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Author:

Zhang, X. (Zhang, X..) | Cui, N. (Cui, N..) | Liu, Y. (Liu, Y..) | Wen, Y. (Wen, Y..) | Wang, H. (Wang, H..) | Guan, B. (Guan, B..)

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Abstract:

Stable polarization has been regarded as a key element for improving the beam quality of vertical cavity surface emitting lasers (VCSELs). However, gain isotropy in the active layer of VCSELs ineluctably leads to the uncertainty of the polarization direction. In this paper, a liquid crystal (LC)-VCSEL laser with polarization control characteristics is designed and fabricated based on the optical rotation effect and electrically controlled birefringence characteristics of orthogonal LC. The experimental results show that, electrically controlled LC could flexibly realize the scheme of polarization stable output and the switching ratio of polarization output could reach 164:1. Based on the electrically controlled birefringence characteristics of LC, the linear polarization angle of VCSEL is further regulated by applying a deflection voltage, and the polarization angle tuning range is between 0° and 90°. © 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement.

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Author Community:

  • [ 1 ] [Zhang X.]Key Laboratory of Opto-electronic Technology, Ministry of Education, Beijing University of Technology, Beijing, 100124, China
  • [ 2 ] [Cui N.]Key Laboratory of Opto-electronic Technology, Ministry of Education, Beijing University of Technology, Beijing, 100124, China
  • [ 3 ] [Liu Y.]Key Laboratory of Opto-electronic Technology, Ministry of Education, Beijing University of Technology, Beijing, 100124, China
  • [ 4 ] [Wen Y.]Key Laboratory of Opto-electronic Technology, Ministry of Education, Beijing University of Technology, Beijing, 100124, China
  • [ 5 ] [Wang H.]Key Laboratory of Opto-electronic Technology, Ministry of Education, Beijing University of Technology, Beijing, 100124, China
  • [ 6 ] [Guan B.]Key Laboratory of Opto-electronic Technology, Ministry of Education, Beijing University of Technology, Beijing, 100124, China

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Source :

OSA Continuum

ISSN: 2578-7519

Year: 2023

Issue: 5

Volume: 2

Page: 1231-1241

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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