All-fiber fused-type mode selective coupler with high performance and free of pre-tapering

Jie Wang, Hongdan Wan, Zuoqin Ding, Zuxing Zhang, Bing Sun, Lin Zhang

Research output: Chapter in Book/Published conference outputConference publication

Abstract

In this paper we propose and demonstrate a novel all-fiber fused-type mode selective coupler (MSC) that capable of converting LP01 mode to LP11 mode with high efficiency and purity. Unlike other coupler fabrication techniques for which single mode fiber (or few mode fiber) must be pre-tapered, the advantage of our proposed coupler is that pre-tapering is not required. Two different fibers of the MSC have the same diameter. We achieve LP11 mode with a high modal purity of > 90% and a coupling efficiency of >20%, with a low insertion loss of about 0.3 dB at the wavelength of 1064 nm.

Original languageEnglish
Title of host publicationICOCN 2017 - 16th International Conference on Optical Communications and Networks
PublisherIEEE
Pages1-3
Number of pages3
Volume2017-January
ISBN (Electronic)9781538632734
DOIs
Publication statusE-pub ahead of print - 1 Dec 2017
Event16th International Conference on Optical Communications and Networks, ICOCN 2017 - Wuzhen, China
Duration: 7 Aug 201710 Aug 2017

Conference

Conference16th International Conference on Optical Communications and Networks, ICOCN 2017
Country/TerritoryChina
CityWuzhen
Period7/08/1710/08/17

Bibliographical note

© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Funding: National Science Foundation of Jiangsu Province (Nos. BK20150858,
BK20161521), NUPTSF (Nos. NY214059, NY213083), the Distinguished Professor Project of Jiangsu (No. RK002STP14001), the Six Talent Peaks Project in
Jiangsu Province (No. 2015-XCL-023), the Talents Projects in Nanjing University of Posts and Telecommunications (Nos. NY214002, NY215002).

Keywords

  • Few mode fiber
  • Mode selective coupler
  • Phase match
  • Weak fusion

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