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Optics Letters

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  • Vol. 30, Iss. 18 — Sep. 15, 2005
  • pp: 2400–2402

Reduction in the diffraction loss of an arrayed-waveguide grating by use of an interference fringe between slab and arrayed waveguides

Kenya Suzuki, Tomohiro Shibata, Yasuyuki Inoue, and Hiroshi Takahashi  »View Author Affiliations


Optics Letters, Vol. 30, Issue 18, pp. 2400-2402 (2005)
http://dx.doi.org/10.1364/OL.30.002400


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Abstract

We propose a novel method for reducing the diffraction loss in an arrayed-waveguide grating. Our method introduces an interference fringe at the interface between slab and arrayed waveguides to relax the mode mismatch between them. We achieved a loss reduction of more than 0.42 dB with this method. Moreover, we provide an explanation of the loss-reduction mechanism of our method in terms of the point of imaging property of light.

© 2005 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.7390) Optical devices : Waveguides, planar

Citation
Kenya Suzuki, Tomohiro Shibata, Yasuyuki Inoue, and Hiroshi Takahashi, "Reduction in the diffraction loss of an arrayed-waveguide grating by use of an interference fringe between slab and arrayed waveguides," Opt. Lett. 30, 2400-2402 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-18-2400


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References

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