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Possibility of improved frequency response from intermixed quantum-well devices

Dao, Lap Van; Gal, Michael; Fu, Lan; Jagadish, Chennupati; Tan, Hark Hoe


We have measured the carrier capture times into intermixed In0.15Ga0.85As/Al0.2Ga0.8As quantum wells using the photoluminescence up-conversion technique. We confirm that the carrier capture into intermixed quantum wells is significantly shorter than capture into similar but nonintermixed samples. Using below and above band-gap excitation we were able to separate the various components effecting the carrier capture into the quantum well. We show that the reduction in the carrier capture times is...[Show more]

CollectionsANU Research Publications
Date published: 2001
Type: Journal article
Source: Superlattices and Microstructures
DOI: 10.1006/spmi.2000.0958


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