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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 19 — Oct. 1, 2013
  • pp: 3914–3917

Demonstration of complementary apodized cascaded grating waveguides for tunable optical delay lines

Saeed Khan and Sasan Fathpour  »View Author Affiliations


Optics Letters, Vol. 38, Issue 19, pp. 3914-3917 (2013)
http://dx.doi.org/10.1364/OL.38.003914


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Abstract

High-speed, tunable integrated silicon photonic delay lines are demonstrated by cascading complementary apodized silicon grating waveguides. The cascaded grating waveguides, with inward and outward super-Gaussian apodization profiles, compensate each other’s dispersion and allow high-speed operation. Characterization of the compact delay lines shows that they have low loss, offer true time delays of 82 ps and a tuning range of 32 ps, and can potentially operate at bit rates as high as 107Gb/s.

© 2013 Optical Society of America

OCIS Codes
(250.0250) Optoelectronics : Optoelectronics
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Integrated Optics

History
Original Manuscript: July 15, 2013
Revised Manuscript: August 22, 2013
Manuscript Accepted: August 23, 2013
Published: September 30, 2013

Citation
Saeed Khan and Sasan Fathpour, "Demonstration of complementary apodized cascaded grating waveguides for tunable optical delay lines," Opt. Lett. 38, 3914-3917 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-19-3914


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