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Scientists at the University of Bath in the UK have developed fibers with a microstructured core featuring a complex pattern of air pockets. Unlike traditional optical fiber cables, these components are designed to transmit light at wavelengths suitable for the future quantum internet.
In modern telecommunication systems, optical fibers transmit light at wavelengths that minimize loss through quartz glass. However, these wavelengths are incompatible with single-photon sources, qubits, and other quantum communication components.
The new optical fiber from the physicists at the University of Bath has a microstructured core that runs the entire length of the fiber, consisting of intricate air pocket patterns. This design allows manipulation of light properties within the fiber, enabling the creation of entangled photon pairs by changing colors and even capturing individual atoms.
These fibers are characterized by low loss, minimal delay, and low dispersion, making them ideal for data transmission in quantum networks over both short and long distances. Essentially, scientists have found a solution for creating scalable and reliable quantum networks.
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