Generation of amplitude-squeezed light from a pump-suppressed semiconductor laser with dispersive optical feedback

John E. Kitching; Amnon Yariv; Yaakov Shevy

doi:10.1117/12.208247

26 April 1995 Generation of amplitude-squeezed light from a pump-suppressed semiconductor laser with dispersive optical feedback

John E. Kitching, Amnon Yariv, Yaakov Shevy

Author Affiliations +

Proceedings Volume 2378, Laser Frequency Stabilization and Noise Reduction; (1995) https://doi.org/10.1117/12.208247
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

Amplitude-squeezed states are generated from a room-temperature semiconductor laser using a combination of pump suppression and dispersive optical feedback. The laser amplitude noise is found to be sensitive to extremely weak feedback levels, of the order of 10^-8 of the output power. a reduction of the noise from 2% below the standard quantum limit (SQL) under free-running conditions to 19% below the SQL under optimal feedback conditions is obtained. A single mode theory is presented but is found to be inadequate in explaining the measured dependence of the noise reduction on the feedback power. A multimode theory including asymmetrical cross-mode nonlinear gain is proposed to explain this discrepancy.

Citation Download Citation

John E. Kitching, Amnon Yariv, and Yaakov Shevy "Generation of amplitude-squeezed light from a pump-suppressed semiconductor laser with dispersive optical feedback", Proc. SPIE 2378, Laser Frequency Stabilization and Noise Reduction, (26 April 1995); https://doi.org/10.1117/12.208247

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