Parity-time chain of whispering-gallery mode resonators

Phang, Sendy, Vukovic, Ana, Creagh, Stephen, Benson, Trevor M., Gradoni, Gabriele and Sewell, Phillip D. (2015) Parity-time chain of whispering-gallery mode resonators. In: META15, the 6th International Conference on Metamaterials, Photonic Crystals and Plasmonics, 4-7 August 2015, New York, USA.

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The paper analyses the dispersion characteristics of an infinitely long PT chain made of whispering gallery resonators with gain/loss modulation. The results show that the appearance of the threshold breaking point depends not only on both of coupling and gain/loss modulation but also on the Bloch phase. The Bloch phase is seen as an additional parameter that can reduce or even completely eliminate PT-breaking threshold.

Item Type: Conference or Workshop Item (Lecture)
Additional Information: ISBN 978-2-9545460-7-0
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
University of Nottingham, UK > Faculty of Science > School of Mathematical Sciences
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Depositing User: Phang, Sendy
Date Deposited: 17 Aug 2015 08:21
Last Modified: 04 May 2020 17:15

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