短腔长 7.5-8.0 μm 范围量子级联激光器的单模发射特性

IF 0.8 4区物理与天体物理 Q4 PHYSICS, APPLIED

Technical Physics Letters Pub Date : 2024-03-14 DOI:10.1134/s106378502301008x

A. V. Babichev, E. S. Kolodeznyi, A. G. Gladyshev, D. V. Denisov, N. Yu. Kharin, A. D. Petruk, V. Yu. Panevin, S. O. Slipchenko, A. V. Lyutetskii, L. Ya. Karachinsky, I. I. Novikov, N. A. Pikhtin, A. Yu. Egorov

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引用次数: 0

摘要

摘要通过调制法布里-珀罗腔中的输出光损耗，证明了在量子级联激光器中实现单模发射的可能性。在 7.5-8.0 μm 光谱范围的有源区，采用了双声子共振设计，因此，50 级和基于磷化铟的波导层使得在 292 K 温度下实现 7.765 μm 单模激光成为可能。侧模抑制比约为 24 dB，并且随着泵浦电流增加到阈值电流的 1.2 而保持不变。在单模激光条件下，波长随温度变化（温度调谐）的系数为 0.56 nm/K。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Features of Single-Mode Emission in 7.5–8.0 μm Range Quantum-Cascade Lasers with a Short Cavity Length

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Features of Single-Mode Emission in 7.5–8.0 μm Range Quantum-Cascade Lasers with a Short Cavity Length

Abstract

The possibility of realizing single-mode emission in quantum-cascade lasers due to modulation of output optical losses in a Fabry–Perot cavity is demonstrated. For the active region of the 7.5–8.0 μm spectral range, the two- phonon resonance design was used, thus, 50 stages and waveguide layers based on indium phosphide made it possible to realize single-mode 7.765 μm lasing at the temperature of 292 K. Side-mode suppression ratio was about 24 dB and remained the same with an increase in the current pumping up to 1.2 of the threshold current values. The coefficient of wavelength shift with temperature (temperature tuning) in the single-mode lasing regime was 0.56 nm/K.

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来源期刊

Technical Physics Letters 物理-物理：应用

CiteScore

1.50

自引率

0.00%

发文量

审稿时长

2-4 weeks

期刊介绍： Technical Physics Letters is a companion journal to Technical Physics and offers rapid publication of developments in theoretical and experimental physics with potential technological applications. Recent emphasis has included many papers on gas lasers and on lasing in semiconductors, as well as many reports on high Tc superconductivity. The excellent coverage of plasma physics seen in the parent journal, Technical Physics, is also present here with quick communication of developments in theoretical and experimental work in all fields with probable technical applications. Topics covered are basic and applied physics; plasma physics; solid state physics; physical electronics; accelerators; microwave electron devices; holography.