Abstract

We report traveling-wave quadrature squeezing at 1064 nm in a quasi-phase-matched LiNbO3 waveguide, avoiding the gain-induced diffraction encountered in bulk squeezing experiments. The 10-mm-long single-mode waveguide parametric amplifier exhibited a gain of 1.9, averaged over the 20-ps mode-locked pulses, with only 0.5 W of peak pump power at 532 nm. Independent waveguides were employed for the degenerate parametric amplifier squeezer and for the second-harmonic generator that produced the pump for the parametric amplifier. We measured phase-sensitive amplification versus pump power and found close agreement with theory. The observed 14% squeezing correlates closely with the predicted value, based on the measured phase-sensitive amplification and 40% overall detection efficiency. Impedance-matched electrically resonant detection was used to boost our squeezing measurement signals substantially above the background level.

© 1995 Optical Society of America

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References

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  1. B. Yurke, P. Grangier, R. E. Slusher, M. J. Potasek, Phys. Rev. A 35, 3586 (1987).
    [CrossRef] [PubMed]
  2. R. E. Slusher, P. Grangier, A. LaPorta, B. Yurke, M. J. Potasek, Phys. Rev. Lett. 59, 2566 (1987).
    [CrossRef] [PubMed]
  3. C. Kim, R.-D. Li, P. Kumar, Opt. Lett. 19, 132 (1994).
    [CrossRef] [PubMed]
  4. M. E. Anderson, M. Beck, M. G. Raymer, J. D. Bierlein, Opt. Lett. 20, 620 (1995).
    [CrossRef] [PubMed]
  5. E. J. Lim, M. M. Fejer, R. L. Byer, W. J. Kozlovsky, Electron. Lett. 25, 731 (1989).
    [CrossRef]
  6. M. L. Bortz, M. M. Fejer, Opt. Lett. 16, 1844 (1991).
    [CrossRef] [PubMed]
  7. O. Aytür, P. Kumar, Opt. Lett. 15, 390 (1990).
    [CrossRef] [PubMed]
  8. L.-A. Wu, M. Xiao, H. J. Kimble, J. Opt. Soc. Am. B 4, 1465 (1987).
    [CrossRef]
  9. P. Kumar, in Squeezed and Nonclassical Light, P. Tombesi, E. R. Pike, eds. (Plenum, New York, 1989), p. 175.

1995 (1)

1994 (1)

1991 (1)

1990 (1)

1989 (1)

E. J. Lim, M. M. Fejer, R. L. Byer, W. J. Kozlovsky, Electron. Lett. 25, 731 (1989).
[CrossRef]

1987 (3)

B. Yurke, P. Grangier, R. E. Slusher, M. J. Potasek, Phys. Rev. A 35, 3586 (1987).
[CrossRef] [PubMed]

R. E. Slusher, P. Grangier, A. LaPorta, B. Yurke, M. J. Potasek, Phys. Rev. Lett. 59, 2566 (1987).
[CrossRef] [PubMed]

L.-A. Wu, M. Xiao, H. J. Kimble, J. Opt. Soc. Am. B 4, 1465 (1987).
[CrossRef]

Anderson, M. E.

Aytür, O.

Beck, M.

Bierlein, J. D.

Bortz, M. L.

Byer, R. L.

E. J. Lim, M. M. Fejer, R. L. Byer, W. J. Kozlovsky, Electron. Lett. 25, 731 (1989).
[CrossRef]

Fejer, M. M.

M. L. Bortz, M. M. Fejer, Opt. Lett. 16, 1844 (1991).
[CrossRef] [PubMed]

E. J. Lim, M. M. Fejer, R. L. Byer, W. J. Kozlovsky, Electron. Lett. 25, 731 (1989).
[CrossRef]

Grangier, P.

B. Yurke, P. Grangier, R. E. Slusher, M. J. Potasek, Phys. Rev. A 35, 3586 (1987).
[CrossRef] [PubMed]

R. E. Slusher, P. Grangier, A. LaPorta, B. Yurke, M. J. Potasek, Phys. Rev. Lett. 59, 2566 (1987).
[CrossRef] [PubMed]

Kim, C.

Kimble, H. J.

Kozlovsky, W. J.

E. J. Lim, M. M. Fejer, R. L. Byer, W. J. Kozlovsky, Electron. Lett. 25, 731 (1989).
[CrossRef]

Kumar, P.

C. Kim, R.-D. Li, P. Kumar, Opt. Lett. 19, 132 (1994).
[CrossRef] [PubMed]

O. Aytür, P. Kumar, Opt. Lett. 15, 390 (1990).
[CrossRef] [PubMed]

P. Kumar, in Squeezed and Nonclassical Light, P. Tombesi, E. R. Pike, eds. (Plenum, New York, 1989), p. 175.

LaPorta, A.

R. E. Slusher, P. Grangier, A. LaPorta, B. Yurke, M. J. Potasek, Phys. Rev. Lett. 59, 2566 (1987).
[CrossRef] [PubMed]

Li, R.-D.

Lim, E. J.

E. J. Lim, M. M. Fejer, R. L. Byer, W. J. Kozlovsky, Electron. Lett. 25, 731 (1989).
[CrossRef]

Potasek, M. J.

R. E. Slusher, P. Grangier, A. LaPorta, B. Yurke, M. J. Potasek, Phys. Rev. Lett. 59, 2566 (1987).
[CrossRef] [PubMed]

B. Yurke, P. Grangier, R. E. Slusher, M. J. Potasek, Phys. Rev. A 35, 3586 (1987).
[CrossRef] [PubMed]

Raymer, M. G.

Slusher, R. E.

R. E. Slusher, P. Grangier, A. LaPorta, B. Yurke, M. J. Potasek, Phys. Rev. Lett. 59, 2566 (1987).
[CrossRef] [PubMed]

B. Yurke, P. Grangier, R. E. Slusher, M. J. Potasek, Phys. Rev. A 35, 3586 (1987).
[CrossRef] [PubMed]

Wu, L.-A.

Xiao, M.

Yurke, B.

B. Yurke, P. Grangier, R. E. Slusher, M. J. Potasek, Phys. Rev. A 35, 3586 (1987).
[CrossRef] [PubMed]

R. E. Slusher, P. Grangier, A. LaPorta, B. Yurke, M. J. Potasek, Phys. Rev. Lett. 59, 2566 (1987).
[CrossRef] [PubMed]

Electron. Lett. (1)

E. J. Lim, M. M. Fejer, R. L. Byer, W. J. Kozlovsky, Electron. Lett. 25, 731 (1989).
[CrossRef]

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

Opt. Lett. (4)

Phys. Rev. A (1)

B. Yurke, P. Grangier, R. E. Slusher, M. J. Potasek, Phys. Rev. A 35, 3586 (1987).
[CrossRef] [PubMed]

Phys. Rev. Lett. (1)

R. E. Slusher, P. Grangier, A. LaPorta, B. Yurke, M. J. Potasek, Phys. Rev. Lett. 59, 2566 (1987).
[CrossRef] [PubMed]

Other (1)

P. Kumar, in Squeezed and Nonclassical Light, P. Tombesi, E. R. Pike, eds. (Plenum, New York, 1989), p. 175.

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Figures (4)

Fig. 1
Fig. 1

Schematic of the setup for measuring squeezing and (with minor modifications) PSA.

Fig. 2
Fig. 2

Gain extrema of PSA versus peak pump power. The solid curve follows Eq. (1).

Fig. 3
Fig. 3

(a) Electrical schematic of the detector circuit, with the bias circuitry omitted. (b) Spectrum analyzer characterization of the resonant detector, with 1-MHz resolution bandwidth and 100-Hz video bandwidth.

Fig. 4
Fig. 4

Squeezed vacuum noise versus time with a linear ramp of the LO phase.

Equations (1)

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G ± = - T / 2 T / 2 d t 2 τ 1 exp [ ± 2 η DPA P 20 sech 2 ( t / τ 1 ) ] × sech 2 ( t / τ 1 ) ,

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