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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 14 — Jul. 15, 2007
  • pp: 2046–2048

High-speed all-optical switching in ion-implanted silicon-on-insulator microring resonators

Michael Först, Jan Niehusmann, Tobias Plötzing, Jens Bolten, Thorsten Wahlbrink, Christian Moormann, and Heinrich Kurz  »View Author Affiliations


Optics Letters, Vol. 32, Issue 14, pp. 2046-2048 (2007)
http://dx.doi.org/10.1364/OL.32.002046


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Abstract

We demonstrate high-speed all-optical switching via vertical excitation of an electron–hole plasma in an oxygen-ion implanted silicon-on-insulator microring resonator. Based on the plasma dispersion effect the spectral response of the device is rapidly modulated by photoinjection and subsequent recombination of charge carriers at artificially introduced fast recombination centers. At an implantation dose of 1 × 10 12 cm 2 the carrier lifetime is reduced to 55 ps , which facilitates optical switching of signal light in the 1.55 μ m wavelength range at modulation speeds larger than 5 Gbits s .

© 2007 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.1150) Optical devices : All-optical devices
(230.5750) Optical devices : Resonators
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors

ToC Category:
Optical Devices

History
Original Manuscript: May 11, 2007
Revised Manuscript: May 22, 2007
Manuscript Accepted: May 22, 2007
Published: July 10, 2007

Citation
Michael Först, Jan Niehusmann, Tobias Plötzing, Jens Bolten, Thorsten Wahlbrink, Christian Moormann, and Heinrich Kurz, "High-speed all-optical switching in ion-implanted silicon-on-insulator microring resonators," Opt. Lett. 32, 2046-2048 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-14-2046


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References

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