Sub-shot-noise measurement with fiber-squeezed optical pulses
- 15 April 1993
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 18 (8), 643-645
- https://doi.org/10.1364/ol.18.000643
Abstract
A novel scheme employing two pulses separated by a short time delay is used to cancel the phase noise from guided-acoustic-wave Brillouin scattering in a fiber ring interferometer. The dual-pulse-excited fiber ring is used to generate squeezed vacuum that, when injected into a measuring Mach–Zehnder interferometer, improves its sensitivity by 3 dB beyond the shot-noise limit.Keywords
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