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DWDM technology: implementation on a unidirectional system through algorithmic approach

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5 Author(s)
M. S. Islam ; Dept. of Appl. Phys. & Electron., Dhaka Univ., Bangladesh ; Sk. Md. M. Rahman ; S. M. Masum ; S. Parveen
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Dense wavelength division multiplexing technology has been introduced to transmit multiple information streams simultaneously over a single fiber at a data rate as high as the fiber plant allows (2.4 Gbps). For this an algorithm has been developed on a transmission network of an end-to-end unidirectional system. The system supports SONET/SDH sort-reach optical interface to which any client compliant device can be attached. The algorithm has been implemented by using C++ language. The frequency bandwidth has been selected in the range of C to V band, as designated by ITU grid. In the end-to-end unidirectional based DWDM system, the transponder accepts input in the form of a standard single-mode or multimode laser. These wavelengths have been mapped to a DWDM wavelength which has been multiplexed into a single optical signal and launched into the fiber. A preamplifier should be used before it enters the end system. The incoming signal is demultiplexed into individual DWDM lambdas (or wavelengths).

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Parallel and Distributed Computing, Applications and Technologies, 2003. PDCAT'2003. Proceedings of the Fourth International Conference on

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