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Conferences > CLEO > 2010 > CThE > CThE2

Reduced Threshold and High Temperature Operation in Single-Mode Ring Cavity Surface Emitting Quantum Cascade Lasers

E. Mujagić, C. Schwarzer, M. Nobile, H. Detz, S. Ahn, W. Schrenk, J. Chen, C. Gmachl, and G. Strasser

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Abstract

Reduced threshold currents and high temperature operation in surface emitting quantum cascade lasers are demonstrated by using ring-based cavities. The devices exhibit robust and tunable single-mode operation as well as low divergence symmetric beams.

© 2010 Optical Society of America

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