Numerical simulation of ultra-compact electro-optic modulator based on nanoscale plasmon metal gap waveguides

S. I. Inoue, Shiyoshi Yokoyama

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

An ultra-compact Mach-Zehnder (MZ) electro-optic (EO) modulator composed of nanoscale metal gap waveguides is numerically demonstrated. Propagation of surface plasmon polaritons in nano-size channels and their EO modulations is investigated by the finite-difference time-domain method considering the Lorentz-Drude 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 (500nm).

Original languageEnglish
Pages (from-to)1087-1089
Number of pages3
JournalElectronics Letters
Volume45
Issue number21
DOIs
Publication statusPublished - Oct 19 2009

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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