Abstract

We develop a method for analyzing the lateral modes of broad-ridge quantum cascade lasers (QCLs) that incorporate an intracavity lateral constriction. The calculations provide results that are in good agreement with the recent data taken on broad-ridge QCLs that incorporate such lateral constrictions. We conclude by providing design principles for broad-ridge QCLs that implement an intracavity lateral constriction.

© 2017 Optical Society of America

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