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Concentrated oscillator strength of one-dimensional excitons in quantum wires observed with photoluminescence excitation spectroscopy

Hidefumi Akiyama, Takao Someya, and Hiroyuki Sakaki
Phys. Rev. B 53, R16160(R) – Published 15 June 1996
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Abstract

Photoluminescence excitation spectra have been measured on a series of T-shaped quantum-wire (T-QWR) samples fabricated by the cleaved-edge overgrowth method with molecular-beam epitaxy, in which the lateral confinement is systematically changed. We have successfully evaluated the absorption area intensity of one-dimensional (1D) excitons, and found the concentration of oscillator strength into 1D exciton states with increased lateral confinement.

  • Received 20 March 1996

DOI:https://doi.org/10.1103/PhysRevB.53.R16160

©1996 American Physical Society

Authors & Affiliations

Hidefumi Akiyama, Takao Someya, and Hiroyuki Sakaki

  • Precursory Research for Embryonic Science and Technology (PRESTO) and Quantum Transition Project, Research Development Corporation of Japan and Research Center for Advanced Science and Technology, University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153, Japan

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Vol. 53, Iss. 24 — 15 June 1996

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