Spatial localization of electromagnetic modes in noise-like random one-dimensional dielectric heterostructures

被引：3
|
作者：
Escorcia-Garcia, J. [1 ]
Becerra-Garcia, D. [2 ]
Mora-Ramos, M. E. [3 ]
机构：
[1] IPN, CINVESTAV, CONACYT, Unidad Saltillo, Av Ind Met 1062,Parque Ind, Ramos Arizpe 25900, Mexico
[2] Univ Politecn Estado Guerrero, Comunidad Puente Campuzano, Carretera Fed Iguala Taxco Km 105, Guerrero 40321, Mexico
[3] Univ Autonoma Estado Morelos, Ctr Invest & Ciencias, Inst Invest Ciencias Basicas & Aplicadas, Av Univ 1001, Cuernavaca 62209, Morelos, Mexico
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2017年 / 34卷 / 02期
关键词：
OMNIDIRECTIONAL REFLECTION; PHOTONIC CRYSTALS; POROUS SILICON; BAND-GAP; ANDERSON LOCALIZATION; OPTICAL-ABSORPTION; FREQUENCY-RANGE; LIGHT; ENLARGEMENT; DISORDER;
D O I：
10.1364/JOSAB.34.000507
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate the propagation of electromagnetic signals in a new type of layered system denominated by noiselike random heterostructures designed on the basis of porous silicon layers. The photonic bandgap can be modulated with the noise amplitude. These structures are suitable for spatial localization of electromagnetic modes, depending on the noise amplitude and seed of generation, reaching values of a few tens in the confined relative field intensity in structures simulated, including losses. Absorption causes the selective spatial localization of modes close to the surface of incidence. This kind of heterostructure could be used in photonics and laser applications. (C) 2017 Optical Society of America
引用
收藏
页码：507 / 515
页数：9
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