Mathematical modelling and BER analysis of 100 Gbs NOLM demultiplexer using a soliton-shaped pulse for control and data

Cheung, Chin Ying, Ghassemlooy, Zabih and Swift, Graham (2000) Mathematical modelling and BER analysis of 100 Gbs NOLM demultiplexer using a soliton-shaped pulse for control and data. IEE Proceedings - Optoelectronics, 147 (4). pp. 245-250. ISSN 1350-2433

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Official URL: http://dx.doi.org/10.1049/ip-opt:20000491

Abstract

A mathematical model for the non-linear optical loop mirror (NOLM) demultiplexer, operating with a soliton-shaped pulse for both control and data, is presented. The model can be used: to optimise system parameters (control pulse width, walk-off time etc.) for maximising peak transmittance of the switching profile; to calculate the switching profile width; and to estimate the switching profile through a new convolution approach. The simulation results are verified by numerically solving the non-linear Schrodinger equation. The NOLM model is then integrated into an optical receiver model for a bit error rate (BER) analysis. Simulation results show that BER, timing jitter noise and cross-talk are strongly dependent on the walk-off time between control and signal pulses in NOLM demultiplexing. The dependence of the BER on walk-off time agrees qualitatively with experimental results reported elsewhere.

Item Type: Article
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 25 Apr 2014 13:57
Last Modified: 03 Mar 2016 11:51
URI: http://nrl.northumbria.ac.uk/id/eprint/16159

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