Environmental sensor based on optical-resonance-enhancement in a MoS2 printed D-shaped single-mode fiber

Amar N. Ghosh; Mingfei Xiao; Meng Huang; Jinrui Chen; Noel Healy; Tawfique Hasan; Anna C. Peacock

doi:10.1117/12.3022115

20 June 2024 Environmental sensor based on optical-resonance-enhancement in a MoS₂ printed D-shaped single-mode fiber

Amar N. Ghosh, Mingfei Xiao, Meng Huang, Jinrui Chen, Noel Healy, Tawfique Hasan, Anna C. Peacock

Proceedings Volume 13001, Specialty Optical Fibres VIII; 1300108 (2024) https://doi.org/10.1117/12.3022115
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

Molybdenum disulfide (MoS2) has emerged as a versatile two-dimensional material platform for many optical and optoelectronic applications due to its layer-dependent band structure, which can be tuned from direct to indirect by increasing the number of layers. In this work, the integration of MoS2 layers onto a D-shaped side-polished optical fiber has been demonstrated using an inkjet printing technique. We show that MoS2 devices exhibit a strong wavelength dependent transmission spectrum, with a transmittance dip of ~ –50 dB, which can be tuned from near to the mid-infrared wavelength regions by varying the printing paths. Exposure of the MoS2 device to deionized water has revealed that the wavelength position of dip changes by more than 70 nm in response to the mode’s interaction with the liquid. These results indicate that inkjet-printed MoS2 devices could find applications for the development of environmental gas or humidity sensors.

Conference Presentation

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

Citation Download Citation

Amar N. Ghosh, Mingfei Xiao, Meng Huang, Jinrui Chen, Noel Healy, Tawfique Hasan, and Anna C. Peacock "Environmental sensor based on optical-resonance-enhancement in a MoS₂ printed D-shaped single-mode fiber", Proc. SPIE 13001, Specialty Optical Fibres VIII, 1300108 (20 June 2024); https://doi.org/10.1117/12.3022115

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