High-power InGaAs/GaAsP strained quantum well vertical-cavity surface-emitting laser array

LIU Di; NING Yong-qiang; ZHANG Jin-long; ZHANG Xing; WANG Li-jun

doi:10.3788/OPE.20122010.2147

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High-power InGaAs/GaAsP strained quantum well vertical-cavity surface-emitting laser array

Article | 更新时间：2020-08-12

- High-power InGaAs/GaAsP strained quantum well vertical-cavity surface-emitting laser array
- Optics and Precision Engineering Vol. 20, Issue 10, Pages: 2147-2153(2012)
- 作者机构：
  
  1. 中国科学院大学北京,中国,100049
  2. 中国科学院长春光学精密机械与物理研究所发光学及应用国家重点实验室,吉林长春,130033
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20122010.2147
  CLC： TN248.1
- Received：11 May 2012，
  
  Revised：15 June 2012，
  
  Published：10 October 2012
- 稿件说明：
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刘迪, 宁永强, 张金龙, 张星, 王立军. 高功率InGaAs/GaAsP应变量子阱垂直腔面发射激光器列阵[J]. 光学精密工程, 2012,20(10): 2147-2153

LIU Di, NING Yong-qiang, ZHANG Jin-long, ZHANG Xing, WANG Li-jun. High-power InGaAs/GaAsP strained quantum well vertical-cavity surface-emitting laser array[J]. Editorial Office of Optics and Precision Engineering, 2012,20(10): 2147-2153
刘迪, 宁永强, 张金龙, 张星, 王立军. 高功率InGaAs/GaAsP应变量子阱垂直腔面发射激光器列阵[J]. 光学精密工程, 2012,20(10): 2147-2153 DOI： 10.3788/OPE.20122010.2147.

LIU Di, NING Yong-qiang, ZHANG Jin-long, ZHANG Xing, WANG Li-jun. High-power InGaAs/GaAsP strained quantum well vertical-cavity surface-emitting laser array[J]. Editorial Office of Optics and Precision Engineering, 2012,20(10): 2147-2153 DOI： 10.3788/OPE.20122010.2147.

摘要

为提高垂直腔面发射激光器(VCSEL)的输出功率

对具有3个In

0.2

0.8

As/GaAs

0.92

0.08

应变量子阱结构

发射波长为977 nm的VCSEL列阵进行了研究。对量子阱结构进行了优化

选择具有更宽带隙的GaAsP作为势垒材料

计算了In

0.2

0.8

As/GaAs

0.92

0.08

量子阱的带阶。对采用In

0.2

0.8

As/GaAs

0.92

0.08

和In

0.2

0.8

As/GaAs两种量子阱结构的器件的输出功率进行了理论模拟和比较分析。分别测试了上述两个列阵器件的脉冲峰值功率并利用由开启电压、阈值电流和串联电阻决定的

参数评估了列阵器件的输出性能。实验结果表明

当注入电流为110 A时

发光面积为0.005 cm

的In

0.2

0.8

As/GaAs

0.92

0.08

44 VCSEL 列阵获得了123 W的脉冲峰值功率

比具有相同发光面积的In

0.2

0.8

As/GaAs列阵器件的脉冲峰值功率大13%

前者相应的功率密度和斜率效率分别为45.42 kW/cm

和1.11 W/A。连续和脉冲工作下的

值分别为15和13

表明器件在两种工作条件下都具有相对较好的输出性能。得到的结果证明

包含3个In

0.2

0.8

As/GaAs

0.92

0.08

应变量子阱的44VCSEL列阵器件能够获得较高的功率输出。

Abstract

To improve the output powers of Vertical Cavity Surface Emitting Lasers (VCSELs)

a 977 nm VCSEL array with three In

0.2

0.8

As/GaAs

0.92

0.08

strained Quantum Wells(QWs) was studied. The structures of the QWs were optimized and GaAsP with a larger band gap was chosen as the barrier material

and the band offsets of In

0.2

0.8

As/GaAs

0.92

0.08

were calculated. The output powers of the devices which used In

0.2

0.8

As/GaAs

0.92

0.08

and In

0.2

0.8

As/GaAs QWs were simulated theoretically and analyzed comparetively

respectively and the pulsed peak powers of two array devices were measured. Then

the performance of the array device was estimated by a functional method using a

-parameter determined by the turn-on voltage

threshold current

and the differential resistance. Experimental results show that the 44 VCSEL array with In

0.2

0.8

As/GaAs

0.92

0.08

QWs and an emitting area of 0.005 cm

can achieve a pulsed peak power of 123 W when the injecting current is 110 A

and its power density and slope efficiency are 45.42 kW/cm

and 1.11 W/A

respectively. This output power is 13% larger than that of the array with In

0.2

0.8

As/GaAs QWs and the same emitting area. Furthermore

the values of

parameter are 15 and 13 under CW operation and pulsed operation

respectively

which indicates that the device has relatively good performance. In conclusion

the 44 VCSEL array with three In

0.2

0.8

As/GaAs

0.92

0.08

strained QWs is able to achieve higher output powers.

关键词

Keywords

references

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