Enhanced optical nonlinearity of MoS2 film by octopod gold nanoparticles

Sugandh Sirohi; Shruti Narayanan; Lavudya Devendar; Bhagyalaxmi Pothal; Manu Jaiswal; Gurvinder Singh; Prem B. Bisht

doi:10.1117/12.3030597

17 April 2024 Enhanced optical nonlinearity of MoS₂ film by octopod gold nanoparticles

Sugandh Sirohi, Shruti Narayanan, Lavudya Devendar, Bhagyalaxmi Pothal, Manu Jaiswal, Gurvinder Singh, Prem B. Bisht

Proceedings Volume 13108, Women in Optics and Photonics in India 2023; 1310810 (2024) https://doi.org/10.1117/12.3030597
Event: Women in Optics and Photonics in India 2023, 2024, Chennai, India

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Abstract

MoS₂ film shows layer-dependent nonlinear absorption behavior on interaction with ultrafast laser pulses [1]. This makes it a promising materials for use in laser mode-locking. Gold nanoparticles (AuNPs) are known to amplify the near field light owing to the surface plasmon resonances [2]. The change in the nonlinear absorption with the thickness of MoS₂ film has been investigated. Moreover, the nonlinear optical behavior of MoS₂-AuNPs hybrid systemhas also been compared to pristine MoS₂.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Sugandh Sirohi, Shruti Narayanan, Lavudya Devendar, Bhagyalaxmi Pothal, Manu Jaiswal, Gurvinder Singh, and Prem B. Bisht "Enhanced optical nonlinearity of MoS₂ film by octopod gold nanoparticles", Proc. SPIE 13108, Women in Optics and Photonics in India 2023, 1310810 (17 April 2024); https://doi.org/10.1117/12.3030597

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