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Calculation of bit error rates in optical systems with silicon photonic wires

You, J; Panoiu, NC; (2015) Calculation of bit error rates in optical systems with silicon photonic wires. IEEE Journal of Quantum Electronics , 51 (4) , Article 8400108. 10.1109/JQE.2015.2398516. Green open access

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Abstract

A theoretical approach to calculate the bit error rate (BER) in optical systems containing silicon photonic wires (Si-PhWs) is presented. Specifically, the optical link consists of a single-mode silicon-on-insulator strip waveguide followed by a direct-detection optical receiver containing an optical filter, an ideal square-law photodetector, and an electrical filter. We assume that the optical input consists of a superposition of a nonreturn-to-zero ON-OFF keying modulated optical signal and an additive white Gaussian noise, the BER of the transmitted optical signal being calculated using the time domain Karhunen-Loève expansion method. The propagation of the optical signal in the Si-PhW is described by employing both a rigorous theoretical model that incorporates all relevant linear and nonlinear optical effects and the mutual interaction between the free carriers and the optical field, as well as a linearized model valid in the low-noise power regime. These analytical and computational tools are then used to comprehensively investigate the influence of the parameters characterizing the waveguide and optical signal on the transmission BER.

Type: Article
Title: Calculation of bit error rates in optical systems with silicon photonic wires
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/JQE.2015.2398516
Publisher version: http://dx.doi.org/10.1109/JQE.2015.2398516
Language: English
Additional information: © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Keywords: AWGN, elemental semiconductors, error statistics, light transmission, nonlinear optics, optical filters, optical links, optical modulation, optical noise, optical receivers, optical waveguides, photodetectors, silicon, silicon-on-insulator, daptive optics, Bit error rate, Noise, Nonlinear optics, Optical noise, Optical receivers, Optical waveguides, Si, additive white Gaussian noise, bit error rate calculation, direct-detection optical receiver, electrical filter, low-noise power regime, nonlinear optical effects, nonreturn-to-zero ON-OFF keying modulated optical signal transmission, optical filter, optical link, optical systems, silicon photonic wires, single-mode silicon-on-insulator strip waveguide, square-law photodetector, time domain Karhunen-Loeve expansion method, BER evaluation, Karhunen-Loeve expansion, Silicon photonic wires, direct-detection receiver, direct-detection receiver, nonlinear pulse propagation, optical interconnects
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Education
UCL > Provost and Vice Provost Offices > School of Education > UCL Institute of Education
UCL > Provost and Vice Provost Offices > School of Education > UCL Institute of Education > Centre for Languages and Intl Educatn
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1463901
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