DocumentCode :
2175988
Title :
Complexity and coherence in Random Lasers
Author :
Angelani, Luca ; Conti, Claudio ; Ruocco, Giancarlo ; Zamponi, Francesco
Author_Institution :
Univ. La Sapienza, Rome
fYear :
2007
fDate :
17-22 June 2007
Firstpage :
1
Lastpage :
1
Abstract :
In a nutshell, a random laser (RL) is a disordered amplifying cavity emitting coherent radiation. In the early developments, the theoretical framework at the basis of the RL has relied on light diffusion and localization. Various authors also reported on the emerging of many coupled oscillation modes while increasing the pump energy and the consequent non-trivial dynamics of the resulting optical signals. Coupling of modes were also reported. When considered from a semi-classical perspective, a multi-mode random laser strikingly displays those ingredients which are typical of the physics of complexity: i.e., randomness and nonlinearity. The latter is due to typical mode-interaction processes, like mode-competition and mode-locking, which have been studied since the beginning of laser theory.
Keywords :
laser mode locking; laser modes; laser theory; light coherence; light scattering; cavity emitting coherent radiation; coupled oscillation modes; laser mode locking; light diffusion; light localization; optical coherence; pump energy; random lasers; Coherence; Displays; Laser mode locking; Laser modes; Laser theory; Optical coupling; Optical pumping; Physics; Pump lasers; Stimulated emission;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Lasers and Electro-Optics, 2007 and the International Quantum Electronics Conference. CLEOE-IQEC 2007. European Conference on
Conference_Location :
Munich
Print_ISBN :
978-1-4244-0931-0
Electronic_ISBN :
978-1-4244-0931-0
Type :
conf
DOI :
10.1109/CLEOE-IQEC.2007.4386988
Filename :
4386988
Link To Document :
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