Title :
Photoluminescence excitation spectra in T-shaped quantum wires
Author :
Itoh, H. ; Hayamizu, Y. ; Yoshita, M. ; Akiyama, H. ; West, K.W. ; Pfeiffer, L.N.
Author_Institution :
Inst. for Solid State Phys., Tokyo Univ., Chiba, Japan
Abstract :
We measured polarization-dependent photoluminescence-excitation spectra, of high-quality T-shaped quantum wires at 5 K, and revealed absorption line shape of one-dimensional (1D) continuum and exciton states resulted from strong ID Coulomb interactions.
Keywords :
III-V semiconductors; aluminium compounds; excited states; excitons; gallium arsenide; photoluminescence; semiconductor quantum wires; spectral line breadth; 1D Coulomb interactions; 5 K; Al/sub x/Ga/sub 1-x/As; T-shaped quantum wires; absorption line shape; exciton states; one-dimensional continuum; photoluminescence excitation spectra; Absorption; Excitons; Laser excitation; Optical polarization; Optical surface waves; Optical waveguides; Photoluminescence; Shape measurement; Spectroscopy; Wires;
Conference_Titel :
Quantum Electronics and Laser Science, 2003. QELS. Postconference Digest
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-749-0
DOI :
10.1109/QELS.2003.237853
