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Silica-based waveguide-type 16 x 16 optical switch module incorporating driving circuits

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10 Author(s)
Shibata, T. ; NTT Photonics Labs., Nippon Telegraph & Telephone Corp., Kanagawa, Japan ; Okuno, M. ; Goh, T. ; Watanabe, T.
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We developed a 16/spl times/16 optical matrix switch module in which we incorporated a silica-based thermooptic switch chip and driving circuits. The module exhibited excellent levels of performance, namely a low insertion loss and a high extinction ratio. This is the largest scale waveguide-type matrix switch module yet reported. Driving circuits with a serial-to-parallel control signal conversion function enabled us to realize a new module structure that is both simple and flexible for use with larger scale switches.

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Photonics Technology Letters, IEEE  (Volume:15 ,  Issue: 9 )