Influence of optical feedback on an optical pulse shape of a semiconductor laser

被引：0
|
作者：
Boltanskii, M. V. [1 ,3 ]
Maksimova, E. I. [1 ]
Fadeev, M. A. [4 ,5 ]
Shakhovoy, R. A. [1 ,2 ,6 ]
机构：
[1] Ltd Liabil Co QRate, Moscow, Russia
[2] Moscow Tech Univ Commun & Informat, Moscow, Russia
[3] Peoples Friendship Univ Russia, Moscow, Russia
[4] Russian Quantum Ctr, Skolkovo, Moscow, Russia
[5] ITMO Univ, St Petersburg, Russia
[6] Natl Univ Sci & Technol MISIS, NTI Ctr Quantum Commun, Moscow, Russia
来源：
ST PETERSBURG POLYTECHNIC UNIVERSITY JOURNAL-PHYSICS AND MATHEMATICS | 2024年 / 17卷 / 03期
关键词：
gain-switched laser; optical feedback; laser pulse interference; CHAOS;
D O I：
10.18721/JPM.173.145
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Gain-switched semiconductor lasers can produce pulses with naturally randomized phase, which makes them a convenient light source for quantum key distribution and random number generation. Nevertheless, semiconductor lasers are vulnerable to external optical feedback, a phenomenon, characterized by injection of a certain part of laser radiation into the laser's diode cavity. Although optical feedback may be used to decrease relaxation oscillations and chirp, it may have negative effect on laser pulses. Here, we study the influence of optical feedback on the pulse shape of a gain-switched laser.
引用
收藏
页码：224 / 228
页数：5
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