Title :
Evaluation of density-dependent lifetime of 1s paraexcitons in Cu2O by cw laser based excitonic Lyman spectroscopy
Author :
Yoshioka, Kosuke ; Ideguchi, Takuro ; Kuwata-Gonokami, Makoto
Author_Institution :
Dept. of Appl. Phys., Tokyo Univ., Tokyo
Abstract :
The lifetime and the Auger coefficient for 1s paraexctons in Cu2O from 5 K to 70 K was measured directly using excitonic Lyman spectroscopy. A possible experiment for realizing excitonic Bose-Einstein condensation is discussed.
Keywords :
Auger effect; Bose-Einstein condensation; copper compounds; exchange interactions (electron); excitons; high-speed optical techniques; semiconductor materials; time resolved spectra; Auger coefficient; Cu2O; bulk semiconductor; cw laser based excitonic Lyman spectroscopy; density-dependent 1s paraexciton lifetime; electron-hole exchange interaction; excitonic Bose-Einstein condensation; quantum condensation; temperature 5 K to 70 K; time-resolved induced absorption spectra; Absorption; Density measurement; Excitons; Infrared spectra; Laser excitation; Laser transitions; Luminescence; Probes; Spectroscopy; Temperature; (300.6340) Spectroscopy, infrared; (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
