Tapered optical fiber addresses challenge posed by Brillouin scattering

https://phys.org/news/2023-02-tapered-optical-fiber-posed-brillouin.html

"micron-sized waist optical fiber... couple propagating optical waves, long-lived acoustic waves with strong optical-acoustic interactions... temporary information stored in slowly propagating acoustic waves long enough for second light pulse read info... multi-mode glass fiber with cladding removed... heating fiber center and simultaneously applying mechanical tension to stretch the fiber at both ends... strongest Brillouin coupling strengths... light storage, radio-frequency photonics filtering, optical delay lines"

Related:

Fiber optics shed light on solid-state physics phenomena

https://phys.org/news/2023-04-fiber-optics-solid-state-physics-phenomena.html

World's first standard cladding diameter 19-core optical fiber with record transmission capacity

https://techxplore.com/news/2023-05-world-standard-cladding-diameter-core.html