Bound-to-continuum Non-perturbative Regime for an Ultrastong Light-matter Coupling

Rajabali, S.; Cortese, Erika; Beck, Mattias; De Liberato, Simone; Faist, Jérôme; Scalari, Giacomo

Bound-to-continuum Non-perturbative Regime for an Ultrastong Light-matter Coupling

Conference paper (2021)

Authors

S. Rajabali ETH Zürich

Erika Cortese University of Southampton

Mattias Beck ETH Zürich

Simone De Liberato University of Southampton

Jérôme Faist ETH Zürich

Giacomo Scalari ETH Zürich

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Published Date

2021

Language

English

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Abstract

In this work, we theoretically and experimentally show that the confinement of an electromagnetic field below critical length-scales can excite high momentum matter resonances and can ultimately limit the light-matter coupling enhancement in an ultrastrong coupling regime.