| Issue |
EPL
Volume 147, Number 4, August 2024
|
|
|---|---|---|
| Article Number | 45001 | |
| Number of page(s) | 7 | |
| Section | Atomic, molecular and optical physics | |
| DOI | https://doi.org/10.1209/0295-5075/ad6479 | |
| Published online | 28 August 2024 | |
Narrowband stimulated Raman scattering and molecular modulation in anti-resonant hollow-core fibres
1 Department of Communications Engineering, University of the Basque Country (UPV/EHU) - Torres Quevedo 1, 48013 Bilbao, Spain
2 Department of Applied Mathematics, University of the Basque Country (UPV/EHU) - Torres Quevedo 1, 48013 Bilbao, Spain
3 Department of Applied Physics, University of the Basque Country (UPV/EHU) - Torres Quevedo 1, 48013 Bilbao, Spain
4 EHU Quantum Center, University of the Basque Country (UPV/EHU) - 48013 Bilbao, Spain
5 IKERBASQUE, Basque Foundation for Science - Plaza Euskadi 5, 48009 Bilbao, Spain
Received: 8 May 2024
Accepted: 17 July 2024
Raman scattering is the inelastic process where photons bounce off molecules, losing energy and becoming red-shifted. This weak effect is unique to each molecular species, making it an essential tool in, e.g., spectroscopy and label-free microscopy. The invention of the laser enabled a regime of stimulated Raman scattering (SRS), where the efficiency is greatly increased by inducing coherent molecular oscillations. However, this phenomenon required high intensities due to the limited interaction volumes, and this limitation was overcome by the emergence of anti-resonant fibres (ARFs) guiding light in a small hollow channel over long distances. Based on their unique properties, this Perspective reviews the transformative impact of ARFs on modern SRS-based applications ranging from development of light sources and convertors for spectroscopy and materials science, to quantum technologies for the future quantum networks, providing insights into future trends and the expanding horizons of the field.
© 2024 The author(s)
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