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Highly compact organic electro-optic modulator based on nanoscale plasmon metal gap waveguides

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2 Author(s)
Inoue, Shin-ichiro ; Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga Koen, Fukuoka 816-8580, Japan ; Yokoyama, Shiyoshi

An ultra-compact Mach-Zehnder (MZ) electro-optic (EO) modulator composed of nanoscale metal gap waveguides has been numerically demonstrated. Propagations of surface plasmon polaritons (SPPs) in nano-size channels and their EO modulations are investigated by the finite difference time domain (FDTD) method considering the Lorentz-Drude (LD) model. The half-wave voltage (Vπ) of the resulting MZ modulator for push-pull operation is 1.73 V using the interference arm with a sub-micron length (500 nm).

Published in:

Communications and Photonics Conference and Exhibition (ACP), 2009 Asia  (Volume:2009-Supplement )

Date of Conference:

2-6 Nov. 2009