Simulation Performance of a Sagnac Loop Terahertz Asymmetric Optical Demultiplexer for OTDM Systems

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Proceedings of SPIE - The International Society for Optical Engineering
Citações (Scopus)
Pereira Jr. A.A.
Martinez M.A.G.
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The aim of this work is to present a customized simulation tool for analysis and design of Sagnac loop TOAD's. Basically, we present a fast and versatile tool to emulate the behavior of some key design parameters like those found on non-linear elements, splitters, fiber delay line among others. After proper optimization, we use two different wavelengths for the control and signal hyperbolic secant pulses. Additionally, a band-pass filter is used to guarantee the transmission of signal pulses only. Furthermore, we analyze a bit to bit all optical demultiplexer, where one channel is extracted from a 64bit frame at 10Gbps transmission rate, and extend the implementation to work at 100Gbps. SNR better than 22dB are achieved with control pulse energy on the order of 200fJ and SOA bias current of 150mA. A degradation of SNR of about 17dB was verified for a variation of splitter coupling factor around 20%.
Assuntos Scopus
All-optical switching , Sagnac loop interferometers , Semiconductor optical amplifiers (SOA) , Tetrahertz optical asymmetric demultiplexers (TOAD)
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