H. B. Wang, Z. H. Zhai, S. K. Wang, and J. R. Gao, “Generation of frequency-tunable twin beams and its application in sub-shot noise FM spectroscopy,” Europhys. Lett. 64, 15–21 (2003)

[CrossRef]

J. Laurat, T. Coudreau, N. Treps, A. Maitre, and C. Fabre, “conditional preparation of a quantum state in the continuous variable regime: generation of a sub-Poissonian state from twin beams,” Phys. Rev. Lett. 91, 213601 (2003).

[CrossRef]
[PubMed]

R. Namiki and T. Hirano, “security of quantum cryptography using balanced homodyne detection,” Phys. Rev. A. 67 022308 (2003).

[CrossRef]

Y. Zhang, K. Kasai, and M. Watanabe, “Experimental investigation of the intensity fluctuation joint probability and conditional distributions of the twin-beam quantum state,” Opt. Express 11, 14–19 (2003), http://www.opticsexpress.org/abstract.cfm?URI=OPEX-11-1-14.

[CrossRef]
[PubMed]

M. Vasilyev, S. K. Choi, P. Kumar, and G. M. D’Ariano, “Tomographic measurement of joint photon statistics of the twin-beam quantum state,” Phys. Rev. Lett. 84, 2354–2357 (2000).

[CrossRef]
[PubMed]

Y. Zhang, H. Wang, X.Y. Li, J.T. Jing, C.D. Xie, and K.C. Peng, “Experimental generation of bright two-mode quadrature squeezed light from a narrow-band nondegenerate optical parametric amplifier,” Phys. Rev. A, 62, 023813 (2000)

[CrossRef]

H. Wang, Y. Zhang, Q. Pan, H. Su, A. Porzio, C. D. Xie, and K. C. Peng, “Experimental realization of a quantum measurement for intensity difference fluctuation using a beam splitter,” Phys. Rev. Lett. 82, 1414–1417 (1999).

[CrossRef]

M. B. Gray, D. A. Shaddock, C. C. Harb, and H.-A. Bachor, “photodetector designs for low-noise, broadband, and high-power applications,” Rev. Sci. Instrum. 69, 3755–3762, (1998).

[CrossRef]

J. R. Gao, F. Y. Cui, C. Y. Xue, C. D. Xie, and K. C. Peng, “Generation and application of twin beams from an optical parametric oscillator including an a-cut KTP crystal,” Opt. Lett. 23, 870–872 (1998).

[CrossRef]

D. T. Smithey, M. Beck, M.G. Raymer, and A. Faridani, “Measurement of the wigner distribution and the density matrix of a light mode using optical homodyne tomography: application to squeezed states and the vacuum,” Phys. Rev. Lett. 70, 1244–1247 (1993).

[CrossRef]
[PubMed]

D. T. Smithey, M. Beck, M. Belsley, and M. G. Raymer, “Sub-shot-noise correlation of total photon number using macroscopic twin pulses of light,” Phys. Rev. Lett. 69, 2650–2653 (1992).

[CrossRef]
[PubMed]

A. Heidmann, R. J. Horowicz, S. Reynaud, E. Giacobino, C. Fabre, and G. Camy, “Observation of quantum noise reduction on twin laser beams” Phys. Rev. Lett. 59, 2555–2558 (1987).

[CrossRef]
[PubMed]

L. A. Wu, H. J. Kimble, J. L. Hall, and H. F. Wu, “Generation of squeezed states by parametric down conversion,” Phys. Rev. Lett. 57, 2520–2524 (1986).

[CrossRef]
[PubMed]

M. B. Gray, D. A. Shaddock, C. C. Harb, and H.-A. Bachor, “photodetector designs for low-noise, broadband, and high-power applications,” Rev. Sci. Instrum. 69, 3755–3762, (1998).

[CrossRef]

D. T. Smithey, M. Beck, M.G. Raymer, and A. Faridani, “Measurement of the wigner distribution and the density matrix of a light mode using optical homodyne tomography: application to squeezed states and the vacuum,” Phys. Rev. Lett. 70, 1244–1247 (1993).

[CrossRef]
[PubMed]

D. T. Smithey, M. Beck, M. Belsley, and M. G. Raymer, “Sub-shot-noise correlation of total photon number using macroscopic twin pulses of light,” Phys. Rev. Lett. 69, 2650–2653 (1992).

[CrossRef]
[PubMed]

D. T. Smithey, M. Beck, M. Belsley, and M. G. Raymer, “Sub-shot-noise correlation of total photon number using macroscopic twin pulses of light,” Phys. Rev. Lett. 69, 2650–2653 (1992).

[CrossRef]
[PubMed]

A. Heidmann, R. J. Horowicz, S. Reynaud, E. Giacobino, C. Fabre, and G. Camy, “Observation of quantum noise reduction on twin laser beams” Phys. Rev. Lett. 59, 2555–2558 (1987).

[CrossRef]
[PubMed]

M. Vasilyev, S. K. Choi, P. Kumar, and G. M. D’Ariano, “Tomographic measurement of joint photon statistics of the twin-beam quantum state,” Phys. Rev. Lett. 84, 2354–2357 (2000).

[CrossRef]
[PubMed]

J. Laurat, T. Coudreau, N. Treps, A. Maitre, and C. Fabre, “conditional preparation of a quantum state in the continuous variable regime: generation of a sub-Poissonian state from twin beams,” Phys. Rev. Lett. 91, 213601 (2003).

[CrossRef]
[PubMed]

M. Vasilyev, S. K. Choi, P. Kumar, and G. M. D’Ariano, “Tomographic measurement of joint photon statistics of the twin-beam quantum state,” Phys. Rev. Lett. 84, 2354–2357 (2000).

[CrossRef]
[PubMed]

J. Laurat, T. Coudreau, N. Treps, A. Maitre, and C. Fabre, “conditional preparation of a quantum state in the continuous variable regime: generation of a sub-Poissonian state from twin beams,” Phys. Rev. Lett. 91, 213601 (2003).

[CrossRef]
[PubMed]

A. Heidmann, R. J. Horowicz, S. Reynaud, E. Giacobino, C. Fabre, and G. Camy, “Observation of quantum noise reduction on twin laser beams” Phys. Rev. Lett. 59, 2555–2558 (1987).

[CrossRef]
[PubMed]

D. T. Smithey, M. Beck, M.G. Raymer, and A. Faridani, “Measurement of the wigner distribution and the density matrix of a light mode using optical homodyne tomography: application to squeezed states and the vacuum,” Phys. Rev. Lett. 70, 1244–1247 (1993).

[CrossRef]
[PubMed]

A. C. Funk and M. G. Raymer, “quantum key distribution using nonclassical photon-number correlations in macroscopic light pulses,” Phys. Rev. A 65, 042307 (2002).

[CrossRef]

H. B. Wang, Z. H. Zhai, S. K. Wang, and J. R. Gao, “Generation of frequency-tunable twin beams and its application in sub-shot noise FM spectroscopy,” Europhys. Lett. 64, 15–21 (2003)

[CrossRef]

J. R. Gao, F. Y. Cui, C. Y. Xue, C. D. Xie, and K. C. Peng, “Generation and application of twin beams from an optical parametric oscillator including an a-cut KTP crystal,” Opt. Lett. 23, 870–872 (1998).

[CrossRef]

A. Heidmann, R. J. Horowicz, S. Reynaud, E. Giacobino, C. Fabre, and G. Camy, “Observation of quantum noise reduction on twin laser beams” Phys. Rev. Lett. 59, 2555–2558 (1987).

[CrossRef]
[PubMed]

M. B. Gray, D. A. Shaddock, C. C. Harb, and H.-A. Bachor, “photodetector designs for low-noise, broadband, and high-power applications,” Rev. Sci. Instrum. 69, 3755–3762, (1998).

[CrossRef]

L. A. Wu, H. J. Kimble, J. L. Hall, and H. F. Wu, “Generation of squeezed states by parametric down conversion,” Phys. Rev. Lett. 57, 2520–2524 (1986).

[CrossRef]
[PubMed]

M. B. Gray, D. A. Shaddock, C. C. Harb, and H.-A. Bachor, “photodetector designs for low-noise, broadband, and high-power applications,” Rev. Sci. Instrum. 69, 3755–3762, (1998).

[CrossRef]

A. Heidmann, R. J. Horowicz, S. Reynaud, E. Giacobino, C. Fabre, and G. Camy, “Observation of quantum noise reduction on twin laser beams” Phys. Rev. Lett. 59, 2555–2558 (1987).

[CrossRef]
[PubMed]

R. Namiki and T. Hirano, “security of quantum cryptography using balanced homodyne detection,” Phys. Rev. A. 67 022308 (2003).

[CrossRef]

A. Heidmann, R. J. Horowicz, S. Reynaud, E. Giacobino, C. Fabre, and G. Camy, “Observation of quantum noise reduction on twin laser beams” Phys. Rev. Lett. 59, 2555–2558 (1987).

[CrossRef]
[PubMed]

Y. Zhang, H. Wang, X.Y. Li, J.T. Jing, C.D. Xie, and K.C. Peng, “Experimental generation of bright two-mode quadrature squeezed light from a narrow-band nondegenerate optical parametric amplifier,” Phys. Rev. A, 62, 023813 (2000)

[CrossRef]

Y. Zhang, K. Kasai, and M. Watanabe, “Experimental investigation of the intensity fluctuation joint probability and conditional distributions of the twin-beam quantum state,” Opt. Express 11, 14–19 (2003), http://www.opticsexpress.org/abstract.cfm?URI=OPEX-11-1-14.

[CrossRef]
[PubMed]

Y. Zhang, K. Kasai, and M. Watanabe, “Investigation of the photon-number statistics of twin beams by direct detection,” Opt. Lett. 27,1244–1246 (2002).

[CrossRef]

K. Kasai and M. Watanabe, “Generation of twin photon beams from a thermally self-locked semimonolithic optical parametric oscillator and its application,” in proceeding of 7th International Conference on Squeezed States and Uncertainty Relations, Boston, U.S.A., June 4–8, 2001.

L. A. Wu, H. J. Kimble, J. L. Hall, and H. F. Wu, “Generation of squeezed states by parametric down conversion,” Phys. Rev. Lett. 57, 2520–2524 (1986).

[CrossRef]
[PubMed]

M. Vasilyev, S. K. Choi, P. Kumar, and G. M. D’Ariano, “Tomographic measurement of joint photon statistics of the twin-beam quantum state,” Phys. Rev. Lett. 84, 2354–2357 (2000).

[CrossRef]
[PubMed]

J. Laurat, T. Coudreau, N. Treps, A. Maitre, and C. Fabre, “conditional preparation of a quantum state in the continuous variable regime: generation of a sub-Poissonian state from twin beams,” Phys. Rev. Lett. 91, 213601 (2003).

[CrossRef]
[PubMed]

Y. Zhang, H. Wang, X.Y. Li, J.T. Jing, C.D. Xie, and K.C. Peng, “Experimental generation of bright two-mode quadrature squeezed light from a narrow-band nondegenerate optical parametric amplifier,” Phys. Rev. A, 62, 023813 (2000)

[CrossRef]

J. Laurat, T. Coudreau, N. Treps, A. Maitre, and C. Fabre, “conditional preparation of a quantum state in the continuous variable regime: generation of a sub-Poissonian state from twin beams,” Phys. Rev. Lett. 91, 213601 (2003).

[CrossRef]
[PubMed]

The basic concepts of noise theory used in this paper can be found, for example, in L. Mandel and E. Wolf, Optical coherence and Quantum optics (Cambridge University Press, New York, 1995).

R. Namiki and T. Hirano, “security of quantum cryptography using balanced homodyne detection,” Phys. Rev. A. 67 022308 (2003).

[CrossRef]

H. Wang, Y. Zhang, Q. Pan, H. Su, A. Porzio, C. D. Xie, and K. C. Peng, “Experimental realization of a quantum measurement for intensity difference fluctuation using a beam splitter,” Phys. Rev. Lett. 82, 1414–1417 (1999).

[CrossRef]

H. Wang, Y. Zhang, Q. Pan, H. Su, A. Porzio, C. D. Xie, and K. C. Peng, “Experimental realization of a quantum measurement for intensity difference fluctuation using a beam splitter,” Phys. Rev. Lett. 82, 1414–1417 (1999).

[CrossRef]

J. R. Gao, F. Y. Cui, C. Y. Xue, C. D. Xie, and K. C. Peng, “Generation and application of twin beams from an optical parametric oscillator including an a-cut KTP crystal,” Opt. Lett. 23, 870–872 (1998).

[CrossRef]

Y. Zhang, H. Wang, X.Y. Li, J.T. Jing, C.D. Xie, and K.C. Peng, “Experimental generation of bright two-mode quadrature squeezed light from a narrow-band nondegenerate optical parametric amplifier,” Phys. Rev. A, 62, 023813 (2000)

[CrossRef]

H. Wang, Y. Zhang, Q. Pan, H. Su, A. Porzio, C. D. Xie, and K. C. Peng, “Experimental realization of a quantum measurement for intensity difference fluctuation using a beam splitter,” Phys. Rev. Lett. 82, 1414–1417 (1999).

[CrossRef]

A. C. Funk and M. G. Raymer, “quantum key distribution using nonclassical photon-number correlations in macroscopic light pulses,” Phys. Rev. A 65, 042307 (2002).

[CrossRef]

D. T. Smithey, M. Beck, M. Belsley, and M. G. Raymer, “Sub-shot-noise correlation of total photon number using macroscopic twin pulses of light,” Phys. Rev. Lett. 69, 2650–2653 (1992).

[CrossRef]
[PubMed]

D. T. Smithey, M. Beck, M.G. Raymer, and A. Faridani, “Measurement of the wigner distribution and the density matrix of a light mode using optical homodyne tomography: application to squeezed states and the vacuum,” Phys. Rev. Lett. 70, 1244–1247 (1993).

[CrossRef]
[PubMed]

A. Heidmann, R. J. Horowicz, S. Reynaud, E. Giacobino, C. Fabre, and G. Camy, “Observation of quantum noise reduction on twin laser beams” Phys. Rev. Lett. 59, 2555–2558 (1987).

[CrossRef]
[PubMed]

M. B. Gray, D. A. Shaddock, C. C. Harb, and H.-A. Bachor, “photodetector designs for low-noise, broadband, and high-power applications,” Rev. Sci. Instrum. 69, 3755–3762, (1998).

[CrossRef]

D. T. Smithey, M. Beck, M.G. Raymer, and A. Faridani, “Measurement of the wigner distribution and the density matrix of a light mode using optical homodyne tomography: application to squeezed states and the vacuum,” Phys. Rev. Lett. 70, 1244–1247 (1993).

[CrossRef]
[PubMed]

D. T. Smithey, M. Beck, M. Belsley, and M. G. Raymer, “Sub-shot-noise correlation of total photon number using macroscopic twin pulses of light,” Phys. Rev. Lett. 69, 2650–2653 (1992).

[CrossRef]
[PubMed]

H. Wang, Y. Zhang, Q. Pan, H. Su, A. Porzio, C. D. Xie, and K. C. Peng, “Experimental realization of a quantum measurement for intensity difference fluctuation using a beam splitter,” Phys. Rev. Lett. 82, 1414–1417 (1999).

[CrossRef]

J. Laurat, T. Coudreau, N. Treps, A. Maitre, and C. Fabre, “conditional preparation of a quantum state in the continuous variable regime: generation of a sub-Poissonian state from twin beams,” Phys. Rev. Lett. 91, 213601 (2003).

[CrossRef]
[PubMed]

M. Vasilyev, S. K. Choi, P. Kumar, and G. M. D’Ariano, “Tomographic measurement of joint photon statistics of the twin-beam quantum state,” Phys. Rev. Lett. 84, 2354–2357 (2000).

[CrossRef]
[PubMed]

Y. Zhang, H. Wang, X.Y. Li, J.T. Jing, C.D. Xie, and K.C. Peng, “Experimental generation of bright two-mode quadrature squeezed light from a narrow-band nondegenerate optical parametric amplifier,” Phys. Rev. A, 62, 023813 (2000)

[CrossRef]

H. Wang, Y. Zhang, Q. Pan, H. Su, A. Porzio, C. D. Xie, and K. C. Peng, “Experimental realization of a quantum measurement for intensity difference fluctuation using a beam splitter,” Phys. Rev. Lett. 82, 1414–1417 (1999).

[CrossRef]

H. B. Wang, Z. H. Zhai, S. K. Wang, and J. R. Gao, “Generation of frequency-tunable twin beams and its application in sub-shot noise FM spectroscopy,” Europhys. Lett. 64, 15–21 (2003)

[CrossRef]

H. B. Wang, Z. H. Zhai, S. K. Wang, and J. R. Gao, “Generation of frequency-tunable twin beams and its application in sub-shot noise FM spectroscopy,” Europhys. Lett. 64, 15–21 (2003)

[CrossRef]

Y. Zhang, K. Kasai, and M. Watanabe, “Experimental investigation of the intensity fluctuation joint probability and conditional distributions of the twin-beam quantum state,” Opt. Express 11, 14–19 (2003), http://www.opticsexpress.org/abstract.cfm?URI=OPEX-11-1-14.

[CrossRef]
[PubMed]

Y. Zhang, K. Kasai, and M. Watanabe, “Investigation of the photon-number statistics of twin beams by direct detection,” Opt. Lett. 27,1244–1246 (2002).

[CrossRef]

K. Kasai and M. Watanabe, “Generation of twin photon beams from a thermally self-locked semimonolithic optical parametric oscillator and its application,” in proceeding of 7th International Conference on Squeezed States and Uncertainty Relations, Boston, U.S.A., June 4–8, 2001.

The basic concepts of noise theory used in this paper can be found, for example, in L. Mandel and E. Wolf, Optical coherence and Quantum optics (Cambridge University Press, New York, 1995).

L. A. Wu, H. J. Kimble, J. L. Hall, and H. F. Wu, “Generation of squeezed states by parametric down conversion,” Phys. Rev. Lett. 57, 2520–2524 (1986).

[CrossRef]
[PubMed]

L. A. Wu, H. J. Kimble, J. L. Hall, and H. F. Wu, “Generation of squeezed states by parametric down conversion,” Phys. Rev. Lett. 57, 2520–2524 (1986).

[CrossRef]
[PubMed]

H. Wang, Y. Zhang, Q. Pan, H. Su, A. Porzio, C. D. Xie, and K. C. Peng, “Experimental realization of a quantum measurement for intensity difference fluctuation using a beam splitter,” Phys. Rev. Lett. 82, 1414–1417 (1999).

[CrossRef]

J. R. Gao, F. Y. Cui, C. Y. Xue, C. D. Xie, and K. C. Peng, “Generation and application of twin beams from an optical parametric oscillator including an a-cut KTP crystal,” Opt. Lett. 23, 870–872 (1998).

[CrossRef]

Y. Zhang, H. Wang, X.Y. Li, J.T. Jing, C.D. Xie, and K.C. Peng, “Experimental generation of bright two-mode quadrature squeezed light from a narrow-band nondegenerate optical parametric amplifier,” Phys. Rev. A, 62, 023813 (2000)

[CrossRef]

H. B. Wang, Z. H. Zhai, S. K. Wang, and J. R. Gao, “Generation of frequency-tunable twin beams and its application in sub-shot noise FM spectroscopy,” Europhys. Lett. 64, 15–21 (2003)

[CrossRef]

Y. Zhang, K. Kasai, and M. Watanabe, “Experimental investigation of the intensity fluctuation joint probability and conditional distributions of the twin-beam quantum state,” Opt. Express 11, 14–19 (2003), http://www.opticsexpress.org/abstract.cfm?URI=OPEX-11-1-14.

[CrossRef]
[PubMed]

Y. Zhang, K. Kasai, and M. Watanabe, “Investigation of the photon-number statistics of twin beams by direct detection,” Opt. Lett. 27,1244–1246 (2002).

[CrossRef]

Y. Zhang, H. Wang, X.Y. Li, J.T. Jing, C.D. Xie, and K.C. Peng, “Experimental generation of bright two-mode quadrature squeezed light from a narrow-band nondegenerate optical parametric amplifier,” Phys. Rev. A, 62, 023813 (2000)

[CrossRef]

H. Wang, Y. Zhang, Q. Pan, H. Su, A. Porzio, C. D. Xie, and K. C. Peng, “Experimental realization of a quantum measurement for intensity difference fluctuation using a beam splitter,” Phys. Rev. Lett. 82, 1414–1417 (1999).

[CrossRef]

H. B. Wang, Z. H. Zhai, S. K. Wang, and J. R. Gao, “Generation of frequency-tunable twin beams and its application in sub-shot noise FM spectroscopy,” Europhys. Lett. 64, 15–21 (2003)

[CrossRef]

Y. Zhang, K. Kasai, and M. Watanabe, “Investigation of the photon-number statistics of twin beams by direct detection,” Opt. Lett. 27,1244–1246 (2002).

[CrossRef]

J. R. Gao, F. Y. Cui, C. Y. Xue, C. D. Xie, and K. C. Peng, “Generation and application of twin beams from an optical parametric oscillator including an a-cut KTP crystal,” Opt. Lett. 23, 870–872 (1998).

[CrossRef]

A. C. Funk and M. G. Raymer, “quantum key distribution using nonclassical photon-number correlations in macroscopic light pulses,” Phys. Rev. A 65, 042307 (2002).

[CrossRef]

Y. Zhang, H. Wang, X.Y. Li, J.T. Jing, C.D. Xie, and K.C. Peng, “Experimental generation of bright two-mode quadrature squeezed light from a narrow-band nondegenerate optical parametric amplifier,” Phys. Rev. A, 62, 023813 (2000)

[CrossRef]

R. Namiki and T. Hirano, “security of quantum cryptography using balanced homodyne detection,” Phys. Rev. A. 67 022308 (2003).

[CrossRef]

J. Laurat, T. Coudreau, N. Treps, A. Maitre, and C. Fabre, “conditional preparation of a quantum state in the continuous variable regime: generation of a sub-Poissonian state from twin beams,” Phys. Rev. Lett. 91, 213601 (2003).

[CrossRef]
[PubMed]

H. Wang, Y. Zhang, Q. Pan, H. Su, A. Porzio, C. D. Xie, and K. C. Peng, “Experimental realization of a quantum measurement for intensity difference fluctuation using a beam splitter,” Phys. Rev. Lett. 82, 1414–1417 (1999).

[CrossRef]

A. Heidmann, R. J. Horowicz, S. Reynaud, E. Giacobino, C. Fabre, and G. Camy, “Observation of quantum noise reduction on twin laser beams” Phys. Rev. Lett. 59, 2555–2558 (1987).

[CrossRef]
[PubMed]

L. A. Wu, H. J. Kimble, J. L. Hall, and H. F. Wu, “Generation of squeezed states by parametric down conversion,” Phys. Rev. Lett. 57, 2520–2524 (1986).

[CrossRef]
[PubMed]

M. Vasilyev, S. K. Choi, P. Kumar, and G. M. D’Ariano, “Tomographic measurement of joint photon statistics of the twin-beam quantum state,” Phys. Rev. Lett. 84, 2354–2357 (2000).

[CrossRef]
[PubMed]

D. T. Smithey, M. Beck, M.G. Raymer, and A. Faridani, “Measurement of the wigner distribution and the density matrix of a light mode using optical homodyne tomography: application to squeezed states and the vacuum,” Phys. Rev. Lett. 70, 1244–1247 (1993).

[CrossRef]
[PubMed]

D. T. Smithey, M. Beck, M. Belsley, and M. G. Raymer, “Sub-shot-noise correlation of total photon number using macroscopic twin pulses of light,” Phys. Rev. Lett. 69, 2650–2653 (1992).

[CrossRef]
[PubMed]

M. B. Gray, D. A. Shaddock, C. C. Harb, and H.-A. Bachor, “photodetector designs for low-noise, broadband, and high-power applications,” Rev. Sci. Instrum. 69, 3755–3762, (1998).

[CrossRef]

K. Kasai and M. Watanabe, “Generation of twin photon beams from a thermally self-locked semimonolithic optical parametric oscillator and its application,” in proceeding of 7th International Conference on Squeezed States and Uncertainty Relations, Boston, U.S.A., June 4–8, 2001.

The basic concepts of noise theory used in this paper can be found, for example, in L. Mandel and E. Wolf, Optical coherence and Quantum optics (Cambridge University Press, New York, 1995).