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We have many years of experience in the production and manufacture of ftth optical fiber cable structure optical fiber cable types cable of optical fiber twisted pair coaxial cable and optical fiber GYFTA53 fiber optic cable single mode fiber optic cable.We have developed a professional team, which is good at designing and quality-controlling.As a experienced optical fiber cable network producer, we have matured technique to ensure providing excellent quality products and in reasonable price.Due to the ability of producing high quality products, we have the confidence of improving our customers' business.Our team pays most attention to service.Wishing you a smooth sailing in every sunny and windy day

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INNSBRUCK, Austria, Aug. 30, 2019 — A group from the tuition of Innsbruck and the Institute of Quantum Optics and Quantum advice of the Austrian Academy of Sciences has executed what can be a checklist for the transfer of quantum entanglement between count (a trapped ion) and light (a photon). The team despatched quantum information over a distance of fifty km the usage of fiber optic cables. “this is two orders of magnitude additional than was previously viable and is a realistic distance to birth constructing intercity quantum networks,” lead researcher Ben Lanyon pointed out.

The researchers begun via trapping a calcium atom in an ion lure. using lasers, they wrote a quantum state onto the ion whereas exciting it to emit a photon, in which quantum counsel become stored. The quantum states of the atom and the photon became entangled.

The photon that became emitted by way of the calcium ion had a wavelength of 854 nm. To steer clear of the photon from being absorbed by the optical fiber as it changed into being transmitted over a fiber optic cable, the researchers first despatched the photon via a nonlinear crystal illuminated by a strong laser. This step brought about the photon wavelength to be converted to 1550 nm, the present telecommunications commonplace wavelength and an appropriate wavelength for long-distance shuttle.

In a nonlinear crystal illuminated by using a robust laser, the photon wavelength is converted to the most efficient price for lengthy-distance go back and forth. Courtesy of IQOQI Innsbruck/Harald researchers then despatched the photon via a 50-km-long optical fiber line. Their measurements showed that the atom and photon have been nevertheless entangled, even after the wavelength conversion and the 50-km event.

subsequent, the researchers plan to reveal that their system could be used to allow entanglement between ions 100 km aside and greater. With the chance of 100-km node spacing, building the realm’s first intercity light-remember quantum network can be viable in the coming years. as an example, only a small variety of trapped ion-programs can be required to set up a quantum information superhighway between Innsbruck and Vienna, the crew noted.

The analysis become posted in npj Quantum assistance (

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