Title :
Probing superconducting gap dynamics with THz pulses
Author :
Beck, M. ; Klammer, M. ; Rousseau, I. ; Gol´tsman, G.N. ; Diamant, I. ; Dagan, Y. ; Demsar, J.
Author_Institution :
Dept. of Phys., Univ. of Konstanz, Konstanz, Germany
Abstract :
We studied superconducting gap dynamics in a BCS superconductor NbN and electron doped cuprate superconductor PCCO following excitation with near-infrared (NIR) and narrow band THz pulses. Systematic studies on PCCO imply very selective electron-phonon coupling.
Keywords :
BCS theory; cerium compounds; electron-phonon interactions; high-speed optical techniques; high-temperature superconductors; niobium compounds; praseodymium compounds; superconducting thin films; BCS superconductor; NbN; Pr1.85Ce0.15CuO4-d; electron doped cuprate superconductor; narrow band THz pulses; near-infrared THz pulses; selective electron-phonon coupling; superconducting gap dynamics; Couplings; High-temperature superconductors; Optical films; Optical pulses; Phonons; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
