Title :
Spontaneous coherence, interaction and kinetics of macroscopically ordered exciton state
Author :
Yang, Sen ; Hammack, A.T. ; Mintsev, A.V. ; Fogler, M.M. ; Butov, L.V. ; Levitov, L.S. ; Simons, B.D. ; Gossard, A.C.
Author_Institution :
Dept. of Phys., Univ. of California, San Diego, La Jolla, CA
Abstract :
The macroscopically ordered exciton state (MOES) appears in the external exciton rings in GaAs/(Al,Ga)As coupled quantum wells below a few Kelvin. Here, we report on the experimental study of coherence, interaction and kinetics of MOES.
Keywords :
III-V semiconductors; excitons; gallium arsenide; light coherence; semiconductor quantum wells; GaAs-(AlGa)As; GaAs/(Al,Ga)As coupled quantum wells; external exciton rings; macroscopically ordered exciton state; spontaneous coherence; Coherence; Excitons; Gases; Kelvin; Kinetic theory; Laser excitation; Photoluminescence; Physics; Ring lasers; Temperature; (270.1670) Coherent optical effects; (300.6470) Spectroscopy, semiconductors;
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