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Quantum Cascade Lasers: Controlling and Phase-Locking a THz Quantum Cascade Laser Frequency Comb by Small Optical Frequency Tuning (Laser Photonics Rev. 15(6)/2021)
Laser & Photonics Reviews ( IF 11.0 ) Pub Date : 2021-06-10 , DOI: 10.1002/lpor.202170033
Luigi Consolino , Annamaria Campa , Michele De Regis , Francesco Cappelli , Giacomo Scalari , Jérôme Faist , Mattias Beck , Markus Rösch , Saverio Bartalini , Paolo De Natale

In article number 2000417, Luigi Consolino and co-workers demonstrate a novel degree of freedom for controlling the emission of quantum cascade lasers (QCLs). It is based on small optical frequency tuning (SOFT) by means of a white LED. The slightly perturbative regime accessible in these conditions allows tweaking the semiconductor complex refractive index. The resulting additional tuning knob is capable of phase stabilizing the modes spacing of a QCL comb.
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中文翻译:

量子级联激光器:通过小型光学频率调谐控制和锁相太赫兹量子级联激光频率梳(激光光子学修订版 15(6)/2021)

在文章编号 2000417 中,Luigi Consolino 及其同事展示了控制量子级联激光器 (QCL) 发射的新自由度。它基于通过白色 LED 进行的小型光学频率调谐 (SOFT)。在这些条件下可访问的轻微扰动机制允许调整半导体复折射率。由此产生的附加调谐旋钮能够使 QCL 梳的模式间隔相位稳定。
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更新日期:2021-06-10
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