Microwave photonics with Josephson junction arrays: Negative refraction index and entanglement through disorder

David Zueco, Juan J. Mazo, Enrique Solano, and Juan José García-Ripoll
Phys. Rev. B 86, 024503 – Published 5 July 2012

Abstract

We study different architectures for a photonic crystal in the microwave regime based on superconducting transmission lines interrupted by Josephson junctions, both in one and two dimensions. A study of the scattering properties of a single junction in the line shows that the junction behaves as a perfect mirror when the photon frequency matches the Josephson plasma frequency. We generalize our calculations to periodic arrangements of junctions, demonstrating that they can be used for tunable band engineering, forming what we call a quantum circuit crystal. Two applications are discussed in detail. In a two-dimensional structure we demonstrate the phenomenon of negative refraction. We finish by studying the creation of stationary entanglement between two superconducting qubits interacting through a disordered media.

  • Figure
  • Figure
  • Figure
  • Figure
  • Figure
  • Figure
  • Received 6 October 2011

DOI:https://doi.org/10.1103/PhysRevB.86.024503

©2012 American Physical Society

Authors & Affiliations

David Zueco1,2, Juan J. Mazo1, Enrique Solano3,4, and Juan José García-Ripoll5

  • 1Instituto de Ciencia de Materiales de Aragón y Departamento de Física de la Materia Condensada, CSIC-Universidad de Zaragoza, E-50009 Zaragoza, Spain
  • 2Fundación ARAID, Paseo María Agustín 36, 50004 Zaragoza, Spain
  • 3Departamento de Química Física, Universidad del País Vasco UPV/EHU, Apartado 644, 48080 Bilbao, Spain
  • 4IKERBASQUE, Basque Foundation for Science, Alameda Urquijo 36, 48011 Bilbao, Spain
  • 5Instituto de Física Fundamental, IFF-CSIC, Serrano 113-bis, 28006 Madrid, Spain

Article Text (Subscription Required)

Click to Expand

References (Subscription Required)

Click to Expand
Issue

Vol. 86, Iss. 2 — 1 July 2012

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review B

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×