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Mode and lasing characteristics for scissor-FP hybrid-cavity semiconductor lasers

2019-11-21

 

Author(s): Ye, YQ (Ye, Ya-Qian); Tang, M (Tang, Min); Zhang, YH (Zhang, Yong-Heng); Yang, YD (Yang, Yue-De); Xiao, JL (Xiao, Jin-Long); Huang, YZ (Huang, Yong-Zhen)

Source: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS Volume: 36 Issue: 11 Pages: 3009-3015 DOI: 10.1364/JOSAB.36.003009 Published: NOV 1 2019

Abstract: Hybrid-cavity semiconductor lasers consisting of a Fabry-Perot (FP) cavity with one side connected to a scissor-shaped microcavity are proposed and demonstrated to achieve lasing mode control. Single-mode lasing and dual-mode lasing can be achieved for the laser by adjusting the scissor-cavity and the FP-cavity injection currents. Dual-mode operation is experimentally verified with a mode interval varied from 8.06 to 11.01 nm by varying the scissor-cavity current, and agrees well with the mode simulation by the finite element method, for a laser with the FP cavity length of 300 mu m and the scissor microcavity of two deformed rings with radii of 15 and 8 mu m. In addition, single-mode lasing with a side- mode suppression ratio of 27 dB is achieved with awavelength tuning from 1554.98 to 1559.84 nm by varying the scissor-cavity current. (C) 2019 Optical Society of America

Accession Number: WOS:000493941200010

ISSN: 0740-3224

eISSN: 1520-8540

Full Text: https://www.osapublishing.org/josab/abstract.cfm?uri=josab-36-11-3009



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