Microdisk Injection Lasers for the 1.27-μm Spectral Range

N. V. Kryzhanovskaya,M. V. Maximov,S. A. Blokhin,M. A. Bobrov, M. M. Kulagina,S. I. Troshkov,Yu. M. Zadiranov,A. A. Lipovskii,E. I. Moiseev,Yu. V. Kudashova,D. A. Livshits, V. M. Ustinov,A. E. Zhukov

Semiconductors（2016）

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摘要

Microdisk injection lasers on GaAs substrates, with a minimum diameter of 15 μm and an active region based on InAs/InGaAs quantum dots, are fabricated. The lasers operate in the continuous-wave mode at room temperature without external cooling. The lasing wavelength is around 1.27 μm at a minimum threshold current of 1.6 mA. The specific thermal resistance is estimated to be 5 × 10–3 °C cm 2 /W.

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关键词

GaAs,Quantum Well,Pump Current,Whisper Gallery Mode,Threshold Current Density

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