Polarization dependent cladding modes coupling and spectral analyses of excessively tilted fiber grating

Abstract

We report on the detailed analyses of mode coupling from fiber core to cladding in excessively tilted fiber gratings (ETFGs). Cladding modes responsible for the typical dual peak pairs in the transmission spectrum of ETFGs are identified with phase matching condition, which suggests two set of dual peak pairs generated from coupling to cladding modes with even and odd azimuthal order. The polarization dependence of those dual peak pairs are also investigated by calculating the coupling coefficients of cladding modes for two orthogonal polarizations. With the calculated coupling coefficients, the measured polarization dependent spectra can be reproduced numerically.

Publication DOI: https://doi.org/10.1364/OE.382528
Divisions: Engineering & Applied Sciences > Aston Institute of Photonics Technology
Engineering & Applied Sciences
Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Additional Information: © 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement Funding: National Natural Science Foundation of China (11574070, 11874126, 51803037, 61805046); Leading Talents Program of Guangdong Province.
Uncontrolled Keywords: Atomic and Molecular Physics, and Optics
Full Text Link:
Related URLs: https://www.osa ... ri=oe-28-2-1076 (Publisher URL)
http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Article
Published Date: 2020-01-06
Accepted Date: 2019-12-29
Authors: Shen, Fangcheng
Zhou, Kaiming ( 0000-0002-6011-1912)
Wang, Changle
Jiang, Haiming
Peng, Di
Xia, Hongyan
Xie, Kang
Zhang, Lin ( 0000-0002-1691-5577)

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