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Proceedings Paper

Design Of Distributed Feedback(DFB) Laser-Based External Cavity Structures For Coherent Communications
Author(s): Harish R. D. Sunak; Clark P. Engert
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Paper Abstract

Critical parameter combinations, which govern the reduction of the linewidth and tunability in a DFB laser-based external cavity structure, are determined by a mathematical model. The coupling coefficient, operating point of the DFB laser, refractive index and the external cavity length are found to greatly determine the absolute linewidth of this structure. An optimum continuous tuning range of 55 GHz is predicted. However, the usable tuning range is much smaller as will be seen.

Paper Details

Date Published: 23 February 1989
PDF: 11 pages
Proc. SPIE 0988, Components for Fiber Optic Applications III and Coherent Lightwave Communications, (23 February 1989); doi: 10.1117/12.959762
Show Author Affiliations
Harish R. D. Sunak, University of Rhode Island (United States)
Clark P. Engert, University of Rhode Island (United States)


Published in SPIE Proceedings Vol. 0988:
Components for Fiber Optic Applications III and Coherent Lightwave Communications
Paul M. Kopera; Harish R. Sunak, Editor(s)

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