Abstract

High-impedance pump noise suppression was used to generate amplitude squeezing in an index-guided quantum-well laser. Light exhibiting photon-number noise 1.4 dB below the shot-noise limit was observed, and the corresponding polarization properties were examined. Close-coupled laser-detector measurements made with an unsaturated detector revealed 2.9 dB of squeezing.

© 1993 Optical Society of America

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References

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  1. H. P. Yuen, Phys. Rev. Lett. 56, 2176 (1986).
    [CrossRef] [PubMed]
  2. Y. Yamamoto, H. A. Haus, Rev. Mod. Phys. 58, 1001 (1986).
    [CrossRef]
  3. M. Sargent, M. O. Scully, W. E. Lamb, Laser Physics (Addison-Wesley, Reading, Mass., 1974).
  4. Y. M. Golubev, I. V. Sokolov, Sov. Phys. JETP 60, 234 (1984).
  5. Y. Yamamoto, S. Machida, O. Nilsson, Phys. Rev. A 34, 4025 (1986);see also Y. Yamamoto, S. Machida, Phys. Rev. A 35, 5114 (1987).
    [CrossRef] [PubMed]
  6. H. Ritsch, P. Zoller, C. W. Gardiner, D. F. Walls, Phys. Rev. A 44, 3361 (1991).
    [CrossRef] [PubMed]
  7. W. H. Richardson, R. M. Shelby, Phys. Rev. Lett. 64, 400 (1990).
    [CrossRef] [PubMed]
  8. W. H. Richardson, S. Machida, Y. Yamamoto, Phys. Rev. Lett. 66, 2867 (1991).
    [CrossRef] [PubMed]
  9. S. Machida, Y. Yamamoto, Opt. Lett. 14, 1045 (1989).
    [CrossRef] [PubMed]
  10. H. P. Yuen, V. W. S. Chan, Opt. Lett. 8, 177 (1983).
    [CrossRef] [PubMed]
  11. S. Prasad, M. O. Scully, W. Martienssen, Opt. Commun. 62, 139 (1987).
    [CrossRef]
  12. M. D. Levenson, W. H. Richardson, S. H. Perlmutter, Opt. Lett. 14, 779 (1989).
    [CrossRef] [PubMed]
  13. Y. Yamamoto, H. A. Haus, Phys. Rev. A 45, 6596 (1992).
    [CrossRef] [PubMed]
  14. The saturation characteristics of NDL-2208, EG&G C30957E, and Melles Griot 13DSI003 silicon photodiodes were also investigated and were found to be unsatisfactory at the intensity levels imposed by the close-coupled laser. The onset of saturation in these devices was much more abrupt, and the sensitivity to spot-size variations was greater than that of the Hamamatsu detectors.
  15. S. Inoue, H. Ohzu, S. Machida, Y. Yamamoto, Phys. Rev. A 46, 2757 (1992).
    [CrossRef] [PubMed]

1992 (2)

Y. Yamamoto, H. A. Haus, Phys. Rev. A 45, 6596 (1992).
[CrossRef] [PubMed]

S. Inoue, H. Ohzu, S. Machida, Y. Yamamoto, Phys. Rev. A 46, 2757 (1992).
[CrossRef] [PubMed]

1991 (2)

H. Ritsch, P. Zoller, C. W. Gardiner, D. F. Walls, Phys. Rev. A 44, 3361 (1991).
[CrossRef] [PubMed]

W. H. Richardson, S. Machida, Y. Yamamoto, Phys. Rev. Lett. 66, 2867 (1991).
[CrossRef] [PubMed]

1990 (1)

W. H. Richardson, R. M. Shelby, Phys. Rev. Lett. 64, 400 (1990).
[CrossRef] [PubMed]

1989 (2)

1987 (1)

S. Prasad, M. O. Scully, W. Martienssen, Opt. Commun. 62, 139 (1987).
[CrossRef]

1986 (3)

Y. Yamamoto, S. Machida, O. Nilsson, Phys. Rev. A 34, 4025 (1986);see also Y. Yamamoto, S. Machida, Phys. Rev. A 35, 5114 (1987).
[CrossRef] [PubMed]

H. P. Yuen, Phys. Rev. Lett. 56, 2176 (1986).
[CrossRef] [PubMed]

Y. Yamamoto, H. A. Haus, Rev. Mod. Phys. 58, 1001 (1986).
[CrossRef]

1984 (1)

Y. M. Golubev, I. V. Sokolov, Sov. Phys. JETP 60, 234 (1984).

1983 (1)

Chan, V. W. S.

Gardiner, C. W.

H. Ritsch, P. Zoller, C. W. Gardiner, D. F. Walls, Phys. Rev. A 44, 3361 (1991).
[CrossRef] [PubMed]

Golubev, Y. M.

Y. M. Golubev, I. V. Sokolov, Sov. Phys. JETP 60, 234 (1984).

Haus, H. A.

Y. Yamamoto, H. A. Haus, Phys. Rev. A 45, 6596 (1992).
[CrossRef] [PubMed]

Y. Yamamoto, H. A. Haus, Rev. Mod. Phys. 58, 1001 (1986).
[CrossRef]

Inoue, S.

S. Inoue, H. Ohzu, S. Machida, Y. Yamamoto, Phys. Rev. A 46, 2757 (1992).
[CrossRef] [PubMed]

Lamb, W. E.

M. Sargent, M. O. Scully, W. E. Lamb, Laser Physics (Addison-Wesley, Reading, Mass., 1974).

Levenson, M. D.

Machida, S.

S. Inoue, H. Ohzu, S. Machida, Y. Yamamoto, Phys. Rev. A 46, 2757 (1992).
[CrossRef] [PubMed]

W. H. Richardson, S. Machida, Y. Yamamoto, Phys. Rev. Lett. 66, 2867 (1991).
[CrossRef] [PubMed]

S. Machida, Y. Yamamoto, Opt. Lett. 14, 1045 (1989).
[CrossRef] [PubMed]

Y. Yamamoto, S. Machida, O. Nilsson, Phys. Rev. A 34, 4025 (1986);see also Y. Yamamoto, S. Machida, Phys. Rev. A 35, 5114 (1987).
[CrossRef] [PubMed]

Martienssen, W.

S. Prasad, M. O. Scully, W. Martienssen, Opt. Commun. 62, 139 (1987).
[CrossRef]

Nilsson, O.

Y. Yamamoto, S. Machida, O. Nilsson, Phys. Rev. A 34, 4025 (1986);see also Y. Yamamoto, S. Machida, Phys. Rev. A 35, 5114 (1987).
[CrossRef] [PubMed]

Ohzu, H.

S. Inoue, H. Ohzu, S. Machida, Y. Yamamoto, Phys. Rev. A 46, 2757 (1992).
[CrossRef] [PubMed]

Perlmutter, S. H.

Prasad, S.

S. Prasad, M. O. Scully, W. Martienssen, Opt. Commun. 62, 139 (1987).
[CrossRef]

Richardson, W. H.

W. H. Richardson, S. Machida, Y. Yamamoto, Phys. Rev. Lett. 66, 2867 (1991).
[CrossRef] [PubMed]

W. H. Richardson, R. M. Shelby, Phys. Rev. Lett. 64, 400 (1990).
[CrossRef] [PubMed]

M. D. Levenson, W. H. Richardson, S. H. Perlmutter, Opt. Lett. 14, 779 (1989).
[CrossRef] [PubMed]

Ritsch, H.

H. Ritsch, P. Zoller, C. W. Gardiner, D. F. Walls, Phys. Rev. A 44, 3361 (1991).
[CrossRef] [PubMed]

Sargent, M.

M. Sargent, M. O. Scully, W. E. Lamb, Laser Physics (Addison-Wesley, Reading, Mass., 1974).

Scully, M. O.

S. Prasad, M. O. Scully, W. Martienssen, Opt. Commun. 62, 139 (1987).
[CrossRef]

M. Sargent, M. O. Scully, W. E. Lamb, Laser Physics (Addison-Wesley, Reading, Mass., 1974).

Shelby, R. M.

W. H. Richardson, R. M. Shelby, Phys. Rev. Lett. 64, 400 (1990).
[CrossRef] [PubMed]

Sokolov, I. V.

Y. M. Golubev, I. V. Sokolov, Sov. Phys. JETP 60, 234 (1984).

Walls, D. F.

H. Ritsch, P. Zoller, C. W. Gardiner, D. F. Walls, Phys. Rev. A 44, 3361 (1991).
[CrossRef] [PubMed]

Yamamoto, Y.

Y. Yamamoto, H. A. Haus, Phys. Rev. A 45, 6596 (1992).
[CrossRef] [PubMed]

S. Inoue, H. Ohzu, S. Machida, Y. Yamamoto, Phys. Rev. A 46, 2757 (1992).
[CrossRef] [PubMed]

W. H. Richardson, S. Machida, Y. Yamamoto, Phys. Rev. Lett. 66, 2867 (1991).
[CrossRef] [PubMed]

S. Machida, Y. Yamamoto, Opt. Lett. 14, 1045 (1989).
[CrossRef] [PubMed]

Y. Yamamoto, S. Machida, O. Nilsson, Phys. Rev. A 34, 4025 (1986);see also Y. Yamamoto, S. Machida, Phys. Rev. A 35, 5114 (1987).
[CrossRef] [PubMed]

Y. Yamamoto, H. A. Haus, Rev. Mod. Phys. 58, 1001 (1986).
[CrossRef]

Yuen, H. P.

Zoller, P.

H. Ritsch, P. Zoller, C. W. Gardiner, D. F. Walls, Phys. Rev. A 44, 3361 (1991).
[CrossRef] [PubMed]

Opt. Commun. (1)

S. Prasad, M. O. Scully, W. Martienssen, Opt. Commun. 62, 139 (1987).
[CrossRef]

Opt. Lett. (3)

Phys. Rev. A (4)

Y. Yamamoto, S. Machida, O. Nilsson, Phys. Rev. A 34, 4025 (1986);see also Y. Yamamoto, S. Machida, Phys. Rev. A 35, 5114 (1987).
[CrossRef] [PubMed]

H. Ritsch, P. Zoller, C. W. Gardiner, D. F. Walls, Phys. Rev. A 44, 3361 (1991).
[CrossRef] [PubMed]

Y. Yamamoto, H. A. Haus, Phys. Rev. A 45, 6596 (1992).
[CrossRef] [PubMed]

S. Inoue, H. Ohzu, S. Machida, Y. Yamamoto, Phys. Rev. A 46, 2757 (1992).
[CrossRef] [PubMed]

Phys. Rev. Lett. (3)

W. H. Richardson, R. M. Shelby, Phys. Rev. Lett. 64, 400 (1990).
[CrossRef] [PubMed]

W. H. Richardson, S. Machida, Y. Yamamoto, Phys. Rev. Lett. 66, 2867 (1991).
[CrossRef] [PubMed]

H. P. Yuen, Phys. Rev. Lett. 56, 2176 (1986).
[CrossRef] [PubMed]

Rev. Mod. Phys. (1)

Y. Yamamoto, H. A. Haus, Rev. Mod. Phys. 58, 1001 (1986).
[CrossRef]

Sov. Phys. JETP (1)

Y. M. Golubev, I. V. Sokolov, Sov. Phys. JETP 60, 234 (1984).

Other (2)

The saturation characteristics of NDL-2208, EG&G C30957E, and Melles Griot 13DSI003 silicon photodiodes were also investigated and were found to be unsatisfactory at the intensity levels imposed by the close-coupled laser. The onset of saturation in these devices was much more abrupt, and the sensitivity to spot-size variations was greater than that of the Hamamatsu detectors.

M. Sargent, M. O. Scully, W. E. Lamb, Laser Physics (Addison-Wesley, Reading, Mass., 1974).

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Figures (2)

Fig. 1
Fig. 1

Balanced mixer amplitude-fluctuation spectra for the laser (traces a and c) and for a red-filtered white-light source (trace b). All three were taken with a total dc photodetector current of 8.00 mA. The amplifier thermal noise (trace d) was subtracted in traces a, b, and c and is given for reference.

Fig. 2
Fig. 2

(a) Red-filtered white-light source was used to study the frequency-dependent saturation characteristic of the detector. The frequencies shown are 10 MHz (trace a), 50 MHz (trace b), 100 MHz (trace c), and 150 MHz (trace d). The dotted line represents the response of an ideal detector. (b) Demonstration of the amplitude squeezing obtained on close coupling the diode laser and detector. Trace a shows the laser noise spectra, trace b shows the shot-noise level corresponding to trace a, and trace c shows the amplifier thermal noise level, which was subtracted from traces a and b.

Equations (3)

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[ b ˆ b ˆ ] = [ cos ( θ ) sin ( θ ) sin ( θ ) cos ( θ ) ] [ a ˆ a ˆ ] ,
[ Δ ( M ˆ + M ˆ ) ] 2 = ( Δ N ˆ ) 2 + ( Δ N ˆ ) 2 ,
[ Δ ( M ˆ M ˆ ) ] 2 = N ˆ + N ˆ + 2 N ˆ N ˆ 2 | a ˆ a ˆ | 2 + 2 Re [ ( Δ a ˆ a ˆ ) 2 ] ,

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