1 April 2003 Polarization-isolated electrical modulation of an etched long-period fiber grating with an outer liquid-crystal cladding
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Optical Engineering, 42(4), (2003). doi:10.1117/1.1555011
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.
Yoonchan Jeong, Hak Rin Kim, Seungin Baek, Yonghyun Kim, Yong Wook Lee, SinDoo Lee, Byoungho Lee, "Polarization-isolated electrical modulation of an etched long-period fiber grating with an outer liquid-crystal cladding," Optical Engineering 42(4), (1 April 2003). http://dx.doi.org/10.1117/1.1555011
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KEYWORDS
Cladding

Liquid crystals

Modulation

Polarization

Refractive index

Molecules

Optical filters

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