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On-chip optical isolator based on unidirectional wavelength-mode conversion waveguide
Liu, Wenlong1,2; Liu, Xuebin1; Yan, Qiangqiang1; Qiang, Simiao1; Pi, Haifeng1; Hu, Bingliang1; Zhang, Lingxuan1,2
Department光谱成像技术实验室
2018-08-10
Source PublicationMODERN PHYSICS LETTERS B
ISSN0217-9849
Volume32Issue:22
Contribution Rank1
Abstract

Breaking Lorentz reciprocity is one necessary condition of optical isolator design. Unidirectional wavelength-mode conversion will be realized in a time-dependent system through a short operating range. Based on plasma dispersion effect, generate space-asymmetric periodical time-space modulation on silicon waveguide, and non-reciprocal propagation is realized in the waveguide. The designed unidirectional wavelength-mode conversion waveguide demonstrated that in the forward direction, input 1.55 mu m fundamental mode light signal and then output 1.5492 mu m is of 1st-order mode, while in the backward direction, input 1.5492 mu m is of 1st-order mode light signal and then output 1.5484 mu m is of fundamental mode. Based on this non-reciprocal structure, mode conversion waveguide and two-ring resonance filters were designed then, to accomplish on-chip optical isolation. The scale of the designed isolator is 160 mu m x 60 mu m, and the isolation is 21 dB, revealing perfect application potential.

KeywordIntegrated Optoelectronics Optical Isolators Wavelength Conversion Light Modulation Conversion Efficiency
DOI10.1142/S0217984918502585
Indexed BySCI
Language英语
WOS IDWOS:000440900800008
PublisherWORLD SCIENTIFIC PUBL CO PTE LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30561
Collection光谱成像技术实验室
Corresponding AuthorZhang, Lingxuan
Affiliation1.Xian Inst Opt & Precis Mech, Xian 710119, Shaanxi, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liu, Wenlong,Liu, Xuebin,Yan, Qiangqiang,et al. On-chip optical isolator based on unidirectional wavelength-mode conversion waveguide[J]. MODERN PHYSICS LETTERS B,2018,32(22).
APA Liu, Wenlong.,Liu, Xuebin.,Yan, Qiangqiang.,Qiang, Simiao.,Pi, Haifeng.,...&Zhang, Lingxuan.(2018).On-chip optical isolator based on unidirectional wavelength-mode conversion waveguide.MODERN PHYSICS LETTERS B,32(22).
MLA Liu, Wenlong,et al."On-chip optical isolator based on unidirectional wavelength-mode conversion waveguide".MODERN PHYSICS LETTERS B 32.22(2018).
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