Ridge Waveguide Laser Integrated with Spot-Size Converter in a Single Step Epitaxial for High Coupling Efficiency to Single-Mode Fibres
HOU Lian-Ping, WANG Wei, ZHU Hong-Liang
National Research Centre for Optoelectronic Technology, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083
Ridge Waveguide Laser Integrated with Spot-Size Converter in a Single Step Epitaxial for High Coupling Efficiency to Single-Mode Fibres
HOU Lian-Ping;WANG Wei;ZHU Hong-Liang
National Research Centre for Optoelectronic Technology, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083
关键词 ：
42.55.Px ,
42.70.Hj ,
42.60.Jf
Abstract ： A 1.55-μm laser diode integrated with a spot-size converter was fabricated in a single step epitaxial by using the conventional photolithography and chemical wet etching process. The device was constructed by a conventional ridge waveguide active layer and a larger passive ridge-waveguide layer. The threshold current was 40mA together with high slope efficiency of 0.24W/A. The beam divergence angles in the horizontal and vertical directions were as small as 12.0°× 15.0°, respectively, resulting in about 3.2-dB coupling losses with a cleaved optical fibre.
Key words ：
42.55.Px
42.70.Hj
42.60.Jf
出版日期: 2005-01-01
:
42.55.Px
(Semiconductor lasers; laser diodes)
42.70.Hj
(Laser materials)
42.60.Jf
(Beam characteristics: profile, intensity, and power; spatial pattern formation)
引用本文:
HOU Lian-Ping;WANG Wei;ZHU Hong-Liang. Ridge Waveguide Laser Integrated with Spot-Size Converter in a Single Step Epitaxial for High Coupling Efficiency to Single-Mode Fibres[J]. 中国物理快报, 2005, 22(1): 114-116.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2005/V22/I1/114
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