Abstract

Experimental results are reported for amplitude-squeezed states generated from two kinds of 1550-nm distributed-feedback semiconductor laser at room temperature. Both lasers exhibit excess noise under free-running conditions, but the origin of this noise is different for the two lasers. For one of the lasers the excess noise is reduced by enhancement of the side-mode–suppression ratio. For the other the excess noise that degrades the squeezing is reduced by weak dispersive optical feedback produced by a grating detuned from the maximum of its first-order reflection. Thus the grating is used to convert phase noise into intensity noise.

© 1999 Optical Society of America

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References

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  1. Y. Yamamoto and Y. Itaya, Phys. Rev. A 14, 5114 (1986).
  2. S. Lathi, S. Inoue, S. Kasapi, and Y. Yamamoto in Quantum Electronics and Laser Science Conference, Vol. 12 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 92.
  3. F. Marin, A. Bramati, E. Giacobino, T.-C. Zhang, J. P. Poizat, J. Roch, and P. Grangier, Phys. Rev. Lett. 75, 4606 (1995).
    [CrossRef] [PubMed]
  4. S. Inoue and Y. Yamamoto, Opt. Lett. 22, 328 (1997).
    [CrossRef] [PubMed]
  5. H. Wang, M. Freeman, and D. Steel, Phys. Rev. Lett. 71, 3951 (1993).
    [CrossRef] [PubMed]
  6. T.-C. Zhang, J. P. Poizat, J. Roch, P. Grangier, F. Marin, A. Bramati, V. Jost, M. D. Levenson, and E. Giacobino, Quantum Semiclass. Opt. 7, 601 (1995).
    [CrossRef]
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    [CrossRef] [PubMed]
  8. M. J. Freeman, H. Wang, D. Steel, R. Craig, and D. R. Scifres, Opt. Lett. 18, 2141 (1993).
    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]

1997 (2)

1996 (1)

Y. Yamamoto, S. Machida, and O. Nilsson, Phys. Rev. A 34, 4025 (1996).
[CrossRef]

1995 (3)

J. Kitching, A. Yariv, and Y. Shevy, Phys. Rev. Lett. 74, 3372 (1995).
[CrossRef] [PubMed]

F. Marin, A. Bramati, E. Giacobino, T.-C. Zhang, J. P. Poizat, J. Roch, and P. Grangier, Phys. Rev. Lett. 75, 4606 (1995).
[CrossRef] [PubMed]

T.-C. Zhang, J. P. Poizat, J. Roch, P. Grangier, F. Marin, A. Bramati, V. Jost, M. D. Levenson, and E. Giacobino, Quantum Semiclass. Opt. 7, 601 (1995).
[CrossRef]

1994 (2)

J. Kitching, R. Boyd, A. Yariv, and Y. Shevy, Opt. Lett. 19, 1331 (1994).
[CrossRef] [PubMed]

D. D. Marcenac and J. E. Carroll, IEEE J. Quantum Electron. 30, 2064 (1994).
[CrossRef]

1993 (2)

1992 (1)

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

1991 (2)

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

M. Newkirk and K. Vahala, IEEE J. Quantum Electron. 27, 13 (1991).
[CrossRef]

1987 (1)

S. Machida, Y. Yamamoto, and Y. Itaya, Phys. Rev. Lett. 58, 1000 (1987).
[CrossRef] [PubMed]

1986 (1)

Y. Yamamoto and Y. Itaya, Phys. Rev. A 14, 5114 (1986).

1984 (1)

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

Boyd, R.

Bramati, A.

F. Marin, A. Bramati, E. Giacobino, T.-C. Zhang, J. P. Poizat, J. Roch, and P. Grangier, Phys. Rev. Lett. 75, 4606 (1995).
[CrossRef] [PubMed]

T.-C. Zhang, J. P. Poizat, J. Roch, P. Grangier, F. Marin, A. Bramati, V. Jost, M. D. Levenson, and E. Giacobino, Quantum Semiclass. Opt. 7, 601 (1995).
[CrossRef]

Carroll, J. E.

D. D. Marcenac and J. E. Carroll, IEEE J. Quantum Electron. 30, 2064 (1994).
[CrossRef]

Craig, R.

Freeman, M.

H. Wang, M. Freeman, and D. Steel, Phys. Rev. Lett. 71, 3951 (1993).
[CrossRef] [PubMed]

Freeman, M. J.

Gallion, P.

Giacobino, E.

T.-C. Zhang, J. P. Poizat, J. Roch, P. Grangier, F. Marin, A. Bramati, V. Jost, M. D. Levenson, and E. Giacobino, Quantum Semiclass. Opt. 7, 601 (1995).
[CrossRef]

F. Marin, A. Bramati, E. Giacobino, T.-C. Zhang, J. P. Poizat, J. Roch, and P. Grangier, Phys. Rev. Lett. 75, 4606 (1995).
[CrossRef] [PubMed]

Golubev, Y.

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

Grangier, P.

F. Marin, A. Bramati, E. Giacobino, T.-C. Zhang, J. P. Poizat, J. Roch, and P. Grangier, Phys. Rev. Lett. 75, 4606 (1995).
[CrossRef] [PubMed]

T.-C. Zhang, J. P. Poizat, J. Roch, P. Grangier, F. Marin, A. Bramati, V. Jost, M. D. Levenson, and E. Giacobino, Quantum Semiclass. Opt. 7, 601 (1995).
[CrossRef]

Inoue, S.

S. Inoue and Y. Yamamoto, Opt. Lett. 22, 328 (1997).
[CrossRef] [PubMed]

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

Itaya, Y.

S. Machida, Y. Yamamoto, and Y. Itaya, Phys. Rev. Lett. 58, 1000 (1987).
[CrossRef] [PubMed]

Y. Yamamoto and Y. Itaya, Phys. Rev. A 14, 5114 (1986).

Jérémie, F.

Jost, V.

T.-C. Zhang, J. P. Poizat, J. Roch, P. Grangier, F. Marin, A. Bramati, V. Jost, M. D. Levenson, and E. Giacobino, Quantum Semiclass. Opt. 7, 601 (1995).
[CrossRef]

Kitching, J.

Levenson, M. D.

T.-C. Zhang, J. P. Poizat, J. Roch, P. Grangier, F. Marin, A. Bramati, V. Jost, M. D. Levenson, and E. Giacobino, Quantum Semiclass. Opt. 7, 601 (1995).
[CrossRef]

Machida, S.

Y. Yamamoto, S. Machida, and O. Nilsson, Phys. Rev. A 34, 4025 (1996).
[CrossRef]

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

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

S. Machida, Y. Yamamoto, and Y. Itaya, Phys. Rev. Lett. 58, 1000 (1987).
[CrossRef] [PubMed]

Marcenac, D. D.

D. D. Marcenac and J. E. Carroll, IEEE J. Quantum Electron. 30, 2064 (1994).
[CrossRef]

Marin, F.

F. Marin, A. Bramati, E. Giacobino, T.-C. Zhang, J. P. Poizat, J. Roch, and P. Grangier, Phys. Rev. Lett. 75, 4606 (1995).
[CrossRef] [PubMed]

T.-C. Zhang, J. P. Poizat, J. Roch, P. Grangier, F. Marin, A. Bramati, V. Jost, M. D. Levenson, and E. Giacobino, Quantum Semiclass. Opt. 7, 601 (1995).
[CrossRef]

Newkirk, M.

M. Newkirk and K. Vahala, IEEE J. Quantum Electron. 27, 13 (1991).
[CrossRef]

Nilsson, O.

Y. Yamamoto, S. Machida, and O. Nilsson, Phys. Rev. A 34, 4025 (1996).
[CrossRef]

Ohzu, H.

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

Poizat, J. P.

T.-C. Zhang, J. P. Poizat, J. Roch, P. Grangier, F. Marin, A. Bramati, V. Jost, M. D. Levenson, and E. Giacobino, Quantum Semiclass. Opt. 7, 601 (1995).
[CrossRef]

F. Marin, A. Bramati, E. Giacobino, T.-C. Zhang, J. P. Poizat, J. Roch, and P. Grangier, Phys. Rev. Lett. 75, 4606 (1995).
[CrossRef] [PubMed]

Richardson, W. H.

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

Roch, J.

F. Marin, A. Bramati, E. Giacobino, T.-C. Zhang, J. P. Poizat, J. Roch, and P. Grangier, Phys. Rev. Lett. 75, 4606 (1995).
[CrossRef] [PubMed]

T.-C. Zhang, J. P. Poizat, J. Roch, P. Grangier, F. Marin, A. Bramati, V. Jost, M. D. Levenson, and E. Giacobino, Quantum Semiclass. Opt. 7, 601 (1995).
[CrossRef]

Scifres, D. R.

Shevy, Y.

Sokolov, I.

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

Steel, D.

Vahala, K.

M. Newkirk and K. Vahala, IEEE J. Quantum Electron. 27, 13 (1991).
[CrossRef]

Wang, H.

Yamamoto, Y.

S. Inoue and Y. Yamamoto, Opt. Lett. 22, 328 (1997).
[CrossRef] [PubMed]

Y. Yamamoto, S. Machida, and O. Nilsson, Phys. Rev. A 34, 4025 (1996).
[CrossRef]

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

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

S. Machida, Y. Yamamoto, and Y. Itaya, Phys. Rev. Lett. 58, 1000 (1987).
[CrossRef] [PubMed]

Y. Yamamoto and Y. Itaya, Phys. Rev. A 14, 5114 (1986).

Yariv, A.

Zhang, T.-C.

T.-C. Zhang, J. P. Poizat, J. Roch, P. Grangier, F. Marin, A. Bramati, V. Jost, M. D. Levenson, and E. Giacobino, Quantum Semiclass. Opt. 7, 601 (1995).
[CrossRef]

F. Marin, A. Bramati, E. Giacobino, T.-C. Zhang, J. P. Poizat, J. Roch, and P. Grangier, Phys. Rev. Lett. 75, 4606 (1995).
[CrossRef] [PubMed]

IEEE J. Quantum Electron. (2)

M. Newkirk and K. Vahala, IEEE J. Quantum Electron. 27, 13 (1991).
[CrossRef]

D. D. Marcenac and J. E. Carroll, IEEE J. Quantum Electron. 30, 2064 (1994).
[CrossRef]

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

Opt. Lett. (3)

Phys. Rev. A (3)

Y. Yamamoto and Y. Itaya, Phys. Rev. A 14, 5114 (1986).

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

Y. Yamamoto, S. Machida, and O. Nilsson, Phys. Rev. A 34, 4025 (1996).
[CrossRef]

Phys. Rev. Lett. (5)

F. Marin, A. Bramati, E. Giacobino, T.-C. Zhang, J. P. Poizat, J. Roch, and P. Grangier, Phys. Rev. Lett. 75, 4606 (1995).
[CrossRef] [PubMed]

S. Machida, Y. Yamamoto, and Y. Itaya, Phys. Rev. Lett. 58, 1000 (1987).
[CrossRef] [PubMed]

J. Kitching, A. Yariv, and Y. Shevy, Phys. Rev. Lett. 74, 3372 (1995).
[CrossRef] [PubMed]

H. Wang, M. Freeman, and D. Steel, Phys. Rev. Lett. 71, 3951 (1993).
[CrossRef] [PubMed]

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

Quantum Semiclass. Opt. (1)

T.-C. Zhang, J. P. Poizat, J. Roch, P. Grangier, F. Marin, A. Bramati, V. Jost, M. D. Levenson, and E. Giacobino, Quantum Semiclass. Opt. 7, 601 (1995).
[CrossRef]

Sov. Phys. JETP (1)

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

Other (2)

S. Lathi, S. Inoue, S. Kasapi, and Y. Yamamoto in Quantum Electronics and Laser Science Conference, Vol. 12 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 92.

F. Jérémie and P. Gallion, in Conference on Lasers and Electro-optics, Vol. 11 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 237.

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Figures (8)

Fig. 1
Fig. 1

Laser noise and SNL under both pump conditions.

Fig. 2
Fig. 2

External grating stabilization scheme. LD, laser diode; PZT, piezoelectric transducer; Pol., polarizer.

Fig. 3
Fig. 3

Optical spectrum analyzer scans obtained with (solid curve) and without (dashed curve) optical feedback from the Littrow grating. IL=147 mA.

Fig. 4
Fig. 4

Current-noise spectra obtained with optical feedback produced by a grating in Littrow configuration.

Fig. 5
Fig. 5

Current-noise spectra for two pump rates. The amplifier thermal noise is subtracted. θ55°.

Fig. 6
Fig. 6

External photon noise normalized to the SNL calculated versus frequency for a quietly pumped laser; solid curve, free-running conditions; dashed curve, extended-cavity laser diode. The parameter values used are r=3, τ=66 ns, nsp=1.5, RL=0.2, and τM=5.6×10-12 s.

Fig. 7
Fig. 7

External photon noise normalized to the SNL, calculated versus the rate C/Copt.

Fig. 8
Fig. 8

Laser noise normalized by the SNL, measured as a function of the pumping rate.

Equations (2)

Equations on this page are rendered with MathJax. Learn more.

Sρρ(0)SNL=1-τPτM+2nsp C2(1+Cα)21+1nspr2 τPτM+2nsp τPτM(Cα-1/nspr)2(1+Cα)2+2rτPτM+2R(ωL)RL1/2 τPτM1+1nspr 1(1+Cα)×1-τPτM1(1+Cα)1+1nspr,
C=ξ/(2τM[R(ω)RL]1/2{1+[R(ω)/RL]1/2τ/τM}),

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