Non-Hermiticity Induced Flat Bands

Hamidreza Ramezani

doi:10.1364/FIO.2017.FTh1A.1

Frontiers in Optics 2017
OSA Technical Digest (online) (Optica Publishing Group, 2017),
paper FTh1A.1
•https://doi.org/10.1364/FIO.2017.FTh1A.1

Non-Hermiticity Induced Flat Bands

Hamidreza Ramezani

Frontiers in Optics 2017

Washington, D.C. United States
18–21 September 2017
ISBN: 978-1-943580-33-0

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Tailoring Light with Naonophotonic Structures (FTh1A)

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H. Ramezani, "Non-Hermiticity Induced Flat Bands," in Frontiers in Optics 2017, OSA Technical Digest (online) (Optica Publishing Group, 2017), paper FTh1A.1.

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Abstract

We demonstrate generation of a robust entire flat band at the exceptional point of a PT symmetric lattice. The obtained flat band is embedded in between dispersive bands and can be considered as BIC [1].

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