Parity-time symmetry breaking and amplifier-absorber transitions in plasmonic nanoparticles

Nasim Mohammadi Estakhri; Andrea Alu

doi:10.1364/CLEO_QELS.2015.FTu2E.4

CLEO: 2015
OSA Technical Digest (online) (Optica Publishing Group, 2015),
paper FTu2E.4
•https://doi.org/10.1364/CLEO_QELS.2015.FTu2E.4

Parity-time symmetry breaking and amplifier-absorber transitions in plasmonic nanoparticles

Nasim Mohammadi Estakhri and Andrea Alù

CLEO: QELS_Fundamental Science 2015

San Jose, California United States
10–15 May 2015
ISBN: 978-1-55752-968-8

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Plasmonic Nanoantennas and Nanocavities (FTu2E)

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N. Mohammadi Estakhri and A. Alu, "Parity-time symmetry breaking and amplifier-absorber transitions in plasmonic nanoparticles," in CLEO: 2015, OSA Technical Digest (online) (Optica Publishing Group, 2015), paper FTu2E.4.

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Abstract

Abrupt transitions in the scattering response of parity-time (PT)-symmetric nanoparticles is discussed. Based on the closed-form analytical solution of a complex scattering problem, we show that material imbalance can generate strong absorbing or amplifying scattering states above PT threshold.

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