Effect of layer thickness variations in a distributed-Bragg-reflector mirror on the phase of the reflected light
- 15 May 1990
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 15 (10), 526-528
- https://doi.org/10.1364/ol.15.000526
Abstract
We present an analytical derivation of the phase change of the reflection coefficient of a distributed-Bragg-reflector mirror when the thickness of a layer in the mirror changes. These phase changes are additive, as has been verified by an exact numerical calculation using transmission matrices. Such a phase change will affect the lasing wavelength of vertical-cavity surface-emitting lasers and the center wavelength of various integrated Bragg devices.Keywords
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