Shedding light on topological superconductors

K. H.A. Villegas; V. M. Kovalev; F. V. Kusmartsev; I. G. Savenko

doi:10.1103/PhysRevB.98.064502

Shedding light on topological superconductors

K. H.A. Villegas, V. M. Kovalev, F. V. Kusmartsev, I. G. Savenko

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

We propose an effective optical approach to monitor superconductors in a two-layer superconductor-normal metal structure. Effectively, such a hybrid system represents a resonator, where electrons are strongly coupled with light. We show that the interaction of light with the superconductor is strongly boosted in the presence of the neighboring metal and, as a result, the electromagnetic power absorption of the system is dramatically enhanced. It manifests itself in a giant Fano-type resonance which can uniquely characterize the elementary excitations of the system. Our approach is especially promising for topological superconductors, where Majorana fermions could be revealed and controlled by light.

Original language	English
Article number	064502
Journal	Physical Review B
Volume	98
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevB.98.064502
State	Published - 7 Aug 2018
Externally published	Yes

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AU - Savenko, I. G.

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Shedding light on topological superconductors

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