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https://dspace.ctu.edu.vn/jspui/handle/123456789/75003
Title: | Linear and nonlinear refractive index changes in monolayer MoSe2 |
Authors: | Trần, Ngọc Bích Nguyễn, Ngọc Hiêu Tạ, Thị Thơ Lê, Thị Ngọc Ts Huỳnh, Vĩnh Phúc |
Keywords: | Magnetic field Monolayer MoSe2 Refractive index changes |
Issue Date: | 2021 |
Series/Report no.: | Dong Thap University Journal of Science;Vol.10, No.05 .- P.25-30 |
Abstract: | In this work, we study the linear, the third-order nonlinear, and the total refractive index changes (RICs) caused by both intra- and inter-band transitions in monolayer MoSe2 in the presence of a magnetic field by using the compact density matrix approach. The results show that RICs display the blue-shift behavior with the increase of the magnetic field. The Zeeman fields do not affect the peak positions but reduce slightly peak intensities. Besides, the strong spin-orbit coupling in monolayer MoSe2 causes a significant difference in the peak due to spinning up and down. The RICs due to intra-band transition display only one peak in the THz range, while the inter-band spectra show a series of peaks in the near-infrared optical range, making monolayer MoSe2 be a promising candidate for novel optoelectronic applications. |
URI: | https://dspace.ctu.edu.vn/jspui/handle/123456789/75003 |
ISSN: | 0866-7675 |
Appears in Collections: | Khoa học ĐH Đồng Tháp |
Files in This Item:
File | Description | Size | Format | |
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_file_ Restricted Access | 1.54 MB | Adobe PDF | ||
Your IP: 3.145.97.1 |
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