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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 8 — Apr. 15, 2009
  • pp: 1249–1251

Compact silicon microring-assisted directional couplers for optical signal processing applications

Ashok M. Prabhu, Vien Van, Warren N. Herman, and Ping-Tong Ho  »View Author Affiliations


Optics Letters, Vol. 34, Issue 8, pp. 1249-1251 (2009)
http://dx.doi.org/10.1364/OL.34.001249


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Abstract

We propose and demonstrate a compact microring-assisted directional coupler in the silicon-on-insulator material system. An analytical model based on the strongly coupled mode theory shows that the device can be designed to have a wide range of spectral characteristics, including sharp asymmetric Fano line shapes, which can be used for WDM, switching, and sensing applications. The measured transmission spectra of the fabricated device with a 5 - μ m -radius microring resonator exhibited an asymmetric spectral response characteristic of the Fano resonance as predicted by the analytical model.

© 2009 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: February 6, 2009
Revised Manuscript: March 15, 2009
Manuscript Accepted: March 18, 2009
Published: April 10, 2009

Citation
Ashok M. Prabhu, Vien Van, Warren N. Herman, and Ping-Tong Ho, "Compact silicon microring-assisted directional couplers for optical signal processing applications," Opt. Lett. 34, 1249-1251 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-8-1249


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