Optical gain and high-power operation of edge-emitting lasers based on quantum well-dots

M. V. Maximov,N. Yu. Gordeev,A. S. Payusov,Yu. M. Shernyakov,S. A. Mintairov, N. A. Kalyuzhnyy,A. M. Nadtochiy, A. A. Serin, G. O. Kornyshov,A. E. Zhukov

international conference laser optics（2020）

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摘要

We report on lasers based on InGaAs/GaAs quantum well-dots (QWDs). The density of states in QWDs is unique and different from that of quantum well and quantum dots. Modal gain of QWD ground state transition is as high as 75 cm-1 per layer. Output power of 14.2 W and 50 W in CW and in pulsed modes, respectively were obtained.

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关键词

quantum well-dots, edge-emitting laser, modal gain, high-power laser

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