Extracting more light for vertical emission: high power continuous wave operation of 1.3-μm quantum-dot photonic-crystal surface-emitting laser based on a flat band

Huan-Yu Lu; Si-Cong Tian; Cun-Zhu Tong; Li-Jie Wang; Jia-Min Rong; Chong-Yang Liu; Hong Wang; Shi-Li Shu; Li-Jun Wang

doi:10.1038/s41377-019-0214-2

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Extracting more light for vertical emission: high power continuous wave operation of 1.3-μm quantum-dot photonic-crystal surface-emitting laser based on a flat band

Letter

- Extracting more light for vertical emission: high power continuous wave operation of 1.3-μm quantum-dot photonic-crystal surface-emitting laser based on a flat band
- Light: Science & Applications Vol. 8, Issue 6, Pages: 944-949(2019)
- Affiliations：
  
  1.State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, 130033 Changchun, China
  2.The University of Chinese Academy of Sciences, 100049 Beijing, China
  3.Bimberg Chinese-German Center for Green Photonics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, 130033 Changchun, China
  4.National Key Laboratory for Electronic Measurement Technology, School of Instrument and Electronics, North University of China, 030051 Taiyuan, China
  5.Temasek Laboratories, Nanyang Technological University, 50 Nanyang Drive, 637553 Singapore, Singapore
  6.Nanyang Technological University, 50 Nanyang Drive, 637553 Singapore, Singapore
- Author bio：
  
  Cun-Zhu Tong (tongcz@ciomp.ac.cn)
- Funds：
- DOI：10.1038/s41377-019-0214-2
  CLC：
- Published：2019，
  
  Published Online：22 November 2019，
  
  Received：20 April 2019，
  
  Revised：15 October 2019，
  
  Accepted：30 October 2019
- Accepted：
Scan QR Code
Lu, H. Y. et al. Extracting more light for vertical emission: high power continuous wave operation of 1.3-μm quantum-dot photonic-crystal surface-emitting laser based on a flat band. Light: Science & Applications, 8, 944-949 (2019).
DOI：

Lu, H. Y. et al. Extracting more light for vertical emission: high power continuous wave operation of 1.3-μm quantum-dot photonic-crystal surface-emitting laser based on a flat band. Light: Science & Applications, 8, 944-949 (2019). DOI： 10.1038/s41377-019-0214-2.

摘要

Abstract

For long distance optical interconnects

1.3-μm surface-emitting lasers are key devices. However

the low output power of several milliwatts limits their application. In this study

by introducing a two-dimensional photonic-crystal and using InAs quantum dots as active materials

a continuous-wave

13.3-mW output power

1.3-μm wavelength

room-temperature surface-emitting laser is achieved. In addition

such a device can be operated at high temperatures of up to 90 ℃. The enhanced output power results from the flat band structure of the photonic crystal and an extra feedback mechanism. Surface emission is realized by photonic crystal diffraction and thus the distributed Bragg reflector is eliminated. The proposed device provides a means to overcome the limitations of low-power 1.3-μm surface-emitting lasers and increase the number of applications thereof.

关键词

Keywords

references

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