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2-D array wavelength demultiplexing by hybrid waveguide and free-space optics

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3 Author(s)
T. K. Chan ; Dept. of Electr. & Comput. Eng., Univ. of California San Diego, La Jolla, CA, USA ; M. Abashin ; J. E. Ford

We demonstrate wavelength demultiplexing into a raster-scanned 8×9 array by combining a 1×8 arrayed waveguide grating with a free-space grating multiplexer. 9 diffraction orders from each AWG output are separated onto a 2D array on an InGaAs camera or coupled into a scanned output fiber. This first proof-of-principle device had 0.2 nm channel -20 dB width, >35 dB spectral extinction and 15 to 25 dB insertion loss over the 70 nm operating range.

Published in:

OFC/NFOEC Technical Digest. Optical Fiber Communication Conference, 2005.  (Volume:4 )

Date of Conference:

6-11 March 2005