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Conferences > CLEO_SI > 2017 > STh4O > STh4O.3

Narrow-Beam, 4.7 μm-Emitting Near-Resonant Leaky-Wave-Coupled Quantum Cascade Laser Phase-Locked Array

C. Sigler, C. Boyle, J. D. Kirch, D. Lindberg, T. Earles, J. Myers, R. Bedford, D. Botez, and L. J. Mawst

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Abstract

Narrow beam (3.2 x D.L. FWHM) is demonstrated up to 5.85 W pulsed output power from a five-element phase-locked array of 4.7 μm-emitting quantum cascade lasers. Devices are fabricated by a two-step MOCVD process and operate predominately in an in-phase array mode, in agreement with design simulation studies.

© 2017 Optical Society of America

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