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Phang, Sendy, Vukovic, Ana, Benson, Trevor M., Creagh, Stephen, Sewell, Phillip and Gradoni, Gabriele (2014) Saturable and dispersive parity-time symmetric directional coupler: a transmission-line modelling study. In: Transparent Optical Networks (ICTON), 2014 16th International Conference on, 6-10 July 2014, Graz, Austria.

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Abstract

In this paper, numerical modelling of Parity-Time (PT) coupled waveguides is reported. The PT coupled waveguide structure consists of two coupled slab waveguides based on GaAs material with gain/loss material parameter models, including both dispersion and saturation. The numerical model used analyses the impact of dispersion and saturation on the eigenmode extracted by a curve fitting approach. The results show that the presence of saturation may prohibit the appearance of the threshold point above which the PT system becomes unstable.

Item Type:	Conference or Workshop Item (Paper)
RIS ID:	https://nottingham-repository.worktribe.com/output/999523
Additional Information:	Published in: 16th International Conference on Transparent Optical Networks, Graz, Austria, July 6-10, 2014. pp. 1-6 doi: 10.1109/ICTON.2014.6876685. © 2014 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.
Schools/Departments:	University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
Depositing User:	Phang, Sendy
Date Deposited:	21 Jul 2015 10:07
Last Modified:	04 May 2020 20:17
URI:	https://eprints.nottingham.ac.uk/id/eprint/28717

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