Graphene-induced unique polarization tuning properties of excessively tilted fiber grating

Biqiang Jiang, Guolu Yin, Kaiming Zhou, Changle Wang, Xuetao Gan, Jianlin Zhao, Lin Zhang*

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

By exploiting the polarization-sensitive coupling effect of graphene with the optical mode, we investigate the polarization modulation properties of a hybrid waveguide of graphene-integrated excessively tilted fiber grating (Ex-TFG). The theoretical analysis and experimental results demonstrate that the real and imaginary parts of complex refractive index of fewlayer graphene exhibit different effects on transverse electric (TE) and transverse magnetic (TM) cladding modes of the Ex-TFG, enabling stronger absorption in the TE mode and more wavelength shift in the TM mode. Furthermore, the surrounding refractive index can modulate the complex optical constant of graphene and then the polarization properties of the hybrid waveguide, such as resonant wavelength and peak intensity. Therefore, the unique polarization tuning property induced by the integration of the graphene layer with Ex-TFG may endow potential applications in all-in-one fiber modulators, fiber lasers, and biochemical sensors.

Original languageEnglish
Pages (from-to)5450-5453
Number of pages4
JournalOptics Letters
Volume41
Issue number23
Early online date17 Nov 2016
DOIs
Publication statusPublished - 1 Dec 2016

Bibliographical note

© 2016 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.

Funding: Marie Skłodowska-Curie Individual Fellowships in the European Union’s Horizon 2020 Research and Innovation Programme (660648); National Natural Science Foundation of China (NSFC) (61505165); Natural Science Basic Research Plan in Shaanxi Province of China (2016JQ6032).

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