing in optical fiber," Phys. Rev. A 78, 023831-1-18 (2008).
[CrossRef]

Kannari, F.

K. Hirosawa, Y. Momose, H. Ushio, Y. Fujiwara, and F. Kannari, "Purification of squeezed vacuum pulse generated from a Sagnac loop fiber using linear optics and conditional homodyne detection," Jpn. J. Appl. Phys. 48, 034001-1-6 (2009).
[CrossRef]

K. Hirosawa, H. Furumochi, A. Tada, F. Kannari, M. Takeoka, and M. Sasaki, "Photon number squeezing of ultrabroadband laser pulses generated by microstructure fibers," Phys. Rev. Lett. 94, 203601-1-4 (2005).
[CrossRef]

Kimble, H. J.

A. Furusawa, J. L. Sorensen, S. L. Braunstein, C. A. Fuchs, H. J. Kimble, and E. S. Polzik, "Unconditional quantum teleportation," Science 282, 706-709 (1998).
[CrossRef] [PubMed]

König, F.

S. Schmitt, J. Ficker, M. Wolff, F. König, A. Sizmann, and G. Leuchs, "Photon-number squeezed solitons from an asymmetric fiber-optic Sagnac interferometer," Phys. Rev. Lett. 81, 2446-2449 (1998).
[CrossRef]

Korn, A.

D. Elser, U. L. Andersen, A. Korn, O. Glockl, S. Lorenz, Ch. Marquardt, and G. Leuchs, "Reduction of guided acoustic wave Brillouin scattering in photonic crystal," Phys. Rev. Lett. 97, 133901-1-4 (2006).
[CrossRef]

Korolkova, N.

J. Heersink, T. Ganber, S. Lorenz, O. Glockl, N. Korolkova, and G. Leuchs, "Polarization squeezing of intense pulses with a fiber-optic Sagnac interferometer," Phys. Rev. A 68, 013815-1-9 (2003).
[CrossRef]

Kume, S.

N. Nishizawa, S. Kume, M. Mori, T. Goto, and A. Miyauchi, "Squeezed light generation with 1.064 μm Nd:YAG laser and 0.85 μm single-mode fiber", Jpn. J. Appl. Phys. 33, 138-143 (1994).
[CrossRef]

Lai, Y.

Y. Lai and S. S. Yu, "General quantum theory of nonlinear optical-pulse propagation," Phys. Rev. A 51, 817-829 (1995).
[CrossRef] [PubMed]

Leuchs, G.

S. Schmitt, J. Ficker, M. Wolff, F. König, A. Sizmann, and G. Leuchs, "Photon-number squeezed solitons from an asymmetric fiber-optic Sagnac interferometer," Phys. Rev. Lett. 81, 2446-2449 (1998).
[CrossRef]

D. Elser, U. L. Andersen, A. Korn, O. Glockl, S. Lorenz, Ch. Marquardt, and G. Leuchs, "Reduction of guided acoustic wave Brillouin scattering in photonic crystal," Phys. Rev. Lett. 97, 133901-1-4 (2006).
[CrossRef]

J. F. Corney, J. Heersink, R. Dong, V. Josse, P. D. Drummond, G. Leuchs, and U. L. Andersen, "Simulations and experiments on polarization squeezing in optical fiber," Phys. Rev. A 78, 023831-1-18 (2008).
[CrossRef]

J. Heersink, T. Ganber, S. Lorenz, O. Glockl, N. Korolkova, and G. Leuchs, "Polarization squeezing of intense pulses with a fiber-optic Sagnac interferometer," Phys. Rev. A 68, 013815-1-9 (2003).
[CrossRef]

Lorenz, S.

J. Heersink, T. Ganber, S. Lorenz, O. Glockl, N. Korolkova, and G. Leuchs, "Polarization squeezing of intense pulses with a fiber-optic Sagnac interferometer," Phys. Rev. A 68, 013815-1-9 (2003).
[CrossRef]

D. Elser, U. L. Andersen, A. Korn, O. Glockl, S. Lorenz, Ch. Marquardt, and G. Leuchs, "Reduction of guided acoustic wave Brillouin scattering in photonic crystal," Phys. Rev. Lett. 97, 133901-1-4 (2006).
[CrossRef]

Marquardt, Ch.

D. Elser, U. L. Andersen, A. Korn, O. Glockl, S. Lorenz, Ch. Marquardt, and G. Leuchs, "Reduction of guided acoustic wave Brillouin scattering in photonic crystal," Phys. Rev. Lett. 97, 133901-1-4 (2006).
[CrossRef]

Matsuo, Y.

N. Nishizawa, Y. Matsuo, M. Mori, T. Goto, and H. Nishimoto, "Effect of guided acoustic wave Brillouin scattering on pulsed squeezing in optical fibers with nonlinearity and dispersion," Opt. Rev. 4, 453-458 (1997).
[CrossRef]

Miyauchi, A.

N. Nishizawa, S. Kume, M. Mori, T. Goto, and A. Miyauchi, "Squeezed light generation with 1.064 μm Nd:YAG laser and 0.85 μm single-mode fiber", Jpn. J. Appl. Phys. 33, 138-143 (1994).
[CrossRef]

Momose, Y.

K. Hirosawa, Y. Momose, H. Ushio, Y. Fujiwara, and F. Kannari, "Purification of squeezed vacuum pulse generated from a Sagnac loop fiber using linear optics and conditional homodyne detection," Jpn. J. Appl. Phys. 48, 034001-1-6 (2009).
[CrossRef]

Mori, M.

N. Nishizawa, Y. Matsuo, M. Mori, T. Goto, and H. Nishimoto, "Effect of guided acoustic wave Brillouin scattering on pulsed squeezing in optical fibers with nonlinearity and dispersion," Opt. Rev. 4, 453-458 (1997).
[CrossRef]

N. Nishizawa, S. Kume, M. Mori, T. Goto, and A. Miyauchi, "Squeezed light generation with 1.064 μm Nd:YAG laser and 0.85 μm single-mode fiber", Jpn. J. Appl. Phys. 33, 138-143 (1994).
[CrossRef]

Nishimoto, H.

N. Nishizawa, Y. Matsuo, M. Mori, T. Goto, and H. Nishimoto, "Effect of guided acoustic wave Brillouin scattering on pulsed squeezing in optical fibers with nonlinearity and dispersion," Opt. Rev. 4, 453-458 (1997).
[CrossRef]

Nishizawa, N.

N. Nishizawa, Y. Matsuo, M. Mori, T. Goto, and H. Nishimoto, "Effect of guided acoustic wave Brillouin scattering on pulsed squeezing in optical fibers with nonlinearity and dispersion," Opt. Rev. 4, 453-458 (1997).
[CrossRef]

N. Nishizawa, S. Kume, M. Mori, T. Goto, and A. Miyauchi, "Squeezed light generation with 1.064 μm Nd:YAG laser and 0.85 μm single-mode fiber", Jpn. J. Appl. Phys. 33, 138-143 (1994).
[CrossRef]

Polzik, E. S.

A. Furusawa, J. L. Sorensen, S. L. Braunstein, C. A. Fuchs, H. J. Kimble, and E. S. Polzik, "Unconditional quantum teleportation," Science 282, 706-709 (1998).
[CrossRef] [PubMed]

Rosenbluh, M.

M. Rosenbluh and R. M. Shelby, "Squeezed optical solitons", Phys. Rev. Lett. 66, 153-156 (1991).
[CrossRef] [PubMed]

Sasaki, M.

K. Hirosawa, H. Furumochi, A. Tada, F. Kannari, M. Takeoka, and M. Sasaki, "Photon number squeezing of ultrabroadband laser pulses generated by microstructure fibers," Phys. Rev. Lett. 94, 203601-1-4 (2005).
[CrossRef]

Schmitt, S.

S. Schmitt, J. Ficker, M. Wolff, F. König, A. Sizmann, and G. Leuchs, "Photon-number squeezed solitons from an asymmetric fiber-optic Sagnac interferometer," Phys. Rev. Lett. 81, 2446-2449 (1998).
[CrossRef]

Shelby, R. M.

M. Rosenbluh and R. M. Shelby, "Squeezed optical solitons", Phys. Rev. Lett. 66, 153-156 (1991).
[CrossRef] [PubMed]

Sizmann, A.

S. Schmitt, J. Ficker, M. Wolff, F. König, A. Sizmann, and G. Leuchs, "Photon-number squeezed solitons from an asymmetric fiber-optic Sagnac interferometer," Phys. Rev. Lett. 81, 2446-2449 (1998).
[CrossRef]

Sorensen, J. L.

A. Furusawa, J. L. Sorensen, S. L. Braunstein, C. A. Fuchs, H. J. Kimble, and E. S. Polzik, "Unconditional quantum teleportation," Science 282, 706-709 (1998).
[CrossRef] [PubMed]

Tada, A.

K. Hirosawa, H. Furumochi, A. Tada, F. Kannari, M. Takeoka, and M. Sasaki, "Photon number squeezing of ultrabroadband laser pulses generated by microstructure fibers," Phys. Rev. Lett. 94, 203601-1-4 (2005).
[CrossRef]

Takeoka, M.

K. Hirosawa, H. Furumochi, A. Tada, F. Kannari, M. Takeoka, and M. Sasaki, "Photon number squeezing of ultrabroadband laser pulses generated by microstructure fibers," Phys. Rev. Lett. 94, 203601-1-4 (2005).
[CrossRef]

Ushio, H.

K. Hirosawa, Y. Momose, H. Ushio, Y. Fujiwara, and F. Kannari, "Purification of squeezed vacuum pulse generated from a Sagnac loop fiber using linear optics and conditional homodyne detection," Jpn. J. Appl. Phys. 48, 034001-1-6 (2009).
[CrossRef]

Wolff, M.

S. Schmitt, J. Ficker, M. Wolff, F. König, A. Sizmann, and G. Leuchs, "Photon-number squeezed solitons from an asymmetric fiber-optic Sagnac interferometer," Phys. Rev. Lett. 81, 2446-2449 (1998).
[CrossRef]

Yu, C. X.

Yu, S. S.

Y. Lai and S. S. Yu, "General quantum theory of nonlinear optical-pulse propagation," Phys. Rev. A 51, 817-829 (1995).
[CrossRef] [PubMed]

J. Opt. Soc. Am. B (1)

Jpn. J. Appl. Phys. (1)

N. Nishizawa, S. Kume, M. Mori, T. Goto, and A. Miyauchi, "Squeezed light generation with 1.064 μm Nd:YAG laser and 0.85 μm single-mode fiber", Jpn. J. Appl. Phys. 33, 138-143 (1994).
[CrossRef]

Opt. Lett. (1)

Opt. Rev. (1)

N. Nishizawa, Y. Matsuo, M. Mori, T. Goto, and H. Nishimoto, "Effect of guided acoustic wave Brillouin scattering on pulsed squeezing in optical fibers with nonlinearity and dispersion," Opt. Rev. 4, 453-458 (1997).
[CrossRef]

Phys. Rev. A (1)

Y. Lai and S. S. Yu, "General quantum theory of nonlinear optical-pulse propagation," Phys. Rev. A 51, 817-829 (1995).
[CrossRef] [PubMed]

Phys. Rev. Lett. (2)

S. Schmitt, J. Ficker, M. Wolff, F. König, A. Sizmann, and G. Leuchs, "Photon-number squeezed solitons from an asymmetric fiber-optic Sagnac interferometer," Phys. Rev. Lett. 81, 2446-2449 (1998).
[CrossRef]

M. Rosenbluh and R. M. Shelby, "Squeezed optical solitons", Phys. Rev. Lett. 66, 153-156 (1991).
[CrossRef] [PubMed]

Science (1)

A. Furusawa, J. L. Sorensen, S. L. Braunstein, C. A. Fuchs, H. J. Kimble, and E. S. Polzik, "Unconditional quantum teleportation," Science 282, 706-709 (1998).
[CrossRef] [PubMed]

Other (6)

N. Takei, T. Aoki, S. Koike, K. Yoshino, K. Wakui, H. Yonezawa, T. Hiraoka, J. Mizuno, M. Takeoka, M. Ban, and A. Furusawa, "Experimental demonstration of quantum teleportation of a squeezed state," Phys. Rev. A 72, 042304 -1-7(2005).
[CrossRef]

D. Elser, U. L. Andersen, A. Korn, O. Glockl, S. Lorenz, Ch. Marquardt, and G. Leuchs, "Reduction of guided acoustic wave Brillouin scattering in photonic crystal," Phys. Rev. Lett. 97, 133901-1-4 (2006).
[CrossRef]

J. F. Corney, J. Heersink, R. Dong, V. Josse, P. D. Drummond, G. Leuchs, and U. L. Andersen, "Simulations and experiments on polarization squeezing in optical fiber," Phys. Rev. A 78, 023831-1-18 (2008).
[CrossRef]

K. Hirosawa, Y. Momose, H. Ushio, Y. Fujiwara, and F. Kannari, "Purification of squeezed vacuum pulse generated from a Sagnac loop fiber using linear optics and conditional homodyne detection," Jpn. J. Appl. Phys. 48, 034001-1-6 (2009).
[CrossRef]

J. Heersink, T. Ganber, S. Lorenz, O. Glockl, N. Korolkova, and G. Leuchs, "Polarization squeezing of intense pulses with a fiber-optic Sagnac interferometer," Phys. Rev. A 68, 013815-1-9 (2003).
[CrossRef]

K. Hirosawa, H. Furumochi, A. Tada, F. Kannari, M. Takeoka, and M. Sasaki, "Photon number squeezing of ultrabroadband laser pulses generated by microstructure fibers," Phys. Rev. Lett. 94, 203601-1-4 (2005).
[CrossRef]

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Figures (9)

Fig. 1.
Fig. 1.

Numerical model calculation of squeezed vacuum considering Raman scattering at (a) 800 nm and (b) 1.5 µm. Cross and square plots show the anti-squeezed noise level obtained with and without Raman, respectively. Triangle and diamond plots show the squeezed noise level obtained with and without Raman, respectively.

Fig. 2.
Fig. 2.

Dependence of squeezed vacuum predicted by the numerical model upon dispersion compensation: (a) squeezing; (b) anti-squeezing. Dispersion of -0.024 ps2 corresponds to that of the half-length fiber

Fig. 3.
Fig. 3.

Numerical model calculation results of (a) temporal waveform and (b) spectrum at various points in the 1.2 m-long optical fiber length. The input laser pulse is negatively chirped with the dispersion of −0.024 ps2.

Fig. 4.
Fig. 4.

Experimental setup of squeezed vacuum: F. R.; Faraday Rotator, LPF; Low-Pass Filter and S. A.; Spectrum Analyzer.

Fig. 5.
Fig. 5.

Dependence of relative noise level of squeezed vacuum pulses upon dispersion compensation: (a) squeezing; (b) anti-squeezing.

Fig. 6.
Fig. 6.

Change in squeezed vacuum obtained at 77 K: (a) squeezing; (b) anti-squeezing.

Fig. 7.
Fig. 7.

Spectra of LO (Local oscillator) pulses with various dispersion pre-compensations

Fig. 8.
Fig. 8.

Experimental results of photon number squeezing. Amount of pre-dispersion compensation is (a) 0 ps2, (b) 0.00519 ps2, (c) 0.0108 ps2, and (d) 0.0159 ps2, respectively.

Fig. 9.
Fig. 9.

Local oscillator pulse spectrum after -3dB coupler. Dispersion compensation is -.0052 ps2

Equations (1)

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zA(z,t)jΣn2jnβntnA(z,t)=j γ (1fr)A(z,t)2 A (z,t)+j γ fr A (z,t)th(tτ)A(z,t)2dτ.

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