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Optics Letters

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  • Vol. 27, Iss. 18 — Sep. 15, 2002
  • pp: 1604–1606

Grating-assisted coupling of optical fibers and photonic crystal waveguides

Wan Kuang, Cheolwoo Kim, Andrew Stapleton, and John D. O'Brien  »View Author Affiliations


Optics Letters, Vol. 27, Issue 18, pp. 1604-1606 (2002)
http://dx.doi.org/10.1364/OL.27.001604


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Abstract

We propose and analyze a highly efficient method of coupling light from optical fibers to two-dimensional photonic crystal waveguides. Efficient coupling is achieved by positioning of a tapered fiber parallel to the linear defect, where the photonic crystal's cladding functions as a grating coupler and provides field confinement as well. Numerical simulations indicate that better than 90% transmission is possible with a full width at half-magnitude bandwidth of 12nm. It is shown that one can increase the bandwidth by increasing the field overlap between the two waveguides.

© 2002 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(230.7370) Optical devices : Waveguides

Citation
Wan Kuang, Cheolwoo Kim, Andrew Stapleton, and John D. O'Brien, "Grating-assisted coupling of optical fibers and photonic crystal waveguides," Opt. Lett. 27, 1604-1606 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-18-1604


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