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Proceedings Paper

Single Mode Laser Spectral Spread Repercussion In Single-Mode Optical Fiber Coherent Detection Systems
Author(s): P. Gallion; F. J. Mendieta; C. Chabran
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Paper Abstract

Single frequency laser source phase noise constitutes a limitation in single-mode optical fiber coherent detection systems such as heterodyne communication receivers and optical fiber interferometric sensors. We investigate the phase noise affecting the beat photocurrent produced by the coherent detection of a single frequency laser field with a time-delayed and frequency-shifted image of itself in a heterodyne interferometer. The photocurrent spectrum is discussed as a function of the source lineshape and interferometer decorrelation time. An experimental study is retorted consisting of a single-mode fiber Mach-Zender interferometer employing a single-frequency laser and an acousto-optical modulation for frequency-shifting one of the interferometer arms. Results are in good agreement with theory.

Paper Details

Date Published: 16 June 1983
PDF: 5 pages
Proc. SPIE 0369, Max Born Centenary Conf, (16 June 1983); doi: 10.1117/12.934419
Show Author Affiliations
P. Gallion, Ecole Nationale Superieure des Telecommunications (France)
F. J. Mendieta, Ecole Nationale Superieure des Telecommunications (France)
C. Chabran, Ecole Nationale Superieure des Telecommunications (France)

Published in SPIE Proceedings Vol. 0369:
Max Born Centenary Conf
M. John Colles; D. William Swift, Editor(s)

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