Photonics 2016, 3(1), 11; doi:10.3390/photonics3010011
Lateral Modes in Quantum Cascade Lasers
1
GCD Associates, Albuquerque, NM 87110, USA
2
The Boeing Company, Albuquerque, NM 87117, USA
*
Author to whom correspondence should be addressed.
Received: 18 February 2016 / Revised: 4 March 2016 / Accepted: 18 March 2016 / Published: 22 March 2016
(This article belongs to the Special Issue Quantum Cascade Lasers - Advances and New Applications)
Abstract
We will examine the waveguide mode losses in ridge-guided quantum cascade lasers. Our analysis illustrates how the low-loss mode for broad-ridge quantum cascade lasers (QCLs) can be a higher-order lateral waveguide mode that maximizes the feedback from the sloped ridge-wall regions. The results are in excellent agreement with the near- and far-field data taken on broad-ridge-guided quantum cascade lasers processed with sloped ridge walls. View Full-TextKeywords:
quantum cascade lasers; ridge-guided; lateral modes
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Dente, G.C.; Tilton, M. Lateral Modes in Quantum Cascade Lasers. Photonics 2016, 3, 11.
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