外腔反馈对量子点激光器输出特性的影响

龙睿; 王海龙; 成若海; 龚谦; 严进一; 汪洋; 陈朋; 宋志棠; 封松林

doi:10.3788/fgxb20133404.0474

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外腔反馈对量子点激光器输出特性的影响

器件制备及器件物理 | 更新时间：2020-08-12

- 外腔反馈对量子点激光器输出特性的影响
- Influence of External Cavity Feedback on The Output Characteristics of Quantum-dot Lasers
- 发光学报 2013年34卷第4期页码：474-479
- 作者机构：
  
  1. 山东省激光偏光与信息技术重点实验室曲阜师范大学物理系, 山东曲阜 273165
  2. 中科院上海微系统与信息技术研究所信息功能材料国家重点实验室, 上海 200050
- 作者简介：
- 基金信息：
  
  国家自然科学基金(60976015,61176065)();山东省自然科学基金 (ZR2010FM023)();信息功能材料国家重点实验开放课题资助项目()
- DOI：10.3788/fgxb20133404.0474
  中图分类号： TN243;TN248
- 收稿日期：2012-12-18，
  
  修回日期：2013-01-25，
  
  网络出版日期：2012-12-31，
  
  纸质出版日期：2013-04-10
- 稿件说明：
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龙睿, 王海龙, 成若海, 龚谦, 严进一, 汪洋, 陈朋, 宋志棠, 封松林. 外腔反馈对量子点激光器输出特性的影响[J]. 发光学报, 2013,34(4): 474-479

LONG Rui, WANG Hai-long, CHENG Ruo-hai, GONG Qian, YAN Jin-yi, WANG Yang, CHEN Peng, SONG Zhi-tang, FENG Song-lin. Influence of External Cavity Feedback on The Output Characteristics of Quantum-dot Lasers[J]. Chinese Journal of Luminescence, 2013,34(4): 474-479
龙睿, 王海龙, 成若海, 龚谦, 严进一, 汪洋, 陈朋, 宋志棠, 封松林. 外腔反馈对量子点激光器输出特性的影响[J]. 发光学报, 2013,34(4): 474-479 DOI： 10.3788/fgxb20133404.0474.

LONG Rui, WANG Hai-long, CHENG Ruo-hai, GONG Qian, YAN Jin-yi, WANG Yang, CHEN Peng, SONG Zhi-tang, FENG Song-lin. Influence of External Cavity Feedback on The Output Characteristics of Quantum-dot Lasers[J]. Chinese Journal of Luminescence, 2013,34(4): 474-479 DOI： 10.3788/fgxb20133404.0474.

摘要

在对光栅外腔量子点激光器进行理论研究的基础上

分析了外腔反馈对Littrow型光栅外腔量子点激光器输出功率、调谐范围等输出特性的影响

发现器件参数的选择对外腔激光器的性能影响很大。对外腔激光器的输出功率和调谐范围进行了理论计算

并与实验结果进行了对比。计算得到的外腔激光器的输出功率与实验结果符合得很好

忽略了非线性增益相关的增益抑制的单模调谐范围理论计算值稍小于实验结果。

Abstract

External-cavity lasers (ECLs) play an essential role in numerous areas such as optical telecommunication

environment monitoring

medical treatment

and spectroscopy. Due to unique features of the quantum dot material

i.e.

low density of states and broad gain profile

quantum dot lasers are really suitable for high performance ECLs. The frequency stability and the linewidth can be improved by using an external cavity. However

optical feedback may cause instabilities. It is important to know the characteristics of a semiconductor laser with external optical feedback in such systems. The common Littrow-type external cavity laser contains a collimating lens and a diffraction grating as the end mirror. The first-order diffracted beam provides optical feedback to the laser diode chip

and the emission wavelength can be tuned by rotating the diffraction grating. In this paper

the theory of grating external cavity quantum dot lasers is discussed. The influences of external cavity feedback on output power and maximum tuning range of the Littrow-type external cavity quantum dot laser are analyzed. Device parameters have a significant impact on the external cavity laser performance. Output power and tuning range of external cavity quantum dot lasers are numerically simulated and compared with the experimental results. The theoretical results of output power agree well with the experimental data

and the tuning range value is slightly less than the experimental results without considering the suppression relative to nonlinear gain.

关键词

Keywords

references

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