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Crosstalk Spectrum Optimisation for Stacked Wavelength Selective Switches Based on 2D Beam Steering

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Abstract

We report a 4(1×8) WSS prototype using 2D beam steering with minimum insertion loss of 4.7dB and uniform passband step of 1GHz. The worst-case crosstalk was suppressed to <-30dB with optimised spectrum profile for improved OSNR.

© 2018 The Author(s)

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