Conditions for laser oscillations in distributed-feedback waveguides
- 1 July 1973
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 23 (1), 28-30
- https://doi.org/10.1063/1.1654724
Abstract
An analysis of laser action in a waveguide configuration with a bulk periodic complex index variation or a corrugated surface structure is presented. Simple analytical expressions are obtained for the effective gain parameter per unit length and the coupling constant which measures the degree of feedback. Our results are compared with the recent work of Kogelnik and Shank as well as that of Wang.Keywords
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