A mode-locked external-cavity quantum-dot laser with a variable repetition rate

A mode-locked external-cavity laser emitting at 1.17-μm wavelength using an InAs/GaAs quantum-dot gain medium and a discrete semiconductor saturable absorber mirror is demonstrated. By changing the external-cavity length, repetition rates of 854, 912, and 969 MHz are achieved respectively. The narro...

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Bibliographic Details
Published in:Chinese physics B 2013-10, Vol.22 (10), p.305-309
Main Author: 吴剑 金鹏 李新坤 魏恒 吴艳华 王飞飞 陈红梅 吴巨 王占国
Format: Article
Language:English
Subjects:
External-cavity lasers
Gain
InAs
Indium arsenides
Lasers
Quantum dots
Repetition
Semiconductors
Wavelengths
半导体可饱和吸收镜
可变
增益介质
外腔激光器
重复率
量子点激光器
锁模
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Summary:A mode-locked external-cavity laser emitting at 1.17-μm wavelength using an InAs/GaAs quantum-dot gain medium and a discrete semiconductor saturable absorber mirror is demonstrated. By changing the external-cavity length, repetition rates of 854, 912, and 969 MHz are achieved respectively. The narrowest -3-dB radio-frequency linewidth obtained is 38 kHz, indicating that the laser is under stable mode-locking operation.
ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/22/10/104206