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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 12 — Jun. 11, 2007
  • pp: 7557–7563

Thermo-optic tuning and switching in SOI waveguide Fabry-Perot microcavities

Marcel W. Pruessner, Todd H. Stievater, Mike S. Ferraro, and William S. Rabinovich  »View Author Affiliations


Optics Express, Vol. 15, Issue 12, pp. 7557-7563 (2007)
http://dx.doi.org/10.1364/OE.15.007557


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Abstract

Compact silicon-on-insulator (SOI) waveguide thermo-optically tunable Fabry-Perot microcavities with silicon/air Bragg mirrors are demonstrated. Quality factors of Q=4,584 are measured with finesse F=82. Tuning is achieved by flowing current directly through the silicon cavity resulting in efficient thermo-optic tuning over 2 nm for less than 50 mW applied electrical power. The high-Q cavities enable fast switching (1.9 μs rise time) at low drive power (<10 mW). By overdriving the device, rise times of 640 ns are obtained. Various device improvements are discussed.

© 2007 Optical Society of America

OCIS Codes
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(160.6840) Materials : Thermo-optical materials
(230.1480) Optical devices : Bragg reflectors
(230.3120) Optical devices : Integrated optics devices
(230.5750) Optical devices : Resonators
(230.7370) Optical devices : Waveguides

ToC Category:
Optical Devices

History
Original Manuscript: March 27, 2007
Revised Manuscript: April 20, 2007
Manuscript Accepted: April 20, 2007
Published: June 5, 2007

Citation
Marcel W. Pruessner, Todd H. Stievater, Mike S. Ferraro, and William S. Rabinovich, "Thermo-optic tuning and switching in SOI waveguide Fabry-Perot microcavities," Opt. Express 15, 7557-7563 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-12-7557


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References

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