Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Photonic crystal band structure in luminescence response of samples with Ge/Si quantum dots grown on pit-patterned SOI substrates. / Peretokin, A. V.; Stepikhova, M. V.; Novikov, A. V. и др.
в: Photonics and Nanostructures - Fundamentals and Applications, Том 53, 101093, 02.2023.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Photonic crystal band structure in luminescence response of samples with Ge/Si quantum dots grown on pit-patterned SOI substrates
AU - Peretokin, A. V.
AU - Stepikhova, M. V.
AU - Novikov, A. V.
AU - Dyakov, S. A.
AU - Zinovieva, A. F.
AU - Smagina, Zh V.
AU - Nasimov, D. A.
AU - Rodyakina, E. E.
AU - Zinovyev, V. A.
N1 - Funding Information: Authors thank the NSU Multiple-access Center “VTAN” and ISP SB RAS Multiple-access Center “Nanostructures” for the provision of measurement equipment, V. A. Armbrister for growth experiments. This work is funded by Russian Science Foundation (No. 21-72-20184 ). Publisher Copyright: © 2022 Elsevier B.V.
PY - 2023/2
Y1 - 2023/2
N2 - In this paper, we study the emission spectrum of the photonic crystal slab (PCS) with embedded Ge/Si quantum dots using the original technique of a directional micro-photoluminescence (DPL). This technique is a powerful combination of two approaches to the experimental study of PCS. First, it allows to collect photoluminescence (PL) signal within small solid angles in the selected directions and thereby to study the dispersion dependence of PCS modes. Second, it gives the experimental opportunity to analyze the quality-factor change of observed PL peaks with an increase in the collection angle and allows us to find in the PL spectrum the high-quality modes, namely the bound states in the continuum. A comparison with theoretical dispersion dependencies of PCS modes calculated by the Fourier-modal method in the scattering matrix form demonstrates a clear correspondence between PCS dispersion curves and angular dependencies of observed PL peak positions. The obtained results indicate that the DPL technique can be successfully used both to visualize the photonic band structure and to determine the nature of the PCS modes.
AB - In this paper, we study the emission spectrum of the photonic crystal slab (PCS) with embedded Ge/Si quantum dots using the original technique of a directional micro-photoluminescence (DPL). This technique is a powerful combination of two approaches to the experimental study of PCS. First, it allows to collect photoluminescence (PL) signal within small solid angles in the selected directions and thereby to study the dispersion dependence of PCS modes. Second, it gives the experimental opportunity to analyze the quality-factor change of observed PL peaks with an increase in the collection angle and allows us to find in the PL spectrum the high-quality modes, namely the bound states in the continuum. A comparison with theoretical dispersion dependencies of PCS modes calculated by the Fourier-modal method in the scattering matrix form demonstrates a clear correspondence between PCS dispersion curves and angular dependencies of observed PL peak positions. The obtained results indicate that the DPL technique can be successfully used both to visualize the photonic band structure and to determine the nature of the PCS modes.
KW - BIC-states
KW - Photoluminescence
KW - Photonic crystal
KW - Quantum dot
UR - http://www.scopus.com/inward/record.url?scp=85142669539&partnerID=8YFLogxK
UR - https://www.mendeley.com/catalogue/ce74ecbd-b9d8-33c5-b432-5479ec28cfee/
U2 - 10.1016/j.photonics.2022.101093
DO - 10.1016/j.photonics.2022.101093
M3 - Article
AN - SCOPUS:85142669539
VL - 53
JO - Photonics and Nanostructures - Fundamentals and Applications
JF - Photonics and Nanostructures - Fundamentals and Applications
SN - 1569-4410
M1 - 101093
ER -
ID: 39999858