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Linear crosstalk in 4×4 semiconductor optical amplifier gate switch matrix

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2 Author(s)
Larsen, C.P. ; Ericsson Components AB, Stockholm, Sweden ; Gustavsson, M.

We report a comprehensive crosstalk investigation of a packaged InGaAsP/InP 4×4 semiconductor optical amplifier gate switch matrix, experimentally as well as theoretically. For a fully loaded switch with the same wavelength on all four inputs, all possible switching combinations are analyzed, thus yielding realistic crosstalk figures. Coherent and incoherent crosstalk phenomena are identified, and a switch crosstalk less than -40 dB has been measured

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Lightwave Technology, Journal of  (Volume:15 ,  Issue: 10 )