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Optics Letters

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  • Vol. 29, Iss. 7 — Apr. 1, 2004
  • pp: 697–699

Efficient input and output fiber coupling to a photonic crystal waveguide

Paul E. Barclay, Kartik Srinivasan, Matthew Borselli, and Oskar Painter  »View Author Affiliations


Optics Letters, Vol. 29, Issue 7, pp. 697-699 (2004)
http://dx.doi.org/10.1364/OL.29.000697


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Abstract

The efficiency of evanescent coupling between a silica optical fiber taper and a silicon photonic crystal waveguide is studied. A high-reflectivity mirror on the end of the photonic crystal waveguide is used to recollect, in the backward-propagating fiber mode, the optical power that is initially coupled into the photonic crystal waveguide. An outcoupled power in the backward-propagating fiber mode of 88% of the input power is measured, corresponding to a lower bound on the coupler efficiency of 94%.

© 2004 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(130.3120) Integrated optics : Integrated optics devices

Citation
Paul E. Barclay, Kartik Srinivasan, Matthew Borselli, and Oskar Painter, "Efficient input and output fiber coupling to a photonic crystal waveguide," Opt. Lett. 29, 697-699 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-7-697


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References

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  10. We take r1tr2t /|r1tr2t |=1, corresponding to a resonant condition within the PCWG.

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