Three-Level Optical Stark Effect of Excitons in GaAs Cylindrical Quantum Wires | Zendy

Đinh Như Thảo | Zendy; Dương Đình Phước | Zendy; Lê Thị Ngọc Bảo | Zendy; Le Thi Dieu Hien | Zendy; Tran P. T. Linh | Zendy; Nguyen Thi Le Thuy | Zendy

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Three-Level Optical Stark Effect of Excitons in GaAs Cylindrical Quantum Wires

Author(s) -

Đinh Như Thảo,

Dương Đình Phước,

Lê Thị Ngọc Bảo,

Le Thi Dieu Hien,

Tran P. T. Linh,

Nguyen Thi Le Thuy

Publication year - 2021

Publication title -

journal of nanomaterials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.463

H-Index - 66

eISSN - 1687-4129

pISSN - 1687-4110

DOI - 10.1155/2021/5594256

Subject(s) - stark effect , exciton , radius , quantum confined stark effect , laser , materials science , wave function , absorption (acoustics) , atomic physics , spectral line , condensed matter physics , physics , optics , quantum mechanics , computer security , computer science , composite material

This study looks at the three-level optical Stark effect of excitons in GaAs cylindrical quantum wires, utilizing the renormalized wave function theory. By applying the three-level model consisting of the first two electron levels connected via a powerful pump laser and the first hole level, we observe the appearance of the excitonic optical Stark effect through the appearance of two separated peaks in the exciton absorption spectra. In addition, the strong impact of the pump laser detuning and the wire radius on the optical Stark effect are also put under thorough examination. Finally, a brief guidance for experimental verification is also suggested.

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