Optical EngineeringImpact of optical cross-connect architecture on the accumulation of intraband crosstalk in wavelength division multiplexing optical networks
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Optical crosstalk imposes a major limit to the practical implementation of optical cross-connects (OXCs). Intraband crosstalk characteristics of OXCs based on the dilated Benes (DB) and generally modified DB (GMDB) networks are investigated and compared. Numerical simulation and experimental results confirm that OXCs based on GMDB networks can eliminate intraband crosstalk influence effectively compared with OXCs based on DB networks.