Coaction of Disorder and PT-symmetry in Deep Subwavelength Multilayers

Alex Dikopoltsev; Ariel Shaham; Adi Pick; Hanan Herzig Sheinfux; Mordechai Segev

doi:10.1364/FIO.2019.JTu4A.45

Frontiers in Optics + Laser Science APS/DLS
OSA Technical Digest (Optica Publishing Group, 2019),
paper JTu4A.45
•https://doi.org/10.1364/FIO.2019.JTu4A.45

Coaction of Disorder and PT-symmetry in Deep Subwavelength Multilayers

Alex Dikopoltsev, Ariel Shaham, Adi Pick, Hanan Herzig Sheinfux, and Mordechai Segev

Laser Science 2019

Washington, DC United States
15–19 September 2019
ISBN: 978-1-943580-67-5

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Poster Session II (JTu4A)

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A. Dikopoltsev, A. Shaham, A. Pick, H. H. Sheinfux, and M. Segev, "Coaction of Disorder and PT-symmetry in Deep Subwavelength Multilayers," in Frontiers in Optics + Laser Science APS/DLS, OSA Technical Digest (Optica Publishing Group, 2019), paper JTu4A.45.

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Abstract

We study nonHermitian PT-symmetric subwavelength photonic structures. Surprisingly, disorder lowers the critical gain/loss required to break PT-symmetry. Biasing these structures with loss makes them nearly perfect absorbers with a single input beam.

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