Electrically tunable liquid crystal waveguide attenuators

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题名:	Electrically tunable liquid crystal waveguide attenuators
作者:	Cai,DP;Nien,SC;Chiu,HK;Chen,CC;Lee,CC
贡献者:	光電科學與工程學系
关键词:	FIBER;SILICON;CORE
日期:	2011
上传时间:	2012-03-27 18:15:59 (UTC+8)
出版者:	國立中央大學
摘要:	The attenuator for the wavelength at 1550 nm is fabricated by using the capillary effect to infiltrate liquid crystal (LC) E7 into hollow waveguides (HWGs) on silicon substrate with SiO(2) cladding layer. The length of the waveguide is 0.4 cm. The device can be operated with relatively low driving voltage below 5 V(pp) with the distance between two electrodes to be 9 mu m. The light attenuation of the device can be over 30 dB. The performance of the device is independent of the polarization states of the input light. (C) 2011 Optical Society of America
關聯:	OPTICS EXPRESS
显示于类别:	[光電科學與工程學系] 期刊論文

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