NDLI: Electronic and optical properties of ZnO quantum well structures

Content Provider	IEEE Xplore Digital Library
Author	Hee Chang Jeon Tae Won Kang Seung Joo Lee Seoung Hwan Park
Copyright Year	2013
Description	Author affiliation: Quantum-functional Semicond. Res. Center, Dongguk Univ., Seoul, South Korea (Hee Chang Jeon; Tae Won Kang; Seung Joo Lee) \|\| Dept. of Electron. Eng., Catholic Univ. of Daegu, Daegu, South Korea (Seoung Hwan Park)
Abstract	This study investigates optical properties as a function of internal and external fields in the quantum well (QW). Optical properties of CdZnO/MgZnO QW structures, considering various applied electric fields are evaluated by using many-body effects. The strain-induced piezoelectric polarization and the spontaneous polarization can be reduced effectively by applied electric field in CdZnO/ZnMgO quantum well (QW) structures with high Cd composition. That is, optical properties as a function of internal and external fields in the CdZnO/ZnMgO QW with various applied electric field result in the increased optical gain due to the fact that the QW potential profile is flattened as a result of the compensation of the internal field by the reverse field as confirmed by Stark shifts. These results demonstrate that a high-performance optical device operation can be realized in CdZnO/MgZnO QW structures by reducing the droop phenomenon.
Sponsorship	IEEE Morocco Sect.
Starting Page	354
Ending Page	356
File Size	430848
Page Count	3
File Format	PDF
ISBN	9781467363730
e-ISBN	9781467363747
DOI	10.1109/IRSEC.2013.6529711
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-03-07
Publisher Place	Morocco
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Quantum well Optical polarization Stimulated emission Laser diode efficiency ZnO Semiconductor process modeling Photonics
Content Type	Text
Resource Type	Article

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