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Up-conversion by using Γ-X-Γ carrier transport in asymmetric double quantum well systems

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5 Author(s)
Sato, M. ; Osaka City Univ., Japan ; Hirose, Y. ; Domoto, C. ; Aida, T.
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We demonstrate up-converted light emission from an asymmetric double quantum well (QW). Carriers in the wide QW, which are photogenerated by a long wavelength light, are transferred and collected into the adjacent narrow quantum well by using Γ-X-Γ electron transfer and simultaneous hole tunneling, thus generating short wavelength light emission.

Published in:

Optoelectronic and Microelectronic Materials and Devices, 2002 Conference on

Date of Conference:

11-13 Dec. 2002