Volume 10 Issue 2
Apr.  2017
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Article Contents
GAO Feng, QIN Li, CHEN Yong-yi, JIA Peng, CHEN Chao, LIANG Lei, CHEN Hong, ZHANG Xing, NING Yong-qiang. Reseach progress of bent waveguide and its applications[J]. Chinese Optics, 2017, 10(2): 176-193. doi: 10.3788/CO.20171002.0176
Citation: GAO Feng, QIN Li, CHEN Yong-yi, JIA Peng, CHEN Chao, LIANG Lei, CHEN Hong, ZHANG Xing, NING Yong-qiang. Reseach progress of bent waveguide and its applications[J]. Chinese Optics, 2017, 10(2): 176-193. doi: 10.3788/CO.20171002.0176

Reseach progress of bent waveguide and its applications

doi: 10.3788/CO.20171002.0176
Funds:

National Natural Science Foundation of China 61234004

National Natural Science Foundation of China 11404327

National Natural Science Foundation of China 61306086

National Natural Science Foundation of China 11404327

National Science and Technology Major Project of China 2014ZX04001151

Jilin Province Science and Technology Development Plan Project of China 20150203007GX

Jilin Province Science and Technology Development Plan Project of China 20140101172JC

Jilin Province Science and Technology Development Plan Project of China 20140520132JH

Changchun City Major Scientific Research Project of China 14KG006

Changchun Science and Technology Bureau Project 15SS02

  • Received Date: 12 Oct 2016
  • Rev Recd Date: 14 Nov 2016
  • Publish Date: 01 Apr 2017
  • The loss mechanism of bent waveguide including the bending loss, propagation loss, radiation loss and the loss of mode conversion are theorically analysed in this paper. It focuses on the review of the design of low loss bent waveguide, including materials, the shape of bent waveguide, strip or rib waveguide, the width, height and radius of the bent waveguide, the dismatch of mode, the shape of the curve and other new structures. The representative works on the design and fabrication of low loss bent waveguides are summarized. The development status of the low loss bent waveguide is analysed and its applications in integrated optical are introduced. The future developing trend of bent waveguide is to develope the theory of the loss characterization and wave coupling, and to realize low bending loss with very small bending radii for high desity integration in Photonics Integrated Circuits (PICs).

     

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