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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 3 — Feb. 10, 2014
  • pp: 3271–3283

Ultrasensitive silicon photonic-crystal nanobeam electro-optical modulator: Design and simulation

Joshua Hendrickson, Richard Soref, Julian Sweet, and Walter Buchwald  »View Author Affiliations


Optics Express, Vol. 22, Issue 3, pp. 3271-3283 (2014)
http://dx.doi.org/10.1364/OE.22.003271


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Abstract

Design and simulation results are presented for an ultralow switching energy, resonator based, silicon-on-insulator (SOI) electro-optical modulator. The nanowire waveguide and Q ~8500 resonator are seamlessly integrated via a high-transmission tapered 1D photonic crystal cavity waveguide structure. A lateral p-n junction of modulation length Lm ~λ is used to alter the index of refraction and, therefore, shift the resonance wavelength via fast carrier depletion. Differential signaling of the device with ΔV ~0.6 Volts allows for a 6dB extinction ratio at telecom wavelengths with an energy cost as low as 14 attojoules/bit.

© 2014 Optical Society of America

OCIS Codes
(230.2090) Optical devices : Electro-optical devices
(250.7360) Optoelectronics : Waveguide modulators
(230.5298) Optical devices : Photonic crystals

ToC Category:
Photonic Crystals

History
Original Manuscript: November 27, 2013
Revised Manuscript: January 17, 2014
Manuscript Accepted: January 19, 2014
Published: February 4, 2014

Citation
Joshua Hendrickson, Richard Soref, Julian Sweet, and Walter Buchwald, "Ultrasensitive silicon photonic-crystal nanobeam electro-optical modulator: Design and simulation," Opt. Express 22, 3271-3283 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-3-3271


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