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Characterization of a 2 ,\times, 2 Optical Switch Based on a Multitransducers Acousto-Optic Deflector

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3 Author(s)
Quintard, V. ; RESO Lab., Univ. Europeenne de Bretagne, Brest, France ; Perennou, A. ; Aboujeib, J.

We present the experimental characterizations of a 2 times 2 optical switch based on a multitransducers acousto-optic tellurium dioxide (TeO2) deflector. The deflector is realized by the superimposition of two phase gratings in a crystal. This switch is dedicated to the telecommunication applications. We show, in this study, that the crosstalk does not exceed -50 dB and the switch dependence to the optical polarization is low (-0.5 dB). Unfortunately, the insertion losses are quite high but they have not been optimized. A dynamic study shows a short configuration time less than 200 ns, and an optical transparency with regard to the data bit rate.

Published in:

Photonics Technology Letters, IEEE  (Volume:21 ,  Issue: 24 )