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General condition of unidirectional mode conversion in periodic waveguide
Zhang, Lingxuan1,2; Wang, Guoxi1,2; Li, Siqi1,2; Ge, Zhiqiang1,2; Wang, Weiqiang1,2; Sun, Qibing1; Wang, Leiran1,2; Gong, Yongkang3; Zhao, Wei1,2; Zhang, Wenfu1,2
作者部门瞬态光学技术国家重点实验室
2018-11
发表期刊JOURNAL OF OPTICS
ISSN2040-8978;2040-8986
卷号20期号:12
产权排序1
摘要

We present a general analytical theory for unidirectional mode conversion in a periodic waveguide at the sub-wavelength scale. According to this theory, two methods are proposed to achieve the unidirectional mode conversion. One method is to make the spectrum of the permittivity variation function asymmetrically, and the other is to employ the tensor permittivity and realize the non-reciprocal overlap of the coupled modes. Based on these two methods, five unidirectional mode converters are designed and demonstrated. The presented theory provides guidance for design of unidirectional devices in eliminating integrated backscattering, optical circulation and complex communication topology construction.

关键词Unidirectional Propagating Mode Conversion Periodic
DOI10.1088/2040-8986/aaec24
收录类别SCI ; EI
语种英语
WOS记录号WOS:000450650100001
出版者IOP PUBLISHING LTD
EI入藏号20185106267091
引用统计
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/30735
专题瞬态光学研究室
通讯作者Zhang, Wenfu
作者单位1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Cardiff Univ, Cardiff CF10 3AT, S Glam, Wales
推荐引用方式
GB/T 7714
Zhang, Lingxuan,Wang, Guoxi,Li, Siqi,et al. General condition of unidirectional mode conversion in periodic waveguide[J]. JOURNAL OF OPTICS,2018,20(12).
APA Zhang, Lingxuan.,Wang, Guoxi.,Li, Siqi.,Ge, Zhiqiang.,Wang, Weiqiang.,...&Zhang, Wenfu.(2018).General condition of unidirectional mode conversion in periodic waveguide.JOURNAL OF OPTICS,20(12).
MLA Zhang, Lingxuan,et al."General condition of unidirectional mode conversion in periodic waveguide".JOURNAL OF OPTICS 20.12(2018).
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