Optical microfiber-loaded surface plasmonic TE-pass polarizer

Ma, Youqiao, Farrell, Gerald, Semenova, Yuliya, Li, Binghui, Yuan, Jinhui, Sang, Xinzhu, Yan, Binbin, Yu, Chongxiu, Guo, Tuan and Wu, Qiang (2016) Optical microfiber-loaded surface plasmonic TE-pass polarizer. Optics and Laser Technology, 78 (B). pp. 101-105. ISSN 0030-3992

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Official URL: http://dx.doi.org/10.1016/j.optlastec.2015.10.012

Abstract

We propose a novel optical microfiber-loaded plasmonic TE-pass polarizer consisting of an optical microfiber placed on top of a silver substrate and demonstrate its performance both numerically by using the finite element method (FEM) and experimentally. The simulation results show that the loss in the fundamental TE mode is relatively low while at the same time the fundamental TM mode suffers from a large metal dissipation loss induced by excitation of the microfiber-loaded surface plasmonic mode. The microfiber was fabricated using the standard microheater brushing–tapering technique. The measured extinction ratio over the range of the C-band wavelengths is greater than 20 dB for the polarizer with a microfiber diameter of 4 µm, which agrees well with the simulation results.

Item Type: Article
Subjects: F300 Physics
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Depositing User: Ay Okpokam
Date Deposited: 25 Nov 2015 17:10
Last Modified: 13 May 2017 07:34
URI: http://nrl.northumbria.ac.uk/id/eprint/24756

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