| Issue |
J. Eur. Opt. Society-Rapid Publ.
Volume 21, Number 1, 2025
EOSAM 2024
|
|
|---|---|---|
| Article Number | 25 | |
| Number of page(s) | 8 | |
| DOI | https://doi.org/10.1051/jeos/2025023 | |
| Published online | 27 May 2025 | |
Review Article
Backward-wave optical parametric oscillators: principles, applications, and recent advancements
Department of Applied Physics, Royal Institute of Technology, Hannes Alfvéns väg 12, 11419 Stockholm, Sweden
* Corresponding author: flaurell@kth.se
Received:
5
February
2025
Accepted:
29
April
2025
Backward-wave optical parametric oscillators (BWOPOs) represent a significant advancement in nonlinear optics, offering unique capabilities such as narrowband, highly stable outputs without the need for mirrors or coatings. Leveraging self-established distributed feedback, these devices exhibit exceptional spectral and spatial properties. This paper explores the principles behind BWOPOs, materials and techniques used, and their applications, particularly in mid-infrared lidar systems including CO2 monitoring. Recent developments in cascaded systems and BWOPO waveguides are highlighted, demonstrating the potential of BWOPOs to revolutionize laser technology.
Key words: Nonlinear optics / Backward-wave optical parametric oscillation / Laser / Gas sensing
© The Author(s), published by EDP Sciences, 2025
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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