垂直外腔面发射半导体激光器的双波长调控研究
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作者单位:

1.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;2.中国科学院大学材料与光电研究中心,北京100049;3.长春中科长光时空光电技术有限公司,吉林 长春 130102

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基金项目:

国家自然基金(62104225, 61874117, 11674314),国家重点研发计划项目(2018YFB0504600),吉林省科技发展计划项目(20200401006GX)。


Switchable dual-wavelength vertical-external-cavity surface- emitting laser
Author:
Affiliation:

1.State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China;2.Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China;3.Ace Photonics, Co., Ltd., Changchun 130102, China

Fund Project:

Supported by National Natural Science Foundation of China(62104225, 61874117, 11674314), National Key Research and Development Program of China(2018YFB0504600), Science and Technology Program of Jilin Province(20200401006GX).

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    摘要:

    本文报道了一种结构紧凑的垂直外腔面发射激光器(vertical-external-cavity surface- emitting laser,VECSEL)及其双波长调控。通过调控泵浦光功率,实现了VECSEL输出的两个激光波长之间的相互转换,双波长的间隔接近50nm。VECSEL的输出功率曲线呈现明显的两次翻转,翻转点对应了激射波长的转换。这是由于泵浦功率变化改变了增益芯片内部的温度,进而通过热调谐使得发光区增益峰值被调谐到腔模的不同位置。在0℃时,每个激射波长的最大输出功率都在1.5W以上。随着泵浦功率的改变,激射波长可以在950nm和1000 nm之间切换,同时还可以在1.5W以上的功率水平下实现双波长同时激射。这种可切换波长及双波长同时激射的VECSEL器件在光调制、差频等领域有较大应用潜力。

    Abstract:

    This paper presents the design method and test results of a switchable dual-wavelength vertical-external-cavity surface-emitting laser (VECSEL). The two lasing wavelengths with the separation of 50 nm are generated at different pumping powers using one single gain chip. During the operation of the VECSEL, the thermal rollover of output power is observed twice. The first rollover indicates the first switch of lasing wavelength, which is due to the temperature rise within the gain chip and its tuned gain spectrum. The maximum output power of each emitting wavelength exceeds 1.5W at 0°C. The lasing wavelength can be switched between 950 nm and 1000 nm with the change of pump power, and dual-wavelength emission with output power of more than1.5W is demonstrated. We believe that this kind of switchable dual-wavelength VECSEL device has great application potential as dual-wavelength laser sources for providing technical support for mid-infrared radiation.

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  • 收稿日期:2022-01-12
  • 最后修改日期:2022-07-07
  • 录用日期:2022-02-25
  • 在线发布日期: 2022-06-30
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