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Design and simulation of non-zero and zero dispersion optical lattice wavelength filters

Ananda, Artha Sejati (2004) Design and simulation of non-zero and zero dispersion optical lattice wavelength filters.

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Abstract:A multiwavelength optical network is an attractive technology to realize the potential of the huge bandwidth and transmission capacity of optical fiber and to build a flexible optical network. Optical filters are needed for multiplexing, demultiplexing, and add/drop functions. The most obvious application of the bandpass filters is to demultiplex very closely spaced wavelength channels. In this thesis project, the dispersion of the used filters of the add-drop multiplexers (ADM) is the main problem to be overcome. Investigation of the solution for a zero dispersion of the complete ADM device is made. The approach for the analytical filter design synthesis is the digital signal processing technique. In this report, four kinds of filter are designed. Two types of them have linear phase response of the transfer function and hence zero dispersion. The other two filters have non-linear phase response of the transfer function and hence non-zero dispersion. All the filters are designed such as they have a passband flattened amplitude response. The performance of the proposed filters will be analysed also. Simulations are made for a binary data input to check whether distortion and intersymbol interference occur after filtering.
Item Type:Essay (Master)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Subject:54 computer science
Programme:Telematics MSc (60032)
Link to this item:http://purl.utwente.nl/essays/59683
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