NDLI: Proposal for Ultra-Compact Silicon-on-Insulator Waveguide Polarization Converter

Content Provider	IEEE Xplore Digital Library
Author	Wei Xu Weimin Ye Xiaodong Yuan Zhihong Zhu Qisheng Lu
Copyright Year	1989
Abstract	We propose an asymmetric silicon-plasmonic hybrid waveguide, which supports two eigen modes with linearly polarized-like electric field distributions and large difference between their propagation constants. Exploiting these mode characteristics of the hybrid waveguide, an ultra-compact and high-performance silicon-on-insulator (SOI) waveguide polarization converter based on multimode interference is designed, which converts quasi-TE polarization mode to quasi-TM polarization mode. Simulation results show that polarization extinction ratio up to 27 dB is reached for an ultra-short conversion length of 610 nm. The bandwidth is 140 nm for an extinction ratio larger than 20 dB. This asymmetric silicon-plasmonic hybrid waveguide may open promising prospects for further minimizing integrated optical circuits on SOI platform.
Sponsorship	IEEE Lasers and Electro-Optics Society
Starting Page	447
Ending Page	450
Page Count	4
File Size	621371
File Format	PDF
ISSN	10411135
Volume Number	26
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical waveguides Silver Silicon Nanowires Extinction ratio Strips Electric fields polarization-selective devices Integrated optics
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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