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Crosstalk noise is an intrinsic characteristic ofphotonic devices used by optical router which is used in optical networks-on-chip (ONoC).It also adds a new dimension to the design of the optical router based on the photonic devices We can use the basic optical elements to design many different structure optical routers.The optical router consists of two subsystems, the first one is switching fabric which is built from the basic elements and the second one is the control unit which uses electrical signals to configure the switching fabric according to the routing requirements of each packet.In the general model, the optical router architecture can described as a list of the basic switching devices, waveguide crossings, and their connection.According to the general model, we can easily explore the crosstalk noise and OSNR of arbitrary optical router architectures.We developed a parameter analyzer for optical routers based on the general model.The parameter analyzer can explore the crosstalk noise, and OSNR of arbitrary optical router architectures.Based on the parameter analyzer, we analyzed the insertion loss, the crosstalk noise, OSNR and BER from numerical simulation.We analyzed crosstalk noise at device level and router level.