Title :
Liquid crystals based tunable high-Q directional random laser from a planar random microcavity
Author :
Song, Qinghai ; Xiao, Shumin ; Zhou, Xinchuan ; Liu, Liying ; Xu, Lei ; Wu, Yonggang ; Wang, Zhanshan
Author_Institution :
State Key Lab for Advanced Photonic Materials and Devices, Department of Optical Science and Engineering, School of Information Science and Engineering, Fudan University, Shanghai 200433, China
Abstract :
Temperature tunable directional laser emission from a liquid crystal based planar random cavity laser is presented. The emitted laser can be controlled as a ultra high Q factor (Q>20000) and highly directional single mode laser.
Keywords :
Laser excitation; Laser modes; Laser theory; Liquid crystals; Microcavities; Photonic crystals; Pump lasers; Surface emitting lasers; Temperature; Tunable circuits and devices;
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.2007.4431745
