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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 11 — Jun. 1, 2013
  • pp: 1854–1856

Asymmetric Y junctions in silicon waveguides for on-chip mode-division multiplexing

Jeffrey B. Driscoll, Richard R. Grote, Brian Souhan, Jerry I. Dadap, Ming Lu, and Richard M. Osgood, Jr.  »View Author Affiliations


Optics Letters, Vol. 38, Issue 11, pp. 1854-1856 (2013)
http://dx.doi.org/10.1364/OL.38.001854


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Abstract

Silicon waveguide asymmetric Y junction mode multiplexers and demultiplexers are demonstrated for applications in on-chip mode-division multiplexing (MDM). We measure demultiplexed crosstalk as low as 30dB, <9dB over the C band, and insertion loss <1.5dB for multimode links up to 1.2 mm in length. The frequency response of these devices is shown to depend upon Y junction angle and multimode interconnect length. Interference effects are shown to be advantageous for low-crosstalk MDM, even while using compact Y junctions designed to be outside the mode-sorting regime.

© 2013 Optical Society of America

OCIS Codes
(060.4230) Fiber optics and optical communications : Multiplexing
(130.3120) Integrated optics : Integrated optics devices
(200.4650) Optics in computing : Optical interconnects

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: February 28, 2013
Revised Manuscript: April 8, 2013
Manuscript Accepted: April 21, 2013
Published: May 22, 2013

Citation
Jeffrey B. Driscoll, Richard R. Grote, Brian Souhan, Jerry I. Dadap, Ming Lu, and Richard M. Osgood, "Asymmetric Y junctions in silicon waveguides for on-chip mode-division multiplexing," Opt. Lett. 38, 1854-1856 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-11-1854

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