Perfect energy-feeding into strongly coupled systems and interferometric control of polariton absorption (Articolo in rivista)

Type
Label
  • Perfect energy-feeding into strongly coupled systems and interferometric control of polariton absorption (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1038/nphys3106 (literal)
Alternative label
  • Zanotto S.[ 1,2 ] ; Mezzapesa F.P.[ 3,4 ]; Bianco F.[ 1,2 ] ; Biasiol G.[ 5 ]; Baldacci L.[ 1,2 ]; Vitiello M.S.[ 1,2 ]; Sorba L.[ 1,2 ]; Colombelli R.[ 6 ]; Tredicucci A.[ 1,2 ] (2014)
    Perfect energy-feeding into strongly coupled systems and interferometric control of polariton absorption
    in Nature physics (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Zanotto S.[ 1,2 ] ; Mezzapesa F.P.[ 3,4 ]; Bianco F.[ 1,2 ] ; Biasiol G.[ 5 ]; Baldacci L.[ 1,2 ]; Vitiello M.S.[ 1,2 ]; Sorba L.[ 1,2 ]; Colombelli R.[ 6 ]; Tredicucci A.[ 1,2 ] (literal)
Pagina inizio
  • 830 (literal)
Pagina fine
  • 834 (literal)
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  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84908607580&partnerID=q2rCbXpz (literal)
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  • 10 (literal)
Rivista
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  • 11 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] CNR, NEST, Ist Nanosci, I-56127 Pisa, Italy [ 2 ] Scuola Normale Super Pisa, I-56127 Pisa, Italy [ 3 ] Univ Bari Aldo Moro, CNR, Ist Foton & Nanotecnol UOS Bari, I-70126 Bari, Italy [ 4 ] Univ Bari Aldo Moro, Dipartimento Interateneo Fis, I-70126 Bari, Italy [ 5 ] CNR IOM, Lab TASC, I-34149 Trieste, Italy [ 6 ] Univ Paris 11, CNRS, Inst Elect Fondamentale, UMR8622, F-91405 Orsay, France (literal)
Titolo
  • Perfect energy-feeding into strongly coupled systems and interferometric control of polariton absorption (literal)
Abstract
  • The ability to drive a system with an external input is a fundamental aspect of light-matter interaction. The key concept in many photonic applications is the a critical couplinga condition: at criticality, all the energy fed to the system is dissipated within the system itself. Although this idea was crucial to enhance the efficiency of many devices, it was never considered in the context of systems operating in a non-perturbative regime. In this so-called strong-coupling regime, the matter and light degrees of freedom are mixed into dressed states, leading to new eigenstates called polaritons. Here we demonstrate that the strong-coupling regime and the critical coupling condition can coexist; in such a strong critical coupling situation, all the incoming energy is converted into polaritons. A general semiclassical theory reveals that such a situation corresponds to a special curve in the phase diagram of the coupled light-matter oscillators. In the case of a system with two radiating ports, the phenomenology shown is that of coherent perfect absorption (CPA; refs,), which is then naturally understood in the framework of critical coupling. Most importantly, we experimentally verify polaritonic CPA in a semiconductor-based intersubband-polariton photonic crystal resonator. This result opens new avenues in polariton physics, making it possible to control the pumping efficiency of a system independent of the energy exchange rate between the electromagnetic field and the material transition. (literal)
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