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Reduction of relative intensity noise of the output field of semiconductor lasers due to propagation in dispersive optical fiber

Marshall, W. K. and Paslaski, J. and Yariv, A. (1996) Reduction of relative intensity noise of the output field of semiconductor lasers due to propagation in dispersive optical fiber. Applied Physics Letters, 68 (18). pp. 2496-2498. ISSN 0003-6951. http://resolver.caltech.edu/CaltechAUTHORS:MARapl96

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Abstract

The effect of dispersive, linear propagation (e.g., in single-mode optical fiber) on the intensity noise from semiconductor lasers is investigated. Relations between the frequency and amplitude noise variations of semiconductor lasers are obtained from the laser rate equations and used to calculate the change in the relative intensity noise (RIN) spectrum that occurs during dispersive propagation. Propagation in fiber with positive dispersion (D>0) over moderate distances (several km for standard single-mode fiber at 1.55 mu m) is found to reduce the RIN over a wide range of frequencies. Measurements with a 1.56 mu m distributed feedback laser confirm the main theoretical results and demonstrate reductions in RIN of up to II dB with 4 km of standard fiber.


Item Type:Article
Additional Information:©1996 American Institute of Physics. Received 4 December 1995; accepted 23 February 1996. The work of two of the authors (W.K.M. and A.Y.) was supported by ARPA and the National Science Foundation.
Subject Keywords:SEMICONDUCTOR LASERS; NOISE; OPTICAL FIBERS; WAVE PROPAGATION; DISPERSIVE MEDIA; DISPERSION RELATIONS
Record Number:CaltechAUTHORS:MARapl96
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:MARapl96
Alternative URL:http://dx.doi.org/10.1063/1.115833
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5902
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:07 Nov 2006
Last Modified:26 Dec 2012 09:16

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