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Analysis of mode-selective coupling between few-mode fibers and waveguides with lateral misalignment
Author(s): Jin Xia Shi; Kai Xin Chen; Kin Seng Chiang
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Paper Abstract

We present an analysis of the effects of lateral misalignment on the performance of butt-coupling between a 6-mode step-index circular-core fiber and a matched 6-mode square-core waveguide. For a typical 6-mode fiber with a core index of 1.4540, a cladding index of 1.4440, and a core diameter of 13.1 μm, low modal crosstalk (–20 dB) butt-coupling can be achieved with a lateral misalignment smaller than about 0.4 μm.

Paper Details

Date Published: 5 November 2018
PDF: 6 pages
Proc. SPIE 10814, Optoelectronic Devices and Integration VII, 108140J (5 November 2018); doi: 10.1117/12.2500814
Show Author Affiliations
Jin Xia Shi, Univ. of Electronic Science and Technology of China (China)
Kai Xin Chen, Univ. of Electronic Science and Technology of China (China)
Kin Seng Chiang, Univ. of Electronic Science and Technology of China (China)
City Univ. of Hong Kong (Hong Kong, China)


Published in SPIE Proceedings Vol. 10814:
Optoelectronic Devices and Integration VII
Xuping Zhang; Baojun Li; Changyuan Yu; Xinliang Zhang, Editor(s)

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