Optical switch based on a fluid-filled photonic crystal fiber Bragg grating

Yiping Wang, Wei Jin, Long Jin, Xiaoling Tan, Hartmut Bartelt, Wolfgang Ecke, Klaus Moerl, Kerstin Schroeder, Ron Spittel, Reinhardt Willsch, Jens Kobelke, Manfred Rothhardt, Liye Shan, Sven Brueckner

Research output: Journal article publicationJournal articleAcademic researchpeer-review

50 Citations (Scopus)

Abstract

We report the implementation of an in-fiber optical switch by means of filling a fluid into the air holes of a photonic crystal fiber with a fiber Bragg grating. Such a switch can turn on/off light transmission with an extinction ratio of up to 33 dB within a narrow wavelength range (Bragg wavelength) via a small temperature adjustment of ±5°C. The switching function is based on the temperature-dependent coupling between the fundamental core mode and the rod modes in the fluid-filled holes resulting from the thermo-optic effect of the filled fluid.
Original languageEnglish
Pages (from-to)3683-3685
Number of pages3
JournalOptics Letters
Volume34
Issue number23
DOIs
Publication statusPublished - 1 Dec 2009

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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