Tunable optical nanocavity based on modulation of near-field coupling between subwavelength periodic nanostructures

被引：27
|
作者：
Nakagawa, W
Fainman, Y
机构：
[1] Univ Neuchatel, Inst Microtechnol, CH-2000 Neuchatel, Switzerland
[2] Univ Calif San Diego, Dept Elect & Comp Engn, La Jolla, CA 92093 USA
来源：
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2004年 / 10卷 / 03期
基金：
美国国家科学基金会;
关键词：
nanotechnology; optical filters; optical MEMS; optical nanostructures; optical near-field coupling; optical near-field localization; optical propagation in nonhomogeneous media; optical resonators;
D O I：
10.1109/JSTQE.2004.828489
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present the design and analysis of a tunable resonant optical filter based on modulation of the near-field coupling between two subwavelength periodic nanostructures embedded in a Fabry-Perot cavity. Due to the transverse localization of the optical Held in the subwaveleneth gratings, their relative positioning strongly influences the near-field coupling between them and, thus, affects the resonance of the cavity. Rigorous electromagnetic analysis tools are applied to determine the optical characteristics of the filter with respect to the nanostructure lateral alignment, small variations in the shape of the nanostructures, and the physical separation of the nanostructures.
引用
收藏
页码：478 / 483
页数：6
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