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

页码：912 / 915

页数：4

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