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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 20 — Oct. 15, 2008
  • pp: 2389–2391

Continuously tunable 1 byte delay in coupled-resonator optical waveguides

Andrea Melloni, Francesco Morichetti, Carlo Ferrari, and Mario Martinelli  »View Author Affiliations


Optics Letters, Vol. 33, Issue 20, pp. 2389-2391 (2008)
http://dx.doi.org/10.1364/OL.33.002389


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Abstract

A reconfigurable coupled-resonator optical waveguide made of a few directly coupled ring resonators is employed to control the delay of data streams modulated at tens of gigabits per second. A delay of 8 bit lengths (1 optical byte) with a small pulse broadening and 1 dB bit fractional loss is achieved by using only eight rings. The limiting role of waveguide loss and spurious backreflections is experimentally investigated. The high storage efficiency ( 1   bit /ring) of the device enables an easy, reliable, hitless, and relatively low-power-consuming management of the delay. A higher storage efficiency is demonstrated to be associated to an unavoidable higher pulse distortion.

© 2008 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(200.4490) Optics in computing : Optical buffers
(230.4555) Optical devices : Coupled resonators

ToC Category:
Integrated Optics

History
Original Manuscript: July 31, 2008
Revised Manuscript: September 5, 2008
Manuscript Accepted: September 8, 2008
Published: October 14, 2008

Citation
Andrea Melloni, Francesco Morichetti, Carlo Ferrari, and Mario Martinelli, "Continuously tunable 1 byte delay in coupled-resonator optical waveguides," Opt. Lett. 33, 2389-2391 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-20-2389

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