Harmonic mode-locking in a Tm-doped fiber laser: Characterization of its timing jitter and ultralong starting dynamics

被引：13

作者：

Bao, Chengying ^{[1
]}

Yang, Changxi ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Precis Instruments, State Key Lab Precis Measurement Technol & Instru, Beijing 100084, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2015年 / 356卷

基金：

中国国家自然科学基金;

关键词：

Harmonic mode-locking; Tm-doped fiber laser; Timing jitter; GENERATION; OPERATION;

D O I：

10.1016/j.optcom.2015.08.037

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report an experimental characterization on harmonic mode-locking in a Tm-doped fiber laser, which exhibits pump related timing jitter and ultralong mode-locking starting dynamics. The laser is pumped by a laser diode seeded EDFA. Harmonic mode-locking is initiated by nonlinear polarization rotation and showed a good long term stability. Timing jitter is found to be significantly influenced by the properties of laser diode seed for the EDFA. When switching the seed from a Fabry-Perot cavity laser diode to a distributed feedback (DFB) laser diode, timing jitter decreases from 16 Ps to 6 ps. It also takes the laser an ultralong self-starting time ( > 100 s), 3 order of magnitude longer than typical Er-doped or Yb-doped fiber lasers, to reach a steady harmonic mode-locking in some cases. These experimental evidences can contribute to a better understanding of Tm-doped fiber lasers. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：463 / 467

页数：5

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