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Analysis of the dynamic response of multielement semiconductor lasers

Lang, Robert J. and Yariv, Amnon (1985) Analysis of the dynamic response of multielement semiconductor lasers. IEEE Journal of Quantum Electronics, 21 (10). pp. 1683-1688. ISSN 0018-9197.

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We present a derivation of the dynamic response of a semiconductor laser consisting of more than one active element. We show that the amplitude and phase of the modulated cavity adiabatically follows the complex resonance of the composite cavity; and using this relation, plus linearized carrier equations, we calculate the parameters characterizing the modulation response of the composite system. In the process, "effective" differential gain constants and linewidth enhancement factors arise which take the place of the corresponding parameters in single-element lasers. In the case of a two-section laser, we show that frequency chirping under modulation is present except under special conditions; we identify those conditions and show how chirping can be avoided.

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Additional Information:© Copyright 1985 IEEE. Reprinted with permission. Manuscript received March 18, 1985; revised May 6, 1985. This work was supported by grants from the ITT Corporation, Rockwell, and the National Science Foundation. The work of R. Lang was supported by a fellowship from the National Science Foundation.
Issue or Number:10
Record Number:CaltechAUTHORS:LANieeejqe85b
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:8746
Deposited By: Archive Administrator
Deposited On:12 Sep 2007
Last Modified:02 Oct 2019 23:53

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