Effect of Crosstalk in Optical Component
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2015, Vol 3, Issue 5
Abstract
Optical networks have emerged as a solution to the rapidly increasing demands. Now, the optical data is transmitted over long distances without the need for O-E-O conversion as the data is directly transferred in the fiber as an optical signal. Crosstalk is the major limitation with all optical networks, which results from the intermixing/leakage of signals routed in optical switches with the desired signal. Optical components such as cross-connectors, routers, and adddrop multiplexers are prone to crosstalk. Crosstalk is divided into two types Linear and Non linear crosstalk. Intra-channel crosstalk results from the crosslink of signals with the same wavelength as the transmitted signal. Furthermore, depending on the phase noise of the signal and interferers, crosstalk can also be classified as coherent and incoherent. Inter-channel crosstalk occurs when the transmitted signal and interferers have different wavelengths. Routing and adding-dropping signals in optical networks are a key factor to get high flexibility and transparency of the system. The effect of crosstalk in optical components is explained in this paper and, in particular optical crosstalk regarding cross connectors and add-drop multiplexer is presented.
Authors and Affiliations
Manisha, Vikas Malik
Keywords
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