Title :
Build-up dynamics of degenerate excitons luminescence at sub-K temperature in a trap in cuprous oxide
Author :
Suzuki, Hajime ; Morita, Yusuke ; Yoshioka, Kazuaki ; Kuwata-Gonokami, Makoto
Author_Institution :
Dept. of Phys., Univ. of Tokyo, Tokyo, Japan
Abstract :
We demonstrate time- and space-resolved luminescence measurements of quantum degenerate paraexcitons in cuprous oxide. We report dynamics of ultracold excitons such as the drift in a trap potential, cooling process, and lifetime of exctions.
Keywords :
copper compounds; excitons; photoluminescence; semiconductor materials; time resolved spectra; Cu2O; build-up dynamics; cuprous oxide; quantum degenerate paraexcitons; space-resolved luminescence measurements; sub-K temperature; time-resolved luminescence measurement; ultracold excitons; Crystals; Excitons; Luminescence; Refrigerators; Spatial resolution; Spectroscopy; Temperature measurement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
