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Crosstalk-optimized integrated optical switching matrices in polymers by use of redundant switch elements

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3 Author(s)
Hauffe, R. ; Tech. Univ. Berlin, Germany ; Siebel, U. ; Petermann, K.

We present a crosstalk (CT) optimized digital optical switching matrix (4/spl times/4) based on the oversized rib waveguide concept in polymers utilizing redundant switches in the matrix configurations and tapered waveguide crossing sections yielding an average CT of -42 dB (all CT values below -30 dB) without any additional space requirements (on a 4-in wafer).

Published in:

Photonics Technology Letters, IEEE  (Volume:13 ,  Issue: 3 )