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Proceedings Paper

Classical model for the noise properties of distributed optical amplifiers
Author(s): Philippe B. Gallion; Virginie Dallot; Edouard Bridoux
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Paper Abstract

Adopting a new classical approach, the additive noise power generated in optical amplifiers is calculated in terms of power spectral density. The classical formalism used combines a coruscular approach to a phase-amplitude description of the optical field. The noise contributions of the input field fluctuations, including zero-point fluctuations, and of the electron momentum fluctuations at optical frequency linked to the amplifier itself, are clearly identified. The excess of noise associated to coupling or built-in losses is determinated. The well-known result of the Amplified Spontaneous Emission (ASE) is obtained for the laser amplifiers. This description is applied to linear phase-insensitive amplifiers and to inhomogeneous, nonlinear phase-insensitive Raman amplifier, pointing out the effects of gain compression and gain distribution. This new approach makes possible the treatment of the squeezed-state of light and the quadrature reduced noise amplifications.

Paper Details

Date Published: 17 October 2001
PDF: 12 pages
Proc. SPIE 4581, Passive Components and Transmission Systems, (17 October 2001); doi: 10.1117/12.445036
Show Author Affiliations
Philippe B. Gallion, Ecole Nationale Superieure des Telecommunications (France)
Virginie Dallot, Ecole Nationale Superieure des Telecommunications (France)
Edouard Bridoux, Ecole Nationale Superieure des Telecommunications (France)

Published in SPIE Proceedings Vol. 4581:
Passive Components and Transmission Systems
Chongcheng Fan; Norman S. Kwong, Editor(s)

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