INTERSUBBAND ABSORPTION IN p-TYPE GexSi1-x/Si MULTIPLE QUANTUM WELLS AND ITS ANALYSIS | Zendy

YU MIN-FENG | Zendy; Yu Yang | Zendy; Shen Wen-Zhong | Zendy; Haijun Zhu | Zendy; Gong Dawei | Zendy; SHENG CHI | Zendy; Xun Wang | Zendy

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INTERSUBBAND ABSORPTION IN p-TYPE GexSi1-x/Si MULTIPLE QUANTUM WELLS AND ITS ANALYSIS

Author(s) -

YU MIN-FENG,

Yu Yang,

Shen Wen-Zhong,

Haijun Zhu,

Gong Dawei,

SHENG CHI,

Xun Wang

Publication year - 1997

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.46.740

Subject(s) - quantum well , type (biology) , absorption (acoustics) , materials science , optoelectronics , physics , optics , laser , geology , paleontology

A theoretical and experimental study of intersubband absorption in p-type GexSi1-x/Si multiple quantum wells are presented,the calculations are performed with envelop-function approach,with full inclusion of the degeneracy and warping of the three topmost bulk valence bands described by the strain-dependent Luttinger-Kohn Hamiltonian.The Hartree potential and the exchange correlation interaction are taken into account in a self-consistent manner.And finally the absorption spectra is calculated.We contribute some absoptions observed with normal incident unpolarized infra-beam to the band-mixing of heavy,light and split-off bands in GexSi1-x/Si quantum wells.

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