Optimized sub-wavelength grating mirror design for mid-infrared wavelength range

被引：13
|
作者：
Chevallier, C. [1 ]
Fressengeas, N. [1 ]
Genty, F. [1 ]
Jacquet, J. [1 ]
机构：
[1] Univ Paul Verlaine Metz & Supelec, Unite Rech Commune, Lab Mat Opt Photon & Syst, F-57070 Metz, France
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2011年 / 103卷 / 04期
关键词：
2.3; MU-M; SURFACE-EMITTING LASER; ULTRABROADBAND; REFLECTORS; VCSEL;
D O I：
10.1007/s00339-010-6059-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Several designs of sub-wavelength grating mirrors adapted to mid-infrared operation are reported with several percents of tolerance for the grating fabrication. These designs have been automatically optimized by the use of a genetic-based algorithm to maximize a quality factor defined to meet the requirements of a VCSEL cavity mirror. These mirrors are devoted to integration in VCSEL operating near lambda=2.3 mu m, with a large bandwidth, very high reflectivity coefficient for transverse magnetic mode only, polarization selectivity and a thickness as low as 2 mu m.
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页码：1139 / 1144
页数：6
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