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A phased array optical scanning (PHAROS) device used as a 1-to-9 way switch

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6 Author(s)
Heaton, J.M. ; Div. of Electron., Defence Res. Agency, Great Malvern, UK ; Wight, D.R. ; Parker, J.T. ; Hughes, B.T.
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An optical switch is demonstrated which uses a phased array of 30 closely spaced, individually addressed electrooptic AlGaAs-GaAs waveguides to focus and steer a light beam under electronic control in a planar output waveguide. A small and potentially very high speed 1-to-9 way optical switch, (with -15 dB of crosstalk) was made by placing an array of nine output waveguides at different positions in a focal plane 1 mm from the end of the electrooptic array

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Quantum Electronics, IEEE Journal of  (Volume:28 ,  Issue: 3 )