Title :
Confined excitons with ultrafast radiative decay time less than 100 fs enabling survival at room temperature
Author :
Ichimiya, M. ; Mochizuki, K. ; Ashida, M. ; Yasuda, H. ; Ishihara, H. ; Itoh, T.
Author_Institution :
Dept. of Phys., Osaka Dental Univ., Hirakata, Japan
Abstract :
Temperature dependence of degenerate four-wave mixing signal in high-quality CuCl thin films was investigated. We observed the signal of modes with large radiative width at high temperatures due to ultrafast radiative decay faster than dephasing.
Keywords :
Excitons; Nonlinear optical devices; Nonlinear optics; Optical films; Optical mixing; Optical scattering; Semiconductor thin films; Temperature dependence; Transistors; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA, USA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2