Title :
Mid-infrared absorption imaging of trapped paraexcitons in cuprous oxide
Author :
Yoshioka, Kazuaki ; Kuwata-Gonokami, Makoto
Author_Institution :
Dept. of Phys., Univ. of Tokyo, Tokyo, Japan
Abstract :
Absorption imaging of trapped dark excitons in a bulk semiconductor is realized. 1s-2p transition in the mid-infrared is used to detect 1s paraexcitons. This technique is crucial to observe the Bose-Einstein condensate of excitons directly.
Keywords :
Bose-Einstein condensation; copper compounds; excitons; infrared imaging; superconducting transitions; Bose-Einstein condensate; Cu2O; bulk semiconductor; cuprous oxide; is-2p transition; mid-infrared absorption imaging; trapped dark excitons; trapped paraexcitons; Absorption; Atomic measurements; Educational institutions; Excitons; Imaging; Photonics; Spectroscopy;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
