Plasmonic optical switches based on Mach-Zender interferometer

Electro-optical switches composed of two Mach-Zehnder interferometer waveguides filled with 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) have been proposed and investigated. The characteristics of the switch waveguide are analyzed. The finite-difference time domain simulation results reve...

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Veröffentlicht in:	Physics of plasmas 2011-07, Vol.18 (7), p.072112-072112-5
Hauptverfasser:	Zhu, Jia-Hu, Huang, Xu-Guang, Xu, Wei, Chen, Luan Xiong
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COMPUTERIZED SIMULATION ELECTRIC POTENTIAL ELECTRO-OPTICAL EFFECTS FINITE DIFFERENCE METHOD MACH-ZEHNDER INTERFEROMETER OPTICS PHASE SHIFT PLASMA SWITCHES WAVEGUIDES
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Beschreibung
Zusammenfassung:	Electro-optical switches composed of two Mach-Zehnder interferometer waveguides filled with 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST) have been proposed and investigated. The characteristics of the switch waveguide are analyzed. The finite-difference time domain simulation results reveal that the structure can operate as an optical switch by controlling the voltage V 1 or V 2 applied on the region filled with the DAST material with the π phase shift voltage as V π =2.9 V. The structure has a small dimension of hundreds of nanometers.
ISSN:	1070-664X 1089-7674
DOI:	10.1063/1.3614521