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Proceedings Paper

Electro-optic polymer light modulator based on attenuated total reflection
Author(s): Feng Zhou; Haifeng Lu; Zhuangqi Cao; Qishun Shen
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Paper Abstract

An improved ATR modulator consisted of a prism-metal-EQ-polymer-metal structure is presented. Unlike the ATR modulator conventional, we change the working interior angle from the surface plasmon resonance to a guided wave resonance. Since the propagation constant is much more sensitive to the electrically induced refractive index change in the poling polymer layer for a guided mode than a surface plasmon mode, so the drive voltage can be accordingly decreased. In our recent experiment, an ATR modulator with 1 GHz bandwidth and a modulation index of 10% at a driving voltage of 40V has been demonstrated.

Paper Details

Date Published: 29 August 2002
PDF: 4 pages
Proc. SPIE 4905, Materials and Devices for Optical and Wireless Communications, (29 August 2002); doi: 10.1117/12.481031
Show Author Affiliations
Feng Zhou, Shanghai Jiao Tong Univ. (China)
Haifeng Lu, Shanghai Jiao Tong Univ. (China)
Zhuangqi Cao, Shanghai Jiao Tong Univ. (China)
Qishun Shen, Shanghai Jiao Tong Univ. (China)

Published in SPIE Proceedings Vol. 4905:
Materials and Devices for Optical and Wireless Communications
Constance J. Chang-Hasnain; YuXing Xia; Kenichi Iga, Editor(s)

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