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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 36, Iss. 23 — Dec. 1, 2011
  • pp: 4695–4697

Femtosecond laser tuning of silicon microring resonators

Daniel Bachman, Zhijiang Chen, Ashok M. Prabhu, Robert Fedosejevs, Ying Y. Tsui, and Vien Van  »View Author Affiliations


Optics Letters, Vol. 36, Issue 23, pp. 4695-4697 (2011)
http://dx.doi.org/10.1364/OL.36.004695


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Abstract

Femtosecond laser modification is demonstrated as a possible method for postfabrication tuning of silicon microring resonators. Single 400 nm femtosecond laser pulses were used to modify the effective index of crystalline silicon microring waveguides by either amorphization or surface nanomilling depending on the laser fluence. Both blue- and redshifts in the microring resonance could be achieved without imparting significant degradation to the device quality factor.

© 2011 Optical Society of America

OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(230.5750) Optical devices : Resonators

ToC Category:
Optical Devices

History
Original Manuscript: September 30, 2011
Revised Manuscript: November 1, 2011
Manuscript Accepted: November 1, 2011
Published: December 1, 2011

Citation
Daniel Bachman, Zhijiang Chen, Ashok M. Prabhu, Robert Fedosejevs, Ying Y. Tsui, and Vien Van, "Femtosecond laser tuning of silicon microring resonators," Opt. Lett. 36, 4695-4697 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-23-4695


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