Title :
Two-/three-photon pumped ultraviolet nanorod lasers
Author :
Zhang, Chunfeng ; Zhang, Fan ; Xu, Jian
Author_Institution :
Dept. of Eng. Sci. & Mech., Penn State Univ., State College, PA
Abstract :
With femtosecond-pulse excitation, two- and three-photon absorption induced ultraviolet lasing with spectral linewidth 0.2-1 nm have been realized under very low excitation threshold from ZnO nanorod arrays at both room and liquid nitrogen temperatures.
Keywords :
II-VI semiconductors; high-speed optical techniques; light absorption; nanostructured materials; spectral line breadth; wide band gap semiconductors; zinc compounds; ZnO; femtosecond-pulse excitation; nanorod arrays; spectral linewidth; three-photon absorption; two-photon absorption; ultraviolet nanorod lasers; Electromagnetic wave absorption; Laser excitation; Optical arrays; Optical feedback; Optical pumping; Optical scattering; Pump lasers; Temperature; Ultrafast optics; Zinc oxide; 140.5960; 190.4180;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
