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In‐Plane Photonic Crystal Devices using Fano Resonances
Laser & Photonics Reviews ( IF 11.0 ) Pub Date : 2019-11-04 , DOI: 10.1002/lpor.201900054
Dagmawi Bekele 1 , Yi Yu 1 , Kresten Yvind 1 , Jesper Mork 1
Affiliation  

Nanocavity devices enabling concentration of light in a very small volume have resulted in several interesting applications over the past years. Of particular interest are the asymmetric resonance lineshapes known as Fano resonances, which result from the interference between a discrete mode of the nanocavity and a continuum of background modes. Compared to the conventional symmetric Lorentzian lineshape, asymmetric Fano lineshapes enable novel or improved device structures for use in optical switches, sensors, lasers, and narrow band filters. Herein, the use of Fano lineshapes in photonic crystal membranes for realizing various optical signal processing functionalities is reviewed. The basic theory of Fano resonances is presented, different photonic crystal Fano device geometries are discussed, the nonlinear processes empowering the devices are explained, and an overview of all‐optical signal processing demonstrations based on Fano resonances is given.

中文翻译:

使用Fano谐振的平面光子晶体器件

在过去的几年中,能够使光以非常小的体积集中的纳米腔设备已经引起了许多有趣的应用。特别令人感兴趣的是被称为Fano共振的不对称共振线形,它是由纳米腔的离散模式和背景模式的连续体之间的干扰引起的。与常规的对称洛伦兹线形相比,非对称的Fano线形可实现新颖或改进的器件结构,用于光开关,传感器,激光器和窄带滤波器。本文中,综述了在光子晶体膜中使用Fano线形来实现各种光信号处理功能。介绍了Fano共振的基本原理,讨论了不同的光子晶体Fano器件的几何形状,
更新日期:2019-11-04
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