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A hollow optical fiber developed by researchers at the University of Central Florida greatly reduces noise that interferes with transmitted signals, compared to single-mode fibers that are currently used to reduce noise. Researchers at the University of Rochester reported the development.
The antiresonant hollow-core fiber, created by researchers at the University of Central Florida (UCF), produces a thousand times less noise — and the lowest levels ever recorded from interference caused by acoustic phonons arising from the glass in the fiber at room temperatures.
Noise caused by phonons can be reduced by cooling fibers to extremely low cryogenic temperatures. That method, however, is both expensive and complicated, said…READ MORE