Design and Research of Wide Range Tunable Intracavity Liquid Crystal Vertical Cavity Surface Emitting Laser

LI Bao-zhi; ZOU Yong-gang; WANG Xiao-long; PEI Li-na; SHI Lin-lin; LI Peng-tao; GUAN Bao-lu

doi:10.3788/fgxb20183911.1621

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Design and Research of Wide Range Tunable Intracavity Liquid Crystal Vertical Cavity Surface Emitting Laser

更新时间：2020-08-12

- Design and Research of Wide Range Tunable Intracavity Liquid Crystal Vertical Cavity Surface Emitting Laser
- Chinese Journal of Luminescence Vol. 39, Issue 11, Pages: 1621-1626(2018)
- 作者机构：
  
  1. 长春理工大学高功率半导体激光国家重点实验室,吉林长春,130022
  2. 北京工业大学光电子技术教育部重点实验室北京,100124
- 作者简介：
- 基金信息：
  
  Supported by National Natural Science Foundation of China(61376049,61604007,11674016
- DOI：10.3788/fgxb20183911.1621
  CLC： TN248.4
- Received：20 February 2018，
  
  Revised：24 June 2018，
  
  Published Online：11 June 2018，
  
  Published：05 November 2018
- 稿件说明：
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李保志, 邹永刚, 王小龙等. 宽范围可调谐内腔液晶垂直腔面发射激光器设计与研究[J]. 发光学报, 2018,39(11): 1621-1626

LI Bao-zhi, ZOU Yong-gang, WANG Xiao-long etc. Design and Research of Wide Range Tunable Intracavity Liquid Crystal Vertical Cavity Surface Emitting Laser[J]. Chinese Journal of Luminescence, 2018,39(11): 1621-1626
李保志, 邹永刚, 王小龙等. 宽范围可调谐内腔液晶垂直腔面发射激光器设计与研究[J]. 发光学报, 2018,39(11): 1621-1626 DOI： 10.3788/fgxb20183911.1621.

LI Bao-zhi, ZOU Yong-gang, WANG Xiao-long etc. Design and Research of Wide Range Tunable Intracavity Liquid Crystal Vertical Cavity Surface Emitting Laser[J]. Chinese Journal of Luminescence, 2018,39(11): 1621-1626 DOI： 10.3788/fgxb20183911.1621.

摘要

为增加可调谐激光器的波长调谐范围，提高系统的可靠性和稳定性，基于液晶的电控双折射特性，设计了一种中心波长为852 nm的内腔液晶可调谐垂直腔面发射激光器结构。分析了该结构获得宽范围波长调谐和单偏振稳定输出的物理原理，利用传输矩阵法进一步计算整个器件下不同液晶层厚度所对应的反射谱，得出不同液晶厚度和折射率下激光器的激射波长。结果表明，液晶可调谐激光器单偏振波长调谐范围达到31 nm，调谐效率大于10 nm/V。

Abstract

In order to increase the wavelength tuning range of the tunable laser and improve the reliability and stability of the system

a wavelength tunable vertical cavity surface emitting laser with a central wavelength of 852 nm was designed based on the characteristics of electrically controlled birefringence of liquid crystal. The physical principle that the structure obtained a wide range of wavelength tuning and single polarization stable output was analyzed

and the reflection spectra corresponding to the thickness of different liquid crystal layers under the whole device were further calculated by the transfer matrix method

the lasing wavelength of laser with different thickness and refractive index of liquid crystal was obtained. The results show that the tuning range of the liquid crystal tunable laser with single polarization reaches 31 nm and the tuning efficiency is more than 10 nm/V.

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references

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