Colliding-pulse mode-locked semiconductor laser with a multimode-interference waveguide amplifier

被引：1
作者：
Chen, CC
Kiang, YW
Yang, CC
机构：
[1] Natl Taiwan Univ, Grad Inst Commun Engn, Dept Elect Engn, Taipei 10764, Taiwan
[2] Natl Taiwan Univ, Grad Inst Electroopt Engn, Taipei 10764, Taiwan
来源：
OPTICS COMMUNICATIONS | 2000年 / 177卷 / 1-6期
关键词：
semiconductor lasers; colliding-pulse mode locking;
D O I：
10.1016/S0030-4018(00)00582-4
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate numerically a novel colliding-pulse mode-locking (CPM) technique for semiconductor laser without using a saturable absorber. A multimode-interference (MMI) semiconductor optical amplifier (SOA) is used as the gain medium and the mode locker. Efficient pulse compression and stabilization of the two counter-propagating pulses are achieved based on the nonlinear-coupling effect, assisted with pulse collision, in the MMI SOA. Two initially different pulses tend to adjust each other, resulting in symmetric collision of two identical pulses. Such efficient pulse compression and stabilization mechanisms should lead to simple implementation of CPM semiconductor lasers. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：363 / 368
页数：6
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