Signatures of the ultrastrong light-matter coupling regime (Articolo in rivista)

Type
Label
  • Signatures of the ultrastrong light-matter coupling regime (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.79.201303 (literal)
Alternative label
  • A.A. Anappara; S. De Liberato; A. Tredicucci; C. Ciuti; G. Biasiol; L. Sorba; F. Beltram (2009)
    Signatures of the ultrastrong light-matter coupling regime
    in Physical review. B, Condensed matter and materials physics; American Physical Society (APS), College Pk (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A.A. Anappara; S. De Liberato; A. Tredicucci; C. Ciuti; G. Biasiol; L. Sorba; F. Beltram (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://prb.aps.org/abstract/PRB/v79/i20/e201303 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 79 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 201303 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 20 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • NEST CNR-INFM and Scuola Normale Superiore, Piazza dei Cavalieri 7, I-56126 Pisa, Italy; Laboratoire Matériaux et Phénomènes Quantiques, Université Paris Diderot-Paris 7 and CNRS, UMR 7162, 75013 Paris, France; Laboratoire Pierre Aigrain, Ecole Normale Supérieure and CNRS, 75005 Paris, France; Laboratorio Nazionale TASC, CNR-INFM, Area Science Park, SS 14 Km 163.5, Basovizza, I-34012 Trieste, Italy (literal)
Titolo
  • Signatures of the ultrastrong light-matter coupling regime (literal)
Abstract
  • In a microcavity, light-matter coupling is quantified by the vacuum-Rabi frequency Omega(R). When Omega(R) is larger than radiative and nonradiative loss rates, the system eigenstates (polaritons) are linear superposition of photonic and electronic excitations, a condition actively investigated in diverse physical implementations. Recently, a quantum electrodynamic regime (ultrastrong coupling) was predicted when Omega(R) becomes comparable to the transition frequency. Here we report signatures of this regime in a quantum-well intersubband microcavity. Measuring the cavity-polariton dispersion in a room-temperature linear optical experiment, we directly observe the antiresonant light-matter coupling and the photon-energy renormalization of the vacuum field. (literal)
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