Magneto-optical coaxial waveguide with toroidal magnetization

被引：1
|
作者：
Gusev, Nikolay A. [1 ,2 ]
Kalish, Andrey N. [1 ,3 ]
Zvezdin, Anatoly K. [1 ,2 ]
Belotelov, Vladimir I. [1 ,3 ]
机构：
[1] Russian Quantum Ctr, Novaya St 100, Skolkovo 143025, Moscow Region, Russia
[2] Russian Acad Sci, Prokhorov Gen Phys Inst, Vavilov St 38, Moscow 119991, Russia
[3] Lomonosov Moscow State Univ, Fac Phys, Leninskie Gori, Moscow 119991, Russia
来源：
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2016年 / 33卷 / 08期
基金：
俄罗斯基础研究基金会;
关键词：
FERRITE; PROPAGATION; MODES; SLAB;
D O I：
10.1364/JOSAB.33.001789
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Plasmonic and guided modes of a waveguide constituted by metal walls and a magnetic dielectric core are investigated to reveal how their dispersion and optical field distribution are influenced by a toroidal (azimuthal) magnetization of the core. A phenomenon of the magneto-optical nonreciprocity both in wavenumber and in attenuation coefficient is identified and investigated. It is shown that in the coaxial golden waveguide with the iron-garnet core the nonreciprocity effect reaches maximal values for the plasmonic modes at frequencies above 3 x 10(15) rad/s. The effect is of opposite sign for the two types of the plasmonic modes and its value can be tuned by adjusting the geometrical parameters. (C) 2016 Optical Society of America
引用
收藏
页码：1789 / 1795
页数：7
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