Electronically-driven active LOM system for generation of the most powerful phonon laser.
Enhanced nonlinear phonon lasers with wider frequency scope.
Vista of the nonlinear phonon laser in biomechanical ultrasonics and deep-ocean monitoring.
Scientists have made a significant leap in developing lasers that use sound waves instead of light. These "phonon lasers" hold promise for advancements in medical imaging, deep-sea exploration, and other areas.
The new technique involves a tiny electronic nudge that dramatically enhances the power and precision of the sound waves produced by the laser. This paves the way for future devices that could utilize sound for a broader range of applications.
Previously, phonon lasers made from small objects suffered from weak and imprecise sound waves, limiting their usefulness. The new method overcomes this challenge by essentially "locking" the sound waves into a more stable and powerful state.
This breakthrough paves the way for powerful and precise phonon lasers suitable for real-world applications, such as medical imaging and deep-sea exploration. Phonon lasers can create more sensitive and less harmful medical imaging techniques, while deep-sea vehicles could implement improved communication and navigation.
Phonon lasers could also have applications in material science, quantum computing, and other fields.
This research represents a significant step forward in phonon laser development, potentially unlocking a range of new technologies.
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References
DOI
Original Source URL
https://doi.org/10.1186/s43593-024-00064-8
Funding information
This work was supported by the National Natural Science Foundation of China (11935006); the Science Fund for Distinguished Young Scholars of Hunan Province (2024JJ2055); the Science and Technology Innovation Program of Hunan Province (2020RC4047); the Key Science and Technology Breakthrough Program of Hunan Province (2023ZJ1010); Natural Science Foundation of Hunan Province (2021JJ40679).
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Caption: Electronically-driven active LOM system for generation of the most powerful phonon laser.
Credit: eLight
Caption: Enhanced nonlinear phonon lasers with wider frequency scope.
Credit: eLight
Caption: Vista of the nonlinear phonon laser in biomechanical ultrasonics and deep-ocean monitoring.
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