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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 17 — Aug. 16, 2010
  • pp: 18312–18323

Optimization of metallic microheaters for high-speed reconfigurable silicon photonics

A. H. Atabaki, E. Shah Hosseini, A. A. Eftekhar, S. Yegnanarayanan, and A. Adibi  »View Author Affiliations


Optics Express, Vol. 18, Issue 17, pp. 18312-18323 (2010)
http://dx.doi.org/10.1364/OE.18.018312


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Abstract

The strong thermooptic effect in silicon enables low-power and low-loss reconfiguration of large-scale silicon photonics. Thermal reconfiguration through the integration of metallic microheaters has been one of the more widely used reconfiguration techniques in silicon photonics. In this paper, structural and material optimizations are carried out through heat transport modeling to improve the reconfiguration speed of such devices, and the results are experimentally verified. Around 4 µs reconfiguration time are shown for the optimized structures. Moreover, sub-microsecond reconfiguration time is experimentally demonstrated through the pulsed excitation of the microheaters. The limitation of this pulsed excitation scheme is also discussed through an accurate system-level model developed for the microheater response.

© 2010 Optical Society of America

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(160.6840) Materials : Thermo-optical materials

ToC Category:
Integrated Optics

History
Original Manuscript: June 30, 2010
Revised Manuscript: August 9, 2010
Manuscript Accepted: August 9, 2010
Published: August 11, 2010

Citation
A. H. Atabaki, E. Shah Hosseini, A. A. Eftekhar, S. Yegnanarayanan, and A. Adibi, "Optimization of metallic microheaters for high-speed reconfigurable silicon photonics," Opt. Express 18, 18312-18323 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-17-18312


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