Abstract

We report the generation of a continuous-wave squeezed vacuum resonant on the Rb D1 line (795nm) using periodically poled KTiOPO4 (PPKTP) crystals. With a frequency doubler and an optical parametric oscillator based on PPKTP crystals, we observed a squeezing level of 2.75±0.14dB and an antisqueezing level of +7.00±0.13dB. This system could be utilized for demonstrating storage and retrieval of the squeezed vacuum, which is important for the ultraprecise measurement of atomic spins as well as quantum information processing.

© 2006 Optical Society of America

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  1. M. Fleischhauer and M. D. Lukin, Phys. Rev. A 65, 022314 (2002).
    [CrossRef]
  2. A. Dantan and M. Pinard, Phys. Rev. A 69, 043810 (2004).
    [CrossRef]
  3. M. D. Eisaman, A. André, F. Massou, M. Fleischhauer, A. S. Zibrov, and M. D. Lukin, Nature 438, 837 (2005).
    [CrossRef] [PubMed]
  4. T. Chanèliere, D. N. Matsukevich, S. D. Jenkins, S.-Y. Lan, T. A. B. Kennedy, and A. Kuzmich, Nature 438, 833 (2005).
    [CrossRef] [PubMed]
  5. E. S. Polzik, J. Carri, and H. J. Kimble, Appl. Phys. B B55, 279 (1992).
    [CrossRef]
  6. D. Akamatsu, K. Akiba, and M. Kozuma, Phys. Rev. Lett. 92, 203602 (2004).
    [CrossRef] [PubMed]
  7. S. Suzuki, H. Yonezawa, F. Kannari, M. Sasaki, and A. Furusawa, arXiv.org e-print archive, quant-ph/0602036.
  8. T. Aoki, G. Takahashi, and A. Furusawa, arXiv.org e-print archive, quant-ph/0511239.
  9. R. W. P. Drever, J. L. Hall, F. V. Kowalski, J. Hough, G. M. Ford, A. J. Munley, and H. Ward, Appl. Phys. B B31, 97 (1983).
    [CrossRef]
  10. R. L. Targat, J.-J. Zondy, and P. Lemonde, Opt. Commun. 247, 471 (2005).
    [CrossRef]
  11. M. J. Collett and C. W. Gardiner, Phys. Rev. A 30, 1386 (1984).
    [CrossRef]
  12. J. S. Neergaard-Nielsen, B. M. Nielsen, C. Hettich, K. Mølmer, and E. S. Polzik, arXiv.org e-print archive, quant-ph/0602198.

2005

M. D. Eisaman, A. André, F. Massou, M. Fleischhauer, A. S. Zibrov, and M. D. Lukin, Nature 438, 837 (2005).
[CrossRef] [PubMed]

T. Chanèliere, D. N. Matsukevich, S. D. Jenkins, S.-Y. Lan, T. A. B. Kennedy, and A. Kuzmich, Nature 438, 833 (2005).
[CrossRef] [PubMed]

R. L. Targat, J.-J. Zondy, and P. Lemonde, Opt. Commun. 247, 471 (2005).
[CrossRef]

2004

D. Akamatsu, K. Akiba, and M. Kozuma, Phys. Rev. Lett. 92, 203602 (2004).
[CrossRef] [PubMed]

A. Dantan and M. Pinard, Phys. Rev. A 69, 043810 (2004).
[CrossRef]

2002

M. Fleischhauer and M. D. Lukin, Phys. Rev. A 65, 022314 (2002).
[CrossRef]

1992

E. S. Polzik, J. Carri, and H. J. Kimble, Appl. Phys. B B55, 279 (1992).
[CrossRef]

1984

M. J. Collett and C. W. Gardiner, Phys. Rev. A 30, 1386 (1984).
[CrossRef]

1983

R. W. P. Drever, J. L. Hall, F. V. Kowalski, J. Hough, G. M. Ford, A. J. Munley, and H. Ward, Appl. Phys. B B31, 97 (1983).
[CrossRef]

Akamatsu, D.

D. Akamatsu, K. Akiba, and M. Kozuma, Phys. Rev. Lett. 92, 203602 (2004).
[CrossRef] [PubMed]

Akiba, K.

D. Akamatsu, K. Akiba, and M. Kozuma, Phys. Rev. Lett. 92, 203602 (2004).
[CrossRef] [PubMed]

André, A.

M. D. Eisaman, A. André, F. Massou, M. Fleischhauer, A. S. Zibrov, and M. D. Lukin, Nature 438, 837 (2005).
[CrossRef] [PubMed]

Aoki, T.

T. Aoki, G. Takahashi, and A. Furusawa, arXiv.org e-print archive, quant-ph/0511239.

Carri, J.

E. S. Polzik, J. Carri, and H. J. Kimble, Appl. Phys. B B55, 279 (1992).
[CrossRef]

Chanèliere, T.

T. Chanèliere, D. N. Matsukevich, S. D. Jenkins, S.-Y. Lan, T. A. B. Kennedy, and A. Kuzmich, Nature 438, 833 (2005).
[CrossRef] [PubMed]

Collett, M. J.

M. J. Collett and C. W. Gardiner, Phys. Rev. A 30, 1386 (1984).
[CrossRef]

Dantan, A.

A. Dantan and M. Pinard, Phys. Rev. A 69, 043810 (2004).
[CrossRef]

Drever, R. W. P.

R. W. P. Drever, J. L. Hall, F. V. Kowalski, J. Hough, G. M. Ford, A. J. Munley, and H. Ward, Appl. Phys. B B31, 97 (1983).
[CrossRef]

Eisaman, M. D.

M. D. Eisaman, A. André, F. Massou, M. Fleischhauer, A. S. Zibrov, and M. D. Lukin, Nature 438, 837 (2005).
[CrossRef] [PubMed]

Fleischhauer, M.

M. D. Eisaman, A. André, F. Massou, M. Fleischhauer, A. S. Zibrov, and M. D. Lukin, Nature 438, 837 (2005).
[CrossRef] [PubMed]

M. Fleischhauer and M. D. Lukin, Phys. Rev. A 65, 022314 (2002).
[CrossRef]

Ford, G. M.

R. W. P. Drever, J. L. Hall, F. V. Kowalski, J. Hough, G. M. Ford, A. J. Munley, and H. Ward, Appl. Phys. B B31, 97 (1983).
[CrossRef]

Furusawa, A.

S. Suzuki, H. Yonezawa, F. Kannari, M. Sasaki, and A. Furusawa, arXiv.org e-print archive, quant-ph/0602036.

T. Aoki, G. Takahashi, and A. Furusawa, arXiv.org e-print archive, quant-ph/0511239.

Gardiner, C. W.

M. J. Collett and C. W. Gardiner, Phys. Rev. A 30, 1386 (1984).
[CrossRef]

Hall, J. L.

R. W. P. Drever, J. L. Hall, F. V. Kowalski, J. Hough, G. M. Ford, A. J. Munley, and H. Ward, Appl. Phys. B B31, 97 (1983).
[CrossRef]

Hettich, C.

J. S. Neergaard-Nielsen, B. M. Nielsen, C. Hettich, K. Mølmer, and E. S. Polzik, arXiv.org e-print archive, quant-ph/0602198.

Hough, J.

R. W. P. Drever, J. L. Hall, F. V. Kowalski, J. Hough, G. M. Ford, A. J. Munley, and H. Ward, Appl. Phys. B B31, 97 (1983).
[CrossRef]

Jenkins, S. D.

T. Chanèliere, D. N. Matsukevich, S. D. Jenkins, S.-Y. Lan, T. A. B. Kennedy, and A. Kuzmich, Nature 438, 833 (2005).
[CrossRef] [PubMed]

Kannari, F.

S. Suzuki, H. Yonezawa, F. Kannari, M. Sasaki, and A. Furusawa, arXiv.org e-print archive, quant-ph/0602036.

Kennedy, T. A. B.

T. Chanèliere, D. N. Matsukevich, S. D. Jenkins, S.-Y. Lan, T. A. B. Kennedy, and A. Kuzmich, Nature 438, 833 (2005).
[CrossRef] [PubMed]

Kimble, H. J.

E. S. Polzik, J. Carri, and H. J. Kimble, Appl. Phys. B B55, 279 (1992).
[CrossRef]

Kowalski, F. V.

R. W. P. Drever, J. L. Hall, F. V. Kowalski, J. Hough, G. M. Ford, A. J. Munley, and H. Ward, Appl. Phys. B B31, 97 (1983).
[CrossRef]

Kozuma, M.

D. Akamatsu, K. Akiba, and M. Kozuma, Phys. Rev. Lett. 92, 203602 (2004).
[CrossRef] [PubMed]

Kuzmich, A.

T. Chanèliere, D. N. Matsukevich, S. D. Jenkins, S.-Y. Lan, T. A. B. Kennedy, and A. Kuzmich, Nature 438, 833 (2005).
[CrossRef] [PubMed]

Lan, S.-Y.

T. Chanèliere, D. N. Matsukevich, S. D. Jenkins, S.-Y. Lan, T. A. B. Kennedy, and A. Kuzmich, Nature 438, 833 (2005).
[CrossRef] [PubMed]

Lemonde, P.

R. L. Targat, J.-J. Zondy, and P. Lemonde, Opt. Commun. 247, 471 (2005).
[CrossRef]

Lukin, M. D.

M. D. Eisaman, A. André, F. Massou, M. Fleischhauer, A. S. Zibrov, and M. D. Lukin, Nature 438, 837 (2005).
[CrossRef] [PubMed]

M. Fleischhauer and M. D. Lukin, Phys. Rev. A 65, 022314 (2002).
[CrossRef]

Massou, F.

M. D. Eisaman, A. André, F. Massou, M. Fleischhauer, A. S. Zibrov, and M. D. Lukin, Nature 438, 837 (2005).
[CrossRef] [PubMed]

Matsukevich, D. N.

T. Chanèliere, D. N. Matsukevich, S. D. Jenkins, S.-Y. Lan, T. A. B. Kennedy, and A. Kuzmich, Nature 438, 833 (2005).
[CrossRef] [PubMed]

Mølmer, K.

J. S. Neergaard-Nielsen, B. M. Nielsen, C. Hettich, K. Mølmer, and E. S. Polzik, arXiv.org e-print archive, quant-ph/0602198.

Munley, A. J.

R. W. P. Drever, J. L. Hall, F. V. Kowalski, J. Hough, G. M. Ford, A. J. Munley, and H. Ward, Appl. Phys. B B31, 97 (1983).
[CrossRef]

Neergaard-Nielsen, J. S.

J. S. Neergaard-Nielsen, B. M. Nielsen, C. Hettich, K. Mølmer, and E. S. Polzik, arXiv.org e-print archive, quant-ph/0602198.

Nielsen, B. M.

J. S. Neergaard-Nielsen, B. M. Nielsen, C. Hettich, K. Mølmer, and E. S. Polzik, arXiv.org e-print archive, quant-ph/0602198.

Pinard, M.

A. Dantan and M. Pinard, Phys. Rev. A 69, 043810 (2004).
[CrossRef]

Polzik, E. S.

E. S. Polzik, J. Carri, and H. J. Kimble, Appl. Phys. B B55, 279 (1992).
[CrossRef]

J. S. Neergaard-Nielsen, B. M. Nielsen, C. Hettich, K. Mølmer, and E. S. Polzik, arXiv.org e-print archive, quant-ph/0602198.

Sasaki, M.

S. Suzuki, H. Yonezawa, F. Kannari, M. Sasaki, and A. Furusawa, arXiv.org e-print archive, quant-ph/0602036.

Suzuki, S.

S. Suzuki, H. Yonezawa, F. Kannari, M. Sasaki, and A. Furusawa, arXiv.org e-print archive, quant-ph/0602036.

Takahashi, G.

T. Aoki, G. Takahashi, and A. Furusawa, arXiv.org e-print archive, quant-ph/0511239.

Targat, R. L.

R. L. Targat, J.-J. Zondy, and P. Lemonde, Opt. Commun. 247, 471 (2005).
[CrossRef]

Ward, H.

R. W. P. Drever, J. L. Hall, F. V. Kowalski, J. Hough, G. M. Ford, A. J. Munley, and H. Ward, Appl. Phys. B B31, 97 (1983).
[CrossRef]

Yonezawa, H.

S. Suzuki, H. Yonezawa, F. Kannari, M. Sasaki, and A. Furusawa, arXiv.org e-print archive, quant-ph/0602036.

Zibrov, A. S.

M. D. Eisaman, A. André, F. Massou, M. Fleischhauer, A. S. Zibrov, and M. D. Lukin, Nature 438, 837 (2005).
[CrossRef] [PubMed]

Zondy, J.-J.

R. L. Targat, J.-J. Zondy, and P. Lemonde, Opt. Commun. 247, 471 (2005).
[CrossRef]

Appl. Phys. B

E. S. Polzik, J. Carri, and H. J. Kimble, Appl. Phys. B B55, 279 (1992).
[CrossRef]

R. W. P. Drever, J. L. Hall, F. V. Kowalski, J. Hough, G. M. Ford, A. J. Munley, and H. Ward, Appl. Phys. B B31, 97 (1983).
[CrossRef]

Nature

M. D. Eisaman, A. André, F. Massou, M. Fleischhauer, A. S. Zibrov, and M. D. Lukin, Nature 438, 837 (2005).
[CrossRef] [PubMed]

T. Chanèliere, D. N. Matsukevich, S. D. Jenkins, S.-Y. Lan, T. A. B. Kennedy, and A. Kuzmich, Nature 438, 833 (2005).
[CrossRef] [PubMed]

Opt. Commun.

R. L. Targat, J.-J. Zondy, and P. Lemonde, Opt. Commun. 247, 471 (2005).
[CrossRef]

Phys. Rev. A

M. J. Collett and C. W. Gardiner, Phys. Rev. A 30, 1386 (1984).
[CrossRef]

M. Fleischhauer and M. D. Lukin, Phys. Rev. A 65, 022314 (2002).
[CrossRef]

A. Dantan and M. Pinard, Phys. Rev. A 69, 043810 (2004).
[CrossRef]

Phys. Rev. Lett.

D. Akamatsu, K. Akiba, and M. Kozuma, Phys. Rev. Lett. 92, 203602 (2004).
[CrossRef] [PubMed]

Other

S. Suzuki, H. Yonezawa, F. Kannari, M. Sasaki, and A. Furusawa, arXiv.org e-print archive, quant-ph/0602036.

T. Aoki, G. Takahashi, and A. Furusawa, arXiv.org e-print archive, quant-ph/0511239.

J. S. Neergaard-Nielsen, B. M. Nielsen, C. Hettich, K. Mølmer, and E. S. Polzik, arXiv.org e-print archive, quant-ph/0602198.

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Figures (3)

Fig. 1
Fig. 1

Experimental setup. ISO, optical isolator; EOM, electro-optic modulator; OPO, subthreshold degenerate optical parametric oscillator; HBS, half-beam splitter; PT, partial transmittance mirror; HD, balanced homodyne detector; PD, photodiode; SM, single-mode fiber.

Fig. 2
Fig. 2

Measured quantum noise levels. (i) Local oscillator beam phase was scanned. (ii) Shot-noise level. Noise levels are displayed as the relative power compared to the shot-noise level ( 0 dB ) . The settings of the spectrum analyzer were zero-span mode at 1 MHz , resolution bandwidth = 100 kHz , and video bandwidth = 30 Hz .

Fig. 3
Fig. 3

Squeezing and antisqueezing levels for several powers of the pump beam. The 엯 and ◻ indicate measured values, while + and × indicate theoretical values, which are calculated using the parametric gains.

Equations (1)

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S = 1 + 4 α ρ x [ cos 2 θ ( 1 x ) 2 + 4 Ω 2 sin 2 θ ( 1 + x ) 2 + 4 Ω 2 ] ,

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