Influence of mode symmetry on quality factors of degenerate states in microlasers with an equilateral triangle resonator
Chen Q; Huang YZ; Guo WH; Chen, Q, Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, POB 912, Beijing 100083, Peoples R China.
2005
会议名称Conference on Semiconductor and Organic Optoelectronic Materials and Devices
会议录名称SEMICONDUCTOR AND ORGANIC OPTOELECTRONIC MATERIALS AND DEVICES丛书标题: PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE)
页码5624: 504-514
会议日期NOV 09-11, 2004
会议地点Beijing, PEOPLES R CHINA
出版地1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA
出版者SPIE-INT SOC OPTICAL ENGINEERING
ISSN0277-786X
ISBN0-8194-5578-4
部门归属chinese acad sci, inst semicond, state key lab integrated optoelect, beijing 100083, peoples r china
摘要Modes in equilateral triangle resonator (ETR) are analyzed and classified according to the irreducible representations of the point group C-3v., Both the analytical method based on the far field emission and the numerical method by FDTD technique are used to calculate the quality factors (Q-factors) of the doubly degenerate states in ETR. Results obtained from the two methods are in reasonable agreement. Considering the different symmetry properties of the doubly degenerate eigenstates, we also discuss the ETR joined with an output waveguide at one of the vertices by FDTD technique and the Pade approximation. The variation of Q-factors versus width of output waveguide is analyzed. The numerical results show that doubly degenerate eigenstates of TM0.36 and TM0.38 whose wavelengths are around 1.5 mu m in the resonator with side-length of 5 mu m have the Q-factors larger than 1000 when the width of the output waveguide is smaller than 0.4 mu m. When the width of the output waveguide is set to 0.3 mu m, the symmetrical states that are more efficiently coupled to output waveguide have Q-factors about 8000, which are over 3 times larger than those of asymmetric state.
关键词Microcavity
学科领域光电子学
主办者SPIE.; Chinese Opt Soc.; China Inst Commun.; Beijing Assoc Commun & Informat.; Beijing Univ Posts & Telecommun.; IEEE COMSOC.; IEEE LEOS.; Commun Inst China, Opt Commun Tech Comm.; Opt Soc Amer.; Tsinghua Univ.
收录类别其他
语种英语
文献类型会议论文
条目标识符http://ir.semi.ac.cn/handle/172111/10136
专题中国科学院半导体研究所(2009年前)
通讯作者Chen, Q, Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, POB 912, Beijing 100083, Peoples R China.
推荐引用方式
GB/T 7714
Chen Q,Huang YZ,Guo WH,et al. Influence of mode symmetry on quality factors of degenerate states in microlasers with an equilateral triangle resonator[C]. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA:SPIE-INT SOC OPTICAL ENGINEERING,2005:5624: 504-514.
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