Work

Switchable Ultrastrong Coupling in Circuit QED

Year: 2010

Type: article

Abstract: We propose different designs of switchable coupling between a superconducting flux qubit and a microwave transmission line. They are based on two or more loops of Josephson junctions which are directly connected to a closed (cavity) or open transmission line. In both cases the circuit induces a coupling that can be modulated in strength, reaching the so-called ultrastrong coupling regime in which the coupling is comparable to the qubit and photon frequencies. Furthermore, we suggest a wide set of applications for the introduced architectures.

Source: Physical Review Letters

DOI: 10.1103/physrevlett.105.023601

Authors: B. Peropadre, P. Forn-Díaz, E. Solano, J. J. García-Ripoll

Institutions: Consejo Superior de Investigaciones Científicas, Instituto de Física Fundamental, Delft University of Technology, Ikerbasque, University of the Basque Country

Language: English

Topic: Quantum Information and Cryptography

Subfield: Artificial Intelligence

Field: Computer Science

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W2074924470

FWCI: 16.29

Cites: 32

Cited by: 181

Related to: 10