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Analysis of directional emission in square resonator lasers with an output waveguide
Wei Zhao; Yongzhen Huang
2007
Source PublicationChinese Optics Letters
Volume5Issue:8Pages:463-465
AbstractSquare microcavity laser with an output waveguide is proposed and analyzed by the finite-difference time-domain (FDTD) technique. For a square resonator with refractive index of 3.2, side length of 4 microns, and output waveguide of 0.4-micron width, we have got the quality factors (Q factors) of 6.7×10~2 and 7.3×10~3 for the fundamental and first-order transverse magnetic (TM) mode near the wavelength of 1.5 microns, respectively. The simulated intensity distribution for the first-order TM mode shows that the coupling efficiency in the waveguide reaches 53%. The numerical simulation shows that the first-order transverse modes have fairly high Q factor and high coupling efficiency to the output waveguide. Therefore the square resonator with an output waveguide is a promising candidate to realize single-mode directional emission microcavity lasers.
metadata_83institute of semiconductors, chinese academy of sciences
Subject Area光电子学
Funding OrganizationNational Natural Science Foundation of China(No.6 225 11),the Major State Basic Research Program(No.2 6CB3 28 4).
Indexed ByCSCD
Language英语
CSCD IDCSCD:3133548
Date Available2010-11-23
Citation statistics
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/16149
Collection中国科学院半导体研究所(2009年前)
Recommended Citation
GB/T 7714
Wei Zhao,Yongzhen Huang. Analysis of directional emission in square resonator lasers with an output waveguide[J]. Chinese Optics Letters,2007,5(8):463-465.
APA Wei Zhao,&Yongzhen Huang.(2007).Analysis of directional emission in square resonator lasers with an output waveguide.Chinese Optics Letters,5(8),463-465.
MLA Wei Zhao,et al."Analysis of directional emission in square resonator lasers with an output waveguide".Chinese Optics Letters 5.8(2007):463-465.
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