Spectral Dynamics of Quantum Cascade Lasers Generating Frequency Combs in the Long-Wavelength Infrared Range

被引：2
|
作者：
Dudelev, V. V. [1 ]
Mikhailov, D. A. [1 ]
Babichev, A. V. [1 ]
Losev, S. N. [1 ]
Kognovitskaya, E. A. [1 ,2 ]
Lyutetskii, A. V. [1 ]
Slipchenko, S. O. [1 ]
Pikhtin, N. A. [1 ]
Gladyshev, A. G. [3 ]
Denisov, D. V. [2 ]
Novikov, I. I. [1 ,3 ,4 ]
Karachinsky, L. Ya. [1 ,3 ,4 ]
Kuchinskii, V. I. [1 ]
Egorov, A. Yu. [4 ]
Sokolovskii, G. S. [1 ]
机构：
[1] Ioffe Inst, St Petersburg 194021, Russia
[2] St Petersburg State Electrotech Univ LETI, St Petersburg 197376, Russia
[3] Connector Opt LLC, St Petersburg 194292, Russia
[4] ITMO Univ, St Petersburg 197101, Russia
来源：
TECHNICAL PHYSICS | 2020年 / 65卷 / 08期
关键词：
D O I：
10.1134/S106378422008006X
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have studied the spectral and dynamic characteristics of quantum cascade lasers emitting in the long-wavelength infrared range. It is shown that lasers with a short cavity (similar to 1 mm) make it possible to obtain frequency combs in a very wide spectral range. We have investigated the spectral dynamics in the frequency comb generation regime. It is demonstrated that the intensity of longitudinal laser modes varies during a pump pulse propagation. We have observed simultaneous generation of all longitudinal modes of a frequency comb over a pump pulse segment with a constant amplitude.
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收藏
页码：1281 / 1284
页数：4
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