Photo-thermo-optical modulation of Raman scattering from Mie-resonant silicon nanostructures-Reference-Cited by-同舟云学术

Photo-thermo-optical modulation of Raman scattering from Mie-resonant silicon nanostructures

Published:2024-03-21 Issue:18 Volume:13 Page:3581-3589
ISSN:2192-8614
Container-title:Nanophotonics
language:en
Short-container-title:

Author:

Vikram Mor Pal¹,Nishida Kentaro¹^ORCID,Li Chien-Hsuan¹,Riabov Daniil²,Pashina Olesiya²,Tang Yu-Lung¹,Makarov Sergey V.²³^ORCID,Takahara Junichi⁴⁵^ORCID,Petrov Mihail I.²^ORCID,Chu Shi-Wei¹⁶⁷

Affiliation:

1. Department of Physics , 33561 National Taiwan University , 1, Sec 4, Roosevelt Rd. , Taipei 10617 , Taiwan

2. School of Physics and Engineering , 65071 ITMO University , Lomonosova 9 , Saint Petersburg 191002 , Russia

3. Qingdao Innovation and Development Center, Harbin Engineering University , Qingdao 266000 , Shandong , China

4. Graduate School of Engineering , Osaka University , 2-1 Yamadaoka , Suita , Osaka 565-0871 , Japan

5. Photonics Center, Graduate School of Engineering , Osaka University , 2-1 Yamadaoka , Suita , Osaka 565-0871 , Japan

6. Molecular Imaging Center , 33561 National Taiwan University , 1, Sec 4, Roosevelt Rd. , 10617 , Taipei , Taiwan

7. Brain Research Center , National Tsing Hua University , 101, Sec. 2, Kuang-Fu Rd. , Hsinchu 300044 , Taiwan

Abstract

Abstract Raman scattering is sensitive to local temperature and thus offers a convenient tool for non-contact and non-destructive optical thermometry at the nanoscale. In turn, all-dielectric nanostructures, such as silicon particles, exhibit strongly enhanced photothermal heating due to Mie resonances, which leads to the strong modulation of elastic Rayleigh scattering intensity through subsequent thermo-optical effects. However, the influence of the complex photo-thermo-optical effect on inelastic Raman scattering has yet to be explored for resonant dielectric nanostructures. In this work, we experimentally demonstrate that the strong photo-thermo-optical interaction results in the nonlinear dependence of the Raman scattering signal intensity from a crystalline silicon nanoparticle via the thermal reconfiguration of the resonant response. Our results reveal a crucial role of the Mie resonance spectral sensitivity to temperature, which modifies not only the conversion of the incident light into heat but also Raman scattering efficiency. The developed comprehensive model provides the mechanism for thermal modulation of Raman scattering, shedding light on the photon–phonon interaction physics of resonant material, which is essential for the validation of Raman nanothermometry in resonant silicon structures under a strong laser field.

Funder

Russian Science Foundation

National Science and Technology Council

Publisher

Walter de Gruyter GmbH

Link

https://www.degruyter.com/document/doi/10.1515/nanoph-2023-0922/pdf

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