Efficiency of quasiparticle evacuation in superconducting devices
Efficiency of quasiparticle evacuation in superconducting devices
The diffusion of excess quasiparticles in a current-biased superconductor strip in proximity to a metallic trap junction is studied. In particular, we have measured accurately the superconductor temperature at a near-gap injection voltage. By analyzing our data quantitatively, we provide a full description of the spatial distribution of excess quasiparticles …