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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 16, Iss. 3 — Mar. 1, 1999
  • pp: 460–464

Room-temperature generation of amplitude-squeezed light from 1550-nm distributed-feedback semiconductor lasers

F. Jérémie, C. Chabran, and P. Gallion  »View Author Affiliations


JOSA B, Vol. 16, Issue 3, pp. 460-464 (1999)
http://dx.doi.org/10.1364/JOSAB.16.000460


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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

OCIS Codes
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(140.5960) Lasers and laser optics : Semiconductor lasers
(270.2500) Quantum optics : Fluctuations, relaxations, and noise
(270.6570) Quantum optics : Squeezed states

Citation
F. Jérémie, C. Chabran, and P. Gallion, "Room-temperature generation of amplitude-squeezed light from 1550-nm distributed-feedback semiconductor lasers," J. Opt. Soc. Am. B 16, 460-464 (1999)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-16-3-460

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