Interference of guided modes in a two-port ring waveguide composed of dielectric nanoparticles

被引：8
|
作者：
Polishchuk, I. Ya. [1 ,2 ,3 ]
Gozman, M. I. [2 ,3 ]
Blaustein, Gail S. [3 ]
Burin, A. L. [3 ]
机构：
[1] Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany
[2] RRC Kurchatov Inst, Moscow 123182, Russia
[3] Tulane Univ, Dept Chem, New Orleans, LA 70118 USA
来源：
PHYSICAL REVIEW E | 2010年 / 81卷 / 02期
关键词：
OPTICAL MODES; ELECTROMAGNETIC SCATTERING; MICROSTRIP RING; ARRAYS; RESONATOR; TRANSPORT; AGGREGATE; SPHERES; CHAINS;
D O I：
10.1103/PhysRevE.81.026601
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
The interference is considered of guided polariton modes in a two-port ring waveguide composed of dielectric nanospheres. The dependence of the guided polariton intensity on the relative orientation of the input and output channels is investigated. It is shown that, if the frequency of the external light source corresponds to one of the resonant modes of the waveguide ring segment, the guided polariton may be treated as two optical beams running along the ring segment in the opposite directions and interfering with each other. The multisphere Mie scattering formalism is used. The dipole approximation is shown to grasp the essence of physics. Our simple interpretation of the results is obtained in terms of scalar waves. The applications of the interference revealed in the manuscript are discussed as well.
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页数：7
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