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Proceedings Paper

Light-bullet routing and logic in planar waveguide arrays
Author(s): Matthew O. Williams; Colin W. McGrath; J. Nathan Kutz
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Paper Abstract

The manipulation and routing of light-bullets in a VCSEL-like planar waveguide array is studied numerically. By partitioning the gold contact layer used for current injection into discrete and individually addressable segments, an electronically controllable and non-uniform gain profile is created. Light-bullets typically follow the gradient of the gain and are therefore completely controllable by manipulating the gain profile. In addition, by exploiting gain-mediated interactions between nearby light-bullets, the NAND and NOR gates are also constructed. Therefore, planar waveguide arrays with addressable gain profiles appear to be an ideal technology for optical routing applications as well as for photonic logic devices.

Paper Details

Date Published: 17 January 2011
PDF: 8 pages
Proc. SPIE 7941, Integrated Optics: Devices, Materials, and Technologies XV, 79410D (17 January 2011); doi: 10.1117/12.873915
Show Author Affiliations
Matthew O. Williams, Univ. of Washington (United States)
Colin W. McGrath, Univ. of Washington (United States)
J. Nathan Kutz, Univ. of Washington (United States)


Published in SPIE Proceedings Vol. 7941:
Integrated Optics: Devices, Materials, and Technologies XV
Jean Emmanuel Broquin; Gualtiero Nunzi Conti, Editor(s)

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