Spectral narrowing in DOO-PPV films: Superradiance or amplified spontaneous emission?

被引:11
作者
Frolov, SV [1 ]
Ozaki, M [1 ]
Gellermann, W [1 ]
Shkunov, M [1 ]
Vardeny, ZV [1 ]
Yoshino, K [1 ]
机构
[1] OSAKA UNIV,DEPT ELECT ENGN,SUITA,OSAKA 565,JAPAN
关键词
superradiance; superfluorescence; amplified spontaneous emission; solid state polymer lasers;
D O I
10.1016/S0379-6779(97)80832-6
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We discuss different interpretations for the spectral narrowing of the emission in thin films of DOO-PPV. We argue that it is more likely due to excitonic cooperative emission(superradiance) rather than amplified spontaneous emission, or lasing.
引用
收藏
页码:473 / 474
页数:2
相关论文
共 7 条
[1]   COHERENCE IN SPONTANEOUS RADIATION PROCESSES [J].
DICKE, RH .
PHYSICAL REVIEW, 1954, 93 (01) :99-110
[2]  
FROLOV SV, P ICSM 96
[3]  
Kogelnik H., 1988, Guided-wave optoelectronics, P7
[4]  
Siegman A., 1986, LASERS
[5]  
TESSLER N, P ICSM 96
[6]  
Vrehen Q. H. F., 1982, Dissipative systems in quantum optics. Resonance fluorescence, optical bistability, superfluorescence, P111
[7]  
YARIV A, 1975, QUANTUM ELECTRONICS