Title :
Multi-photon route to ultraviolet nanowire lasers
Author :
Zhang, Chunfeng ; Dong, Zhiwei ; Liu, Kangjun ; You, Guanjun ; Qian, Shixiong
Author_Institution :
State Key Lab for Applied Surface Physics and Physics Department, Fudan University, Shanghai 200433, China
Abstract :
Multi-photon absorption pumped ultraviolet ZnO nanolasers were demonstrated with femtosecond pulses at room temperature. Time resolved photoluminescence revealed that the exciton collision effect played an important role in the nonlinear lasing mechanisms.
Keywords :
Electromagnetic wave absorption; Excitons; Laser excitation; Optical pumping; Photonic band gap; Pump lasers; Semiconductor lasers; Surface emitting lasers; Ultrafast optics; Zinc oxide;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431713
