Direct Observation of Strong Quantum-Confined Stark Effect in Vertically-Stacked Quantum Dots at Room Temperature

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Copyright (c) 2000 The Japan Society of Applied Physics
, , Citation Jung-Hoon Ser et al 2000 Jpn. J. Appl. Phys. 39 L518 DOI 10.1143/JJAP.39.L518

1347-4065/39/6A/L518

Abstract

Strong quantum-confined Stark effect of vertically-stacked quantum dots (VSQDs) is observed by electroabsorption spectroscopy at room temperature. Contrary to single-layer QDs, the VSQDs show a large red shift of 9.4 meV with electric-field change of 60 kV/cm.

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10.1143/JJAP.39.L518