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American Institute of Physics, Applied Physics Letters, 12(96), p. 121105

DOI: 10.1063/1.3371721

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Semiconductor snail lasers

This paper is available in a repository.
This paper is available in a repository.

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Abstract

A modified ring laser geometry is presented to promote stable unidirectional lasing. The effects of directional coupling and facet reflectivities are investigated with respect to quantum efficiency, directionality, and side-mode suppression ratio of the lasing spectra. Simulation and experimental results are presented showing single mode (>20 dB side-mode suppression ratio), unidirectional lasing on an InP based multiple quantum well material.