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