Multi-Band-Stop Filter for Single-Photon Transport Based on a One-Dimensional Waveguide Side Coupled with Optical Cavities

被引:5
|
作者
Dong, Guangda [1 ,2 ]
Zhang, Yongyou [1 ,2 ]
Donegan, John F. [3 ,4 ]
Zou, Bingsuo [1 ,2 ]
Song, Yong [5 ]
机构
[1] Beijing Inst Technol, Beijing Key Lab Nanophoton & Ultrafine Optoelect, Beijing 100081, Peoples R China
[2] Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
[3] Trinity Coll Dublin, Sch Phys, Dublin 2, Ireland
[4] CRANN, Dublin 2, Ireland
[5] Beijing Inst Technol, Sch Optoelect, Beijing 100081, Peoples R China
基金
爱尔兰科学基金会;
关键词
Multi-band-stop filter; Electromagnetically induced transparency; One-dimensional waveguide; FANO RESONANCE; RESONATORS; SYSTEMS;
D O I
10.1007/s11468-014-9718-z
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A model of a multi-band-stop filter is proposed for single-photon transport, using a one-dimensional waveguide side coupled with a series of optical cavities. Its transmission behavior is theoretically studied by a real-space model Hamiltonian and is found to depend on cavity mode frequencies, cavity relative phases, as well as cavity number and the coupling strength between the waveguide and the optical cavities. With proper cavity-mode frequencies and relative phases, the proposed model shows multi-band-stop regions and a rectangular transmission spectrum. Based on these phenomena, optical filters with more than one band-stop regions are simulated with gold material in the THz and communication band.
引用
收藏
页码:1085 / 1089
页数:5
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