2015/03/31 by Yannis Laplace, Stéphanie Fernandez‐Peña, Stephanie Fernandez-Pena +5
Engineering · Physics and Astronomy · #Condensed matter physics #Cuprate #Heterojunction #Josephson effect #Mechanical and Optical Resonators #Optoelectronics #Phase (matter) #Photonic and Optical Devices #Physics #Plasmon #Polariton #Quantum mechanics #Strong Light-Matter Interactions #Superconductivity #Terahertz radiation #cond-mat.supr-con
paper · pdf · doi:10.1103/physrevb.93.075152
published as Phys. Rev. B 93, 075152 (2016)
arxiv created 2016/01/06 · openalex publication_date 2016/02/25 · arxiv updated 2016/03/02 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We discuss how complex-oxide heterostructures that include high-Tc superconducting cuprates can be used to realize an array of submillimeter cavities that support Josephson plasmon polaritons. These cavities have several attractive features for new types of light-matter interaction studies and we show that they promote ``ultrastrong'' coupling between THz frequency radiation and Josephson plasmons. Cavity electrodynamics of Josephson plasmons allows us to manipulate the superconducting order-parameter phase coherence. As an example, we discuss how it could be used to cool superconducting phase fluctuations with light.