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Quantum Electronics and Laser Science Conference

Photon number squeezing in the normal dispersion regime

Dmitriy Krylov, K. Bergman

Published Jan 20, 2003• 0 citations
Publisher

Abstract

Summary form only given. We have experimentally demonstrated a practical possibility of producing amplitude-squeezed light in a non-soliton regime and measured 1.7 +/- 0.1 dB using a highly asymmetric Sagnac interferometer geometry.
DOI
10.1109/qels.1999.807441

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Direct photon-number squeezing is demonstrated, for the first time to our knowledge, in a nonlinear fiber-optic interferometer. Launching 126-fs solitons into a highly asymmetric Sagnac loop, the maximum photocurrent noise reduction was $3.9\ifmmode\pm\else\textpm\fi{}0.2\mathrm{dB}$ below shot noise, corresponding to $6.0\ifmmode\pm\else\textpm\fi{}0.9\mathrm{dB}$, when corrected for linear losses. The loop is a model system for squeezing generated by the interference of two pulses after nonlinear propagation through a fiber.