Optical microfiber-loaded surface plasmonic TE-pass polarizer

Youqiao Ma, Gerald Farrell, Yuliya Semenova, Binghui Li, Jinhui Yuan, Xinzhu Sang, Binbin Yan, Chongxiu Yu, Tuan Guo, Qiang Wu

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)
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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.
Original languageEnglish
Pages (from-to)101-105
JournalOptics and Laser Technology
Volume78
Issue numberB
Early online date14 Nov 2015
DOIs
Publication statusPublished - 1 Apr 2016

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