High reflectivity broadband infrared mirrors with all dielectric subwavelength gratings

被引：8
|
作者：
Zheng, Gaige [1 ]
Chen, Yulin [1 ]
Xu, Linhua [1 ]
Su, Wei [2 ]
Liu, Yuzhu [3 ]
机构：
[1] Nanjing Univ Informat Sci & Technol, Sch Phys & Optoelect Engn, Nanjing 210044, Jiangsu, Peoples R China
[2] Nanjing Univ Sci & Technol, Sch Sci, Nanjing 210094, Jiangsu, Peoples R China
[3] Paul Scherrer Inst, WSLA 004, CH-5232 Villigen, Switzerland
来源：
OPTICS COMMUNICATIONS | 2014年 / 318卷
基金：
中国国家自然科学基金;
关键词：
Subwavelength grating; High reflectivity; Rigorous electromagnetic simulations; SURFACE-EMITTING LASER; CAVITY;
D O I：
10.1016/j.optcom.2013.12.052
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A high reflectivity (>99%) subwavelength grating mirror (SWGM), yields a very broad reflection spectrum (1.3-2.1 mu m), has been designed for parallel polarized (p-polarized) incident light and evaluated by rigorous electromagnetic simulations. Design-sensitive analysis was made by varying one parameter at one time while keeping the other constant. The operating region of the grating mirror can be adjusted by varying the parameters of grating. The results show that the broadband reflection is unaffected by the refractive index and the thickness of the low index material, which is different from the previous conclusions. Because of its ease of fabrication, the mirror can be integrated with any photonic component with a flat surface, which has potential applications for active and passive photonic devices. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：57 / 60
页数：4
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