Abstract:A novel optical switch structure is proposed to implement the function of cross-connection, optical power control and crosstalk reduction for optical cross-connect (OXC) in wavelength division multiplexing (WDM) optical transport networks. Based on the conventional AS/AC network structure, the proposed one deploys a set of 1x2 digital optical switches (DOS) between the AS and AC modules. Thus the optical signal power can be controlled and the crosstalk can be reduced by adjusting the driving voltage of the lx2… Show more
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