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Optical Engineering

Polarization-isolated electrical modulation of an etched long-period fiber grating with an outer liquid-crystal cladding
Author(s): Yoonchan Jeong; Hak Rin Kim; Seungin Baek; Yonghyun Kim; Yong Wook Lee; SinDoo Lee; Byoungho Lee
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Paper Abstract

An etched long-period fiber grating with an outer liquid-crystal cladding capable of polarization-isolated electrical modulation, is described. A 5-dB transmission-dip modulation with 4-dB polarization isolation can be obtained at 225 V. The reduction in fiber diameter by a chemical etching process leads to an improvement in the long-range ordering of liquid-crystal molecules and a reduction in the controlling voltage. In addition, the experimental results are supported by numerical simulation.

Paper Details

Date Published: 1 April 2003
PDF: 5 pages
Opt. Eng. 42(4) doi: 10.1117/1.1555011
Published in: Optical Engineering Volume 42, Issue 4
Show Author Affiliations
Yoonchan Jeong, Seoul National Univ. (South Korea)
Hak Rin Kim, Seoul National Univ. (South Korea)
Seungin Baek, Seoul National Univ. (North Korea)
Yonghyun Kim, Seoul National Univ. (South Korea)
Yong Wook Lee, Seoul National Univ. (South Korea)
SinDoo Lee, Seoul National Univ. (South Korea)
Byoungho Lee, Seoul National Univ. (South Korea)


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