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Publication Detail / Abstract

Y. Laplace, S. Fernandez-Pena, S. Gariglio, J.-M. Triscone, A. Cavalleri

Proposed cavity Josephson plasmonics with complex-oxide heterostructures

published in Physical Review B on February 25, 2016
> Full text via publisher

We discuss how complex-oxide heterostructures that include high-Tc superconducting cuprates can be used to realize an array of submillimeter cavities that support Josephson plasmon polaritons. These cavities have several attractive features for new types of light-matter interaction studies and we show that they promote "ultrastrong" coupling between THz frequency radiation and Josephson plasmons. Cavity electrodynamics of Josephson plasmons allows to manipulate the superconducting order-parameter phase coherence. As an example, we discuss how it could be used to cool superconducting phase fluctuations with light.

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