Photon-number squeezed solitons from an asymmetric fiber-optic sagnac 
interferometer

Schmitt, S; Ficker, J; Wolff, M; Konig, F; Sizmann, A; Leuchs, Gerd

doi:10.1103/PhysRevLett.81.2446

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Photon-number squeezed solitons from an asymmetric fiber-optic sagnac interferometer

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Citation

Schmitt, S., Ficker, J., Wolff, M., Konig, F., Sizmann, A., & Leuchs, G. (1998). Photon-number squeezed solitons from an asymmetric fiber-optic sagnac interferometer. PHYSICAL REVIEW LETTERS, 81(12), 2446-2449. doi:10.1103/PhysRevLett.81.2446.

Cite as: https://hdl.handle.net/21.11116/0000-0002-97F7-D

Abstract

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 +/- 0.2 dB below shot noise,
corresponding to 6.0 +/- 0.9 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.