Narrow-linewidth Tunable Semiconductor Lasers Based on Dual-lens External-cavity Structure

FENG Zhi-qing; BAI Lan; WANG Ning; GAO Lei; CHEN Bo; ZHANG Xu-ming

doi:10.3788/fgxb20123310.1138

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Narrow-linewidth Tunable Semiconductor Lasers Based on Dual-lens External-cavity Structure

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- Narrow-linewidth Tunable Semiconductor Lasers Based on Dual-lens External-cavity Structure
- Chinese Journal of Luminescence Vol. 33, Issue 10, Pages: 1138-1142(2012)
- 作者机构：
  
  1. 华为技术有限公司,广东深圳,518000
  2. 香港理工大学应用物理系, 香港 999077
  3. 大连民族学院机电信息工程学院, 辽宁大连 116600
  4. 大连民族学院物理与材料工程学院,辽宁大连,116600
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20123310.1138
  CLC： TN248.4
- Received：15 July 2012，
  
  Revised：13 August 2012，
  
  Published：10 October 2012
- 稿件说明：
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冯志庆, 白兰, 王宁, 高磊, 陈波, 张需明. 基于双透镜外腔结构的窄线宽可调谐半导体激光器[J]. 发光学报, 2012,(10): 1138-1142

FENG Zhi-qing, BAI Lan, WANG Ning, GAO Lei, CHEN Bo, ZHANG Xu-ming. Narrow-linewidth Tunable Semiconductor Lasers Based on Dual-lens External-cavity Structure[J]. Chinese Journal of Luminescence, 2012,(10): 1138-1142
冯志庆, 白兰, 王宁, 高磊, 陈波, 张需明. 基于双透镜外腔结构的窄线宽可调谐半导体激光器[J]. 发光学报, 2012,(10): 1138-1142 DOI： 10.3788/fgxb20123310.1138.

FENG Zhi-qing, BAI Lan, WANG Ning, GAO Lei, CHEN Bo, ZHANG Xu-ming. Narrow-linewidth Tunable Semiconductor Lasers Based on Dual-lens External-cavity Structure[J]. Chinese Journal of Luminescence, 2012,(10): 1138-1142 DOI： 10.3788/fgxb20123310.1138.

摘要

设计了一种具有独特双透镜外腔结构的可调谐窄线宽激光器

利用一个温控50GHz的标准具提供ITU标准波长序列

通过一个压电陶瓷驱动的Fabry-Pérot可调谐滤波器选择一个标准波长实现单波长输出。实验结果表明:该激光器的调谐范围达到了1525~1580nm

覆盖整个C波段

线宽为37.5kHz

400mA电流条件下的输出功率超过50mW

边模抑制比超过50dB

达到或超过相干通讯应用的要求和其他单片集成类器件的指标。另外

本结构具有位置容差大、调谐速度快(＜3ms)、易于实现超窄线宽以及波长微调等优点

待实现小型化和标准封装

其大规模应用将成为可能。

Abstract

A narrow-linewidth tunable laser based on a unique dual-lens external-cavity structure was reported

in which a thermally-tuned 50 GHz etalon was utilized to provide standard ITU-grid wavelengths and a PZT-actuated tunable Fabry-Pérot filter to select wavelength.In experiment

the laser wavelength could be tuned from 1 525 to 1 580 nm

covering the whole C band.And it measured a linewidth of 37.5 kHz

an output power ＞50 mW at the 400 mA pump current

a SMSR > 50 dB and a tuning speed ＜3 ms.The performance is superior to the requirements of coherent communication applications and the reported planar waveguide-based counterparts.Moreover

the dual-lens structure bears other merits such as high positioning tolerance and potential for ultra-narrow linewidth.It may have a wide application after miniaturization and standard packaging.

关键词

Keywords

references

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