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Proceedings Paper

A compact and high-speed plasmonic slot waveguide coupled with photonic waveguide based 2x2 electro-optic switch
Author(s): Aditya Arya; R. Manivasakan
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Paper Abstract

We report an electro-optic switch at 1.55 μm wavelength based on Mach-Zehnder Interferometer (MZI) in which, the MZI arms and the input-output 3-dB couplers are designed using plasmonic and photonic waveguides re- spectively. More than 90% photons are successfully converted into surface plasmons through tapering the both photonic as well as plasmonic waveguide. The plasmonic and photonic mode profiles, interaction between plas- monic and RF fields, confinement of plasmonic field in plasmonic waveguide, and trade-off between loss and confinement are thoroughly examined before the combined optical and electrical simulation of the switch. The switching voltage is less than 6 Volts, the MZI arm length is only 15 μm, the crosstalk is less than -35 dB, and the maximum switching speed is 11.55 ps. The footprint of the switch is only 290x50 μm2.

Paper Details

Date Published: 1 March 2016
PDF: 10 pages
Proc. SPIE 9750, Integrated Optics: Devices, Materials, and Technologies XX, 97501T (1 March 2016); doi: 10.1117/12.2212382
Show Author Affiliations
Aditya Arya, Indian Institute of Technology Madras (India)
R. Manivasakan, Indian Institute of Technology Madras (India)

Published in SPIE Proceedings Vol. 9750:
Integrated Optics: Devices, Materials, and Technologies XX
Jean-Emmanuel Broquin; Gualtiero Nunzi Conti, Editor(s)

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