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Polarization-independent circulator based on ferrite and plasma materials in two-dimensional photonic crystal.

We propose a type of polarization-independent circulator based on ferrite and plasma materials in a two-dimensional photonic crystal (PhC) slab. First, on the basis of analyzing the wave equations in ferrite and plasma materials, TE and TM circulators are realized with ferrite and plasma in PhCs, re... Full description

Journal Title: Scientific reports May 18, 2018, Vol.8(1), p.7827
Main Author: Xi, Xiang
Other Authors: Lin, Mi , Qiu, Wenbiao , Ouyang, Zhengbiao , Wang, Qiong , Liu, Qiang
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 2045-2322 ; DOI: 10.1038/s41598-018-26189-8
Link: http://search.proquest.com/docview/2041624721/?pq-origsite=primo
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title: Polarization-independent circulator based on ferrite and plasma materials in two-dimensional photonic crystal.
format: Article
creator:
  • Xi, Xiang
  • Lin, Mi
  • Qiu, Wenbiao
  • Ouyang, Zhengbiao
  • Wang, Qiong
  • Liu, Qiang
subjects:
  • Plasma
  • Polarization
  • Mathematical Models
ispartof: Scientific reports, May 18, 2018, Vol.8(1), p.7827
description: We propose a type of polarization-independent circulator based on ferrite and plasma materials in a two-dimensional photonic crystal (PhC) slab. First, on the basis of analyzing the wave equations in ferrite and plasma materials, TE and TM circulators are realized with ferrite and plasma in PhCs, respectively. Then, by properly combining these two types of circulators together, a polarization-independent circulator is achieved and investigated. The results show that, for both polarizations, the insertion loss and isolation for the polarization-independent circulator are less than 0.15 dB and more than 20 dB, respectively. Finite-element method is used to calculate the characteristics of the circulators and Nelder-Mead optimization method is employed to obtain the optimized parameters. The idea presented here may have potential applications in integrated photonic circuits and devices.
language: eng
source:
identifier: E-ISSN: 2045-2322 ; DOI: 10.1038/s41598-018-26189-8
fulltext: fulltext
issn:
  • 20452322
  • 2045-2322
url: Link


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titlePolarization-independent circulator based on ferrite and plasma materials in two-dimensional photonic crystal.
creatorXi, Xiang ; Lin, Mi ; Qiu, Wenbiao ; Ouyang, Zhengbiao ; Wang, Qiong ; Liu, Qiang
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descriptionWe propose a type of polarization-independent circulator based on ferrite and plasma materials in a two-dimensional photonic crystal (PhC) slab. First, on the basis of analyzing the wave equations in ferrite and plasma materials, TE and TM circulators are realized with ferrite and plasma in PhCs, respectively. Then, by properly combining these two types of circulators together, a polarization-independent circulator is achieved and investigated. The results show that, for both polarizations, the insertion loss and isolation for the polarization-independent circulator are less than 0.15 dB and more than 20 dB, respectively. Finite-element method is used to calculate the characteristics of the circulators and Nelder-Mead optimization method is employed to obtain the optimized parameters. The idea presented here may have potential applications in integrated photonic circuits and devices.
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