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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the European Policies Research Centre (EPRC).

EPRC is a leading institute in Europe for comparative research on public policy, with a particular focus on regional development policies. Spanning 30 European countries, EPRC research programmes have a strong emphasis on applied research and knowledge exchange, including the provision of policy advice to EU institutions and national and sub-national government authorities throughout Europe.

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Pulse-power-detection analysis of incoherent O-CDMA systems under the influence of fiber temperature fluctuations

Tsai, Chun-Yi and Yang, Guu-Chang and Lin, Jing-Shiuan and Chang, Cheng-Yuan and Glesk, Ivan and Kwong, Wing C. (2017) Pulse-power-detection analysis of incoherent O-CDMA systems under the influence of fiber temperature fluctuations. Journal of Lightwave Technology, 35 (12). 2366 - 2379. ISSN 0733-8724

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Abstract

In this paper, a pulse-shift technique, which divides every time slot (or chip) into equal-width sub-chips, is used to model the effect of fiber temperature fluctuations in incoherent optical code-division multiple-access (O-CDMA) systems. With the advance in all-optical thresholding technology, power detection of ultrashort optical pulses is possible. This paper also formulates a new pulse-power-detection model for incoherent OCDMA and applies it to the analysis of the pulse-shift technique as a case study. Numerical studies and computer simulations are presented to validate the new analytical model. Our study presents a more realistic theoretical model of all-optical thresholding in incoherent O-CDMA and results in better performance than the conventional pulse-energy-detection model.