Journal article
Intrinsic picosecond response times of Y–Ba–Cu–O superconducting photodetectors
Abstract
We report our femtosecond time-resolved measurements on the photoresponse of an epitaxial YBa2Cu3O7−x (YBCO) thin-film photodetector, patterned into a microbridge geometry. By varying the current–voltage biasing conditions between the superconducting and resistive (hot spot) states, we observed transients that correspond to the nonequilibrium kinetic-inductance and the nonequilibrium electron-heating response mechanisms, respectively. The …
Authors
Lindgren M; Currie M; Williams C; Hsiang TY; Fauchet PM; Sobolewski R; Moffat SH; Hughes RA; Preston JS; Hegmann FA
Journal
Applied Physics Letters, Vol. 74, No. 6, pp. 853–855
Publisher
AIP Publishing
Publication Date
February 8, 1999
DOI
10.1063/1.123388
ISSN
0003-6951