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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 14, Iss. 11 — Nov. 1, 1975
  • pp: 2650–2652

Gain saturation in distributed feedback lasers

H. A. Haus  »View Author Affiliations


Applied Optics, Vol. 14, Issue 11, pp. 2650-2652 (1975)
http://dx.doi.org/10.1364/AO.14.002650


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Abstract

An approximate method is presented for the analysis of overcoupled distributed feedback lasers. A closed form expression is obtained for the power emitted by a laser normalized to the saturation power in terms of the loss coefficient αL, small signal gain coefficient α0, coupling parameter κ, and length of the laser L. The result is compared with published computer solutions, and good agreement is obtained in the range |κ|L > 4; qualitative agreement extends to |κ|L = 1. The closed form expression is adapted to predict the saturation behavior of leaky-wave lasers.

© 1975 Optical Society of America

History
Original Manuscript: June 9, 1975
Published: November 1, 1975

Citation
H. A. Haus, "Gain saturation in distributed feedback lasers," Appl. Opt. 14, 2650-2652 (1975)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-14-11-2650

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