Tuning Metastable Light-Induced Superconductivity in K3C60 with a Hybrid CO2-Ti:Sapphire Laser

Matthias Budden,Thomas Gebert,Michele Buzzi,Gregor Jotzu,Eryin Wang,Toru Matsuyama,Guido Meier,Yannis Laplace,Daniele Pontiroli,Mauro Riccò,Frank Schlawin,Dieter Jaksch,Andrea Cavalleri

Tuning Metastable Light-Induced Superconductivity in K3C60 with a Hybrid CO2-Ti:Sapphire Laser

2021

Matthias Budden
Thomas Gebert
Michele Buzzi
Gregor Jotzu
Eryin Wang
Toru Matsuyama
Guido Meier
Yannis Laplace
Daniele Pontiroli
Mauro Riccò
Frank Schlawin
Dieter Jaksch
Andrea Cavalleri

High power mid-infrared light pulses of tunable pulse length were generated to stabilize light-induced superconductivity in K3C60 for nanoseconds. This metastable state showed a vanishing electrical resistance at five times the material’s equilibrium critical temperature.

Keywords:

Pulse duration
light induced
Metastability
ultrafast optics
Ti:sapphire laser
Electrical resistance and conductance
Nanosecond
Superconductivity
Materials science
Optoelectronics

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