Generation of optimized wavelength-tunable optical pulse from an uncooled gain-switched Fabry-Perot semiconductor laser using optical amplifier as external light injection

被引：2

作者：

Liu, Yuanshan ^{[1
,2
]}

Zhang, Jianguo ^{[1
,3
]}

Zhao, Wei ^{[1
]}

机构：

[1] Chinese Acad Sci, State Key Lab Transient Opt & Photon, Xian Inst Opt & Precis Mech, Xian 710068, Peoples R China

[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

[3] London S Bank Univ, Dept Elect Comp & Commun Engn, London SE16 OAA, England

来源：

OPTICS COMMUNICATIONS | 2008年 / 281卷 / 19期

关键词：

gain-switched semiconductor laser; external light injection; timing jitter; uncooled fabry-perot laser; low-cost ultrashort optical source; optical communications;

D O I：

10.1016/j.optcom.2008.06.051

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a novel system design that can generate the optimized wavelength-tunable optical pulse streams from an uncooled gain-switched Fabry-Perot semiconductor laser using an optical amplifier as external light source. The timing jitter of gain-switched laser has been reduced from about 3 ps to 600 fs and the pulse width has been optimized by using our system. The stability of the system was also experimentally investigated. Our results show that an uncooled gain-switched FP laser system can feasibly produce the stable optical pulse trains with pulse width of 18 ps at the repetition frequency of 5 GHz during 7 h continuous working. We respectively proved the system feasibility under 1 GHz, 2.5 GHz and 5 GHz operation. (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：4971 / 4974

页数：4

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