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Fiber-optic power limiter device based on carbon nanotubes
arXiv
Authors: Ekaterina Borisova, Anastasiya Ponosova, Natalia Arutyunyan, Alexey Shilko, Elena Obraztsova, Boris Galagan, Vadim Makarov
Year
2025
Paper ID
51401
Status
Preprint
Abstract Read
~2 min
Abstract Words
67
Citations
N/A
Abstract
We experimentally demonstrate a power limiter based on single-walled carbon nanotubes dispersed in a polymer matrix. This simple fiber-optic device permanently increases its attenuation when subjected to 50-mW or higher cw illumination at 1550 nm and initiates a fiber-fuse effect at 1 to 5 W. It may be used for protecting quantum key distribution equipment from light-injection attacks. We demonstrate its compatibility with phase- and polarisation-encoding quantum key distribution systems.
Why This Paper Matters
- This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
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- We experimentally demonstrate a power limiter based on single-walled carbon nanotubes dispersed in a polymer matrix.
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