Optical feedback stabilization of a self-mode-locked quantum dot laser

被引：0
|
作者：
Stutz, Sebastian [1 ]
Auth, Dominik [1 ]
Weber, Christoph [1 ]
Nikiforov, Oleg [1 ]
Walther, Thomas [1 ]
Breuer, Stefan [1 ]
机构：
[1] Tech Univ Darmstadt, Inst Appl Phys, Schlossgartenstr 7, D-64289 Darmstadt, Germany
来源：
MATERIALS TODAY-PROCEEDINGS | 2019年 / 7卷
关键词：
Self mode-locking; semiconductor laser; quantum-dot laser; optical feedback; radio-frequency linewidth; timing jitter; SEMICONDUCTOR-LASER;
D O I：
10.1016/j.matpr.2018.12.093
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, the impact of fine-delay tunable dual-cavity optical self-feedback (DC-OFB) on the pulse timing stability and pulse repetition rate (RR) frequency of a 1 mm long single-section self-mode-locked quantum-dot (QD) laser emitting at 1255 nm is studied experimentally and by simulation. By tuning both microscopic dual-cavity delay lengths, we find a maximum RR tuning range of 70 MHz. A two-fold periodic structure is apparent every 25 ps which corresponds to the internal round trip time of the laser. A timing jitter (TJ) reduction by a factor of 16 down to 3.5 fs is obtained. Simulation results reproduce the experimentally observed RR trends with a good qualitative and quantitative agreement. (C) 2019 Elsevier Ltd. All rights reserved.
引用
收藏
页码：912 / 915
页数：4
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