Quantum cascade laser master-oscillator power-amplifier with 1.5 W output power at 300 K.

Stefan Menzel,Laurent Diehl,Christian Pflügl,Anish Goyal,Christine Wang,Antonio Sanchez,George Turner,Federico Capasso

OPTICS EXPRESS（2011）

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摘要

We report quantum cascade laser (QCL) master-oscillator power-amplifiers (MOPAs) at 300 K reaching output power of 1.5 W for tapered devices and 0.9 W for untapered devices. The devices display single-longitudinal-mode emission at lambda = 7.26 mu m and single-transverse-mode emission at TM00. The maximum amplification factor is 12 dB for the tapered devices. (C) 2011 Optical Society of America

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