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1.3 mu m InGaAlAs/InP laser integrated with laterally tapered SSC in a reverse mesa shape

2021-11-25

 

Author(s): La, XB (La, Xiaobo); Zhu, XY (Zhu, Xuyuan); Guo, J (Guo, Jing); Zhao, LJ (Zhao, Lingjuan); Wang, W (Wang, Wei); Liang, S (Liang, Song)

Source: OPTICS EXPRESS Volume: 29 Issue: 23 Pages: 37653-37660 DOI: 10.1364/OE.438449 Published: NOV 8 2021

Abstract: We report 1.3 mu m InGaAlAs/InP lasers integrated with laterally tapered spot size converter (SSC) in reverse mesa shape. Because the top width is significantly larger than the bottom width for the reverse mesa ridge, high quality SSCs having narrow tip width can be fabricated through conventional photolithography with a high reproductivity. The Threshold current of the fabricated 1000 mu m long SSC integrated device is 25 mA and 44 mW single facet optical power can be obtained at 300 mA current. The lateral and vertical divergence angles are as low as 8 degrees and 11 degrees, respectively. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

Accession Number: WOS:000716468800053

PubMed ID: 34808833

ISSN: 1094-4087

Full Text: https://www.osapublishing.org/oe/fulltext.cfm?uri=oe-29-23-37653&id=462703



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