Title :
Fabrication of a polymer based variable optical attenuator using liquid crystal cladding on inverted channel waveguide structure
Author :
Xu, Y. ; Uddin, M.A. ; Chung, P.S. ; Chan, H.P.
Author_Institution :
Dept. of Electron. Eng., City Univ. of Hong Kong, Hong Kong
Abstract :
Using nematic liquid crystal as the upper cladding of inverted polymer waveguide structure, we fabricated a variable optical attenuator which exhibited a 24 dB of attenuation range with a tuning range of 10 Vpeak at 1550 nm.
Keywords :
cladding techniques; electro-optical devices; integrated optics; nematic liquid crystals; optical attenuators; optical fabrication; optical polymers; optical waveguides; electro-optic effect; integrated VOA; inverted channel waveguide structure; inverted polymer waveguide structure; nematic liquid crystal cladding; variable optical attenuator fabrication; wavelength 1550 nm; High speed optical techniques; Liquid crystal polymers; Liquid waveguides; Optical attenuators; Optical device fabrication; Optical polymers; Optical refraction; Optical scattering; Optical variables control; Optical waveguides;
Conference_Titel :
Opto-Electronics and Communications Conference, 2008 and the 2008 Australian Conference on Optical Fibre Technology. OECC/ACOFT 2008. Joint conference of the
Conference_Location :
Sydney
Print_ISBN :
978-0-85825-807-5
Electronic_ISBN :
978-0-85825-807-5
DOI :
10.1109/OECCACOFT.2008.4610426