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Subwavelength grating: A new type of microphotonic waveguide and implementations to fiber-chip coupling, waveguide crossing and refractive index engineering

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10 Author(s)
Bock, P.J. ; Inst. for Microstruct. Sci., Nat. Res. Council Canada, Ottawa, ON, Canada ; Cheben, P. ; Schmid, J.H. ; Lapointe, J.
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We demonstrate a new microphotonic waveguide principle based on subwavelength gratings. We also present several practical implementations of subwavelength waveguides, including a microphotonic fiber-chip coupler with a coupling loss as small as -0.3 dB, a waveguide crossover with an excess loss of 0.02dB/crossing and a PDL of <;;0.1 dB, and a new type of planar waveguide multiplexer.

Published in:

Group IV Photonics (GFP), 2010 7th IEEE International Conference on

Date of Conference:

1-3 Sept. 2010