Superheated free-electron gas in n-GaAs: the role of X-valley electrons in optical nonlinearities at 10.6 micron
 
Superheated free-electron gas in n-GaAs: the role of X-valley electrons in optical nonlinearities at 10.6 micron 
 
Gennady Shkerdin, Johan Stiens, Roger Vounckx