Nondestructive measurement of loss performance in channel waveguide devices with phase modulator

NCU Institutional Repository > 理學院 > 光電科學研究所 > 期刊論文 > Item 987654321/28216

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题名:	Nondestructive measurement of loss performance in channel waveguide devices with phase modulator
作者:	Sheu,LG;Lee,CT;Lee,HC
贡献者:	光電科學研究所
日期:	1996
上传时间:	2010-06-29 19:44:08 (UTC+8)
出版者:	中央大學
摘要:	A novel method using a phase modulator is proposed for the nondestructive measurement of propagation loss in a channel waveguide. The phase modulator was fabricated on a Ti-diffused LiNbO3 crystal. Tuning the effective optical length of a waveguide by application of an electrical field on the phase modulator, the contrast of the resultant Fabry-Perot resonator in a channel waveguide device can be measured. The associated propagation attenuation coefficients are determined from the experimental results. Coordination of the phase modulator with an optical channel waveguide device not only allows measurement of the bending loss, but improvement in the relative intensity noise owing to the reduction of the reflected power.
關聯:	OPTICAL REVIEW
显示于类别:	[光電科學研究所] 期刊論文

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