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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 10, Iss. 20 — Oct. 7, 2002
  • pp: 1048–1059

Electro-optical switching using coupled photonic crystal waveguides

Ahmed Sharkawy, Shouyuan Shi, Dennis W. Prather, and Richard A. Soref  »View Author Affiliations


Optics Express, Vol. 10, Issue 20, pp. 1048-1059 (2002)
http://dx.doi.org/10.1364/OE.10.001048


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Abstract

We present an electro-optical switch implemented in coupled photonic crystal waveguides. The switch is proposed and analyzed using both the FDTD and PWM methods. The device is designed in a square lattice of silicon posts in air as well as in a hexagonal lattice of air holes in a silicon slab. The switching mechanism is a change in the conductance in the coupling region between the waveguides and hence modulating the coupling coefficient and eventually switching is achieved. Conductance is induced electrically by carrier injection or is induced optically by electron-hole pair generation. Low insertion loss and optical crosstalk in both the cross and bar switching states are predicted.

© 2002 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(130.3120) Integrated optics : Integrated optics devices
(230.0230) Optical devices : Optical devices
(230.2090) Optical devices : Electro-optical devices
(230.4110) Optical devices : Modulators

ToC Category:
Research Papers

History
Original Manuscript: August 15, 2002
Revised Manuscript: September 20, 2002
Published: October 7, 2002

Citation
Ahmed Sharkawy, Shouyuan Shi, Dennis Prather, and Richard Soref, "Electro-optical switching using coupled photonic crystal waveguides," Opt. Express 10, 1048-1059 (2002)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-10-20-1048


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