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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 4 — Feb. 15, 2014
  • pp: 751–753

Fast and efficient silicon thermo-optic switching based on reverse breakdown of pn junction

Xianyao Li, Hao Xu, Xi Xiao, Zhiyong Li, Yude Yu, and Jinzhong Yu  »View Author Affiliations


Optics Letters, Vol. 39, Issue 4, pp. 751-753 (2014)
http://dx.doi.org/10.1364/OL.39.000751


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Abstract

We propose and demonstrate a fast and efficient silicon thermo-optic switch based on reverse breakdown of the pn junction. Benefiting from the direct heating of silicon waveguide by embedding the pn junction into the waveguide center, fast switching with on/off time of 330 and 450 ns and efficient thermal tuning of 0.12nm/mW for a 20 μm radius microring resonator are achieved, indicating a high figure of merit of only 8.8mW·μs. The results here show great potential for application in the future optical interconnects.

© 2014 Optical Society of America

OCIS Codes
(130.0250) Integrated optics : Optoelectronics
(130.3120) Integrated optics : Integrated optics devices
(130.4815) Integrated optics : Optical switching devices

ToC Category:
Optical Devices

History
Original Manuscript: October 23, 2013
Revised Manuscript: December 26, 2013
Manuscript Accepted: December 28, 2013
Published: February 3, 2014

Citation
Xianyao Li, Hao Xu, Xi Xiao, Zhiyong Li, Yude Yu, and Jinzhong Yu, "Fast and efficient silicon thermo-optic switching based on reverse breakdown of pn junction," Opt. Lett. 39, 751-753 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-4-751

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