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Linewidth reduction and frequency stabilization of semiconductor lasers using dispersive losses in an atomic vapor

Iannelli, John M. and Shevy, Y. and Kitching, J. and Yariv, Amnon (1993) Linewidth reduction and frequency stabilization of semiconductor lasers using dispersive losses in an atomic vapor. IEEE Journal of Quantum Electronics, 29 (5). pp. 1253-1261. ISSN 0018-9197. http://resolver.caltech.edu/CaltechAUTHORS:IANieeejqe93

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Abstract

The effects of a dispersive loss on the linewidth and chirp of a semiconductor laser are discussed. A van der Pol analysis is used to obtain expressions for linewidth reduction and chirp reduction in an arbitrary optical feedback configuration. Specifically, the use of an atomic cesium vapor as a dispersive loss mechanism is considered. The dominant factor in reducing the linewidth and chirp is shown to be the frequency-dependent phase change from the atomic vapor. However, it is shown that under certain operating conditions the frequency-dependent amplitude changes from the atomic vapor also contribute to the reduction. The results are shown to be in agreement with a detailed rate equation calculation.


Item Type:Article
Additional Information:© Copyright 1993 IEEE. Reprinted with permission. Manuscript received May 26, 1992; revised October 12, 1992. This work was supported by DARPA, ONR, and AFOSR. The work of J. Kitching was supported by NSERC Canada. We thank M. Nakamura and N. Chinone of Hitachi’s Central Research Laboratories for donation of the lasers used in the experimental investigations of this work.
Subject Keywords:feedback control; laser frequency stability; laser theory; optical dispersion; optical losses; semiconductor lasers; spectral line breadth
Record Number:CaltechAUTHORS:IANieeejqe93
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:IANieeejqe93
Alternative URL:http://dx.doi.org/10.1109/3.236139
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:6086
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:17 Nov 2006
Last Modified:26 Dec 2012 09:17

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