Controlling Atom-Photon Bound States in an Array of Josephson-Junction Resonators
Artikel i vetenskaplig tidskrift, 2022
Engineering the electromagnetic environment of a quantum emitter gives rise to a plethora of exotic light -matter interactions. In particular, photonic lattices can seed long-lived atom-photon bound states inside photonic band gaps. Here, we report on the concept and implementation of a novel microwave architecture consisting of an array of compact superconducting resonators in which we have embedded two frequency -tunable artificial atoms. We study the atom-field interaction and access previously unexplored coupling regimes, in both the single-and double-excitation subspace. In addition, we demonstrate coherent interactions between two atom-photon bound states, in both resonant and dispersive regimes, that are suitable for the implementation of SWAP and CZ two-qubit gates. The presented architecture holds promise for quantum simulation with tunable-range interactions and photon transport experiments in the nonlinear regime.
Författare
Marco Scigliuzzo
Chalmers, Mikroteknologi och nanovetenskap, Kvantteknologi
Giuseppe Calajo
Barcelona Institute of Science and Technology (BIST)
Francesco Ciccarello
Consiglio Nazionale delle Ricerche (CNR)
Universita degli Studi di Palermo
Daniel Perez Lozano
Chalmers, Mikroteknologi och nanovetenskap, Kvantteknologi
Andreas Bengtsson
Chalmers, Mikroteknologi och nanovetenskap, Kvantteknologi
Pasquale Scarlino
Ecole Polytechnique Federale de Lausanne (EPFL)
Andreas Wallraff
Eidgenössische Technische Hochschule Zürich (ETH)
Darrick Chang
Institucio Catalana de Recerca i Estudis Avancats
Barcelona Institute of Science and Technology (BIST)
Per Delsing
Chalmers, Mikroteknologi och nanovetenskap, Kvantteknologi
Simone Gasparinetti
Chalmers, Mikroteknologi och nanovetenskap, Kvantteknologi
Physical Review X
21603308 (eISSN)
Vol. 12 3 031036Ämneskategorier
Atom- och molekylfysik och optik
Annan fysik
Den kondenserade materiens fysik
DOI
10.1103/PhysRevX.12.031036