Optical Stark effect of exciton in InGaAs/InAlAs oblate spheroidal quantum dots
Vol. 131 No. 1C (2022), Original Article
Vol. 131 No. 1C (2022)

Optical Stark effect of exciton in InGaAs/InAlAs oblate spheroidal quantum dots

Original Article
https://doi.org/10.26459/hueunijns.v131i1C.6668
Published 2022-09-30
Le Thi Ngoc Bao
University of Sciences, Hue University, 77 Nguyen Hue St., Hue, Viet Nam
Dinh Nhu Thao*
University of Education, Hue University, 34 Le Loi St., Hue, Vietnam
PDF (Vietnamese)

Keywords

hiệu ứng Stark quang học
chấm lượng tử phỏng cầu dạng dẹt
exciton
InGaAs
InAlAs optical Stark effect
oblate spheroidal quantum dots
exciton

How to Cite

1.
Lê TNB, Đinh Như T. Optical Stark effect of exciton in InGaAs/InAlAs oblate spheroidal quantum dots. hueuni-jns [Internet]. 2022Sep.30 [cited 2024Dec.22];131(1C):103-14. Available from: https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/6668
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Abstract

In this paper, we studied the existence of the exciton optical Stark effect in oblate spheroidal quantum dots by using the renormalized wavefunction theory. A strong pump wave was applied to couple the electron quantization states in the conduction band in a three-level system model. We observed two separate peaks of the interband absorption transitions representing the separation of the electron energy levels due to the optical Stark effect. In addition, the influence of the pump field energy, size, and geometry of the quantum dots on the effect characteristics was also investigated in detail.

https://doi.org/10.26459/hueunijns.v131i1C.6668
PDF (Vietnamese)

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