DocumentCode
1687840
Title
Intense terahertz pulse-induced nonequilibrium BCS state in superconducting NbN
Author
Matsunaga, Ryusuke ; Shimano, Ryo
Author_Institution
Dept. of Phys., Univ. of Tokyo, Tokyo, Japan
fYear
2012
Firstpage
1
Lastpage
2
Abstract
We perform terahertz(THz)-pump-THz-probe spectroscopy to study ultrafast dynamics of BCS superconductor NbN. Resonant photo-injection of high density quasiparticles realized by the intense THz pump pulses results in a nonequilibrium BCS state.
Keywords
BCS theory; high-speed optical techniques; niobium compounds; quasiparticles; superconducting materials; terahertz wave spectra; NbN; high-density quasiparticles; intense terahertz pulse-induced nonequilibrium BCS state; pump-THz-probe spectroscopy; resonant photoinjection; superconducting materials; ultrafast dynamics; Crystals; Optical films; Optical pulses; Optical pumping; Pump lasers; Spectroscopy;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location
San Jose, CA
Print_ISBN
978-1-4673-1839-6
Type
conf
Filename
6326952
Link To Document