Ghost crystals: from exceptional points to exchange interaction in linear optics

Evgenii E. Narimanov; Emroz Khan

doi:10.1117/12.2637482

3 October 2022 Ghost crystals: from exceptional points to exchange interaction in linear optics

Evgenii E. Narimanov, Emroz Khan

Proceedings Volume PC12195, Metamaterials, Metadevices, and Metasystems 2022; PC121951U (2022) https://doi.org/10.1117/12.2637482
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States

Abstract

We present a new class of structured optical media - composite materials that support guided modes which originate from the recently discovered electromagnetic "ghost" waves. Such "ghost crystals" show a broad range of novel optical phenomena - from the exceptional points to the linear-optical equivalent of the exchange interaction in correlated fermionic systems. In particular, the formation of the propagating waves in optical "ghost crystals" is related to the spin interaction in the Ising model, offering full control on the exchange dynamics and leading to a realization of the ferromagnetic – antiferromagnetic phase transition in a linear-optical system.

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Evgenii E. Narimanov and Emroz Khan "Ghost crystals: from exceptional points to exchange interaction in linear optics", Proc. SPIE PC12195, Metamaterials, Metadevices, and Metasystems 2022, PC121951U (3 October 2022); https://doi.org/10.1117/12.2637482

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KEYWORDS

Crystals

Crystal optics

Composites

Electromagnetism

Ferromagnetics

Optical properties

Radio propagation

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