Phys. Rev. Lett. 74, 3372–3375 (1995)Room Temperature Generation of Amplitude Squeezed Light from a Semiconductor Laser with Weak Optical FeedbackReceived 24 October 1994; published in the issue dated 24 April 1995 Amplitude-squeezed states are produced from a room-temperature Fabry-Pérot quantum-well semiconductor laser using a combination of pump suppression and weak, dispersive optical feedback. Up to 0.9 dB of squeezing is measured using a balanced homodyne detector corresponding to 1.5 dB of squeezing at the output facet of the laser. A comparison of the data to theoretical predictions suggests that the excess noise measured under free-running conditions could be a result of incomplete side-mode suppression in combination with asymmetrical cross-mode nonlinear gain saturation. © 1995 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.74.3372
DOI:
10.1103/PhysRevLett.74.3372
PACS:
42.50.Dv, 42.50.Lc, 42.55.Px, 42.60.Mi
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