Title :
Detecting coupled excitons by photoluminescence excitation in bi-layer quantum dots
Author :
Gotoh, H. ; Sanada, H. ; Kamada, H. ; Nakano, H. ; Ando, H. ; Temmyo, J.
Author_Institution :
NTT Basic Res. Labs., NTT Corp., Atsugi
Abstract :
The optical properties of coupled excitons are examined for bi-layer quantum dots by the single-dot photoluminescence excitation (PLE) spectroscopy. A clear guideline for detecting coupled excitons is provided with PL and PLE spectra.
Keywords :
excitons; photoluminescence; quantum dots; bi-layer quantum dots; coupled exciton detection; optical properties; photoluminescence excitation; Energy states; Excitons; Guidelines; Optical coupling; Photoluminescence; Physics; Quantum computing; Quantum dot lasers; Quantum dots; Spectroscopy; (260.3800) Luminescence; (270.1670) Coherent optical effects;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4628975