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Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
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Research Progress of Horizontal Cavity Surface-Emitting Laser.
Jishun Liu1,2, Yue Song1,2, Yongyi Chen1,2,3
1State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China.
Sensors (Basel, Switzerland)
|June 10, 2023
Summary
Horizontal cavity surface emitting lasers (HCSELs) offer high power and beam quality, overcoming limitations of traditional lasers. This review details HCSEL technology, development, and future prospects.
Area of Science:
- Optoelectronics
- Semiconductor Lasers
Background:
- Traditional edge-emitting semiconductor lasers suffer from large divergence angles.
- Horizontal cavity surface emitting lasers (HCSELs) present a solution for high-power, high-beam-quality lasers.
- HCSELs offer advantages in packaging and integration.
Purpose of the Study:
- To introduce the technical scheme of HCSELs.
- To review the development status of HCSELs.
- To analyze the structure, working principles, and performance characteristics of HCSELs.
Main Methods:
- Analysis of different HCSEL structures and their key technologies.
- Description of HCSEL optical properties.
- Review of current development status and performance metrics.
Main Results:
- HCSELs fundamentally resolve the large divergence angle issue.
- Demonstration of HCSELs as a feasible scheme for high-power, small-divergence-angle lasers.
- Detailed analysis of structural characteristics and optical properties.
Conclusions:
- HCSELs represent a significant advancement in semiconductor laser technology.
- Discussion of potential development prospects for HCSELs.
- Identification of challenges and future research directions for HCSELs.
