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Proceedings Paper

Numerical modeling of inhomogeneously pumped circular-grating distributed feedback (DFB) lasers
Author(s): Keith J. Kasunic; E. M. Wright; Nasser Peyghambarian
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Paper Abstract

We report on the spectral properties of an inhomogeneously-pumped circular-grating distributed-feedback semiconductor laser. Numerically modeling the exact coupled-mode equations, we find that, in comparison with the homogeneous case, a Gaussian optical pump results in greater azimuthal mode discrimination, a broader multi-mode spectral envelope, and a wider fundamental linewidth.

Paper Details

Date Published: 10 April 1995
PDF: 10 pages
Proc. SPIE 2398, Circular-Grating Light-Emitting Sources, (10 April 1995); doi: 10.1117/12.206338
Show Author Affiliations
Keith J. Kasunic, Optical Sciences Ctr./Univ. of Arizona (United States)
E. M. Wright, Optical Sciences Ctr./Univ. of Arizona (United States)
Nasser Peyghambarian, Optical Sciences Ctr./Univ. of Arizona (United States)

Published in SPIE Proceedings Vol. 2398:
Circular-Grating Light-Emitting Sources
S. Iraj Najafi; Mahmoud Fallahi; Nasser Peyghambarian, Editor(s)

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