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As your reliable optical fiber cable network ftth optical fiber cable structure optical fiber cable types fiber optic cable GYFTA53 fiber optic cable single mode fiber optic cable manufacturer, we are committed to provide profesional products.Our team has strong sense of responsibility, so we can provide high quality and trustworthy products.It is our factory's duty to providing high quality optical fiber cable network products and in reasonable price.Customer satisfaction is our greatest pursuit.Our company is not only good in product quality, but also excellent in service.Best wishes to you.

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INNSBRUCK, Austria, Aug. 30, 2019 — A crew from the college of Innsbruck and the Institute of Quantum Optics and Quantum tips of the Austrian Academy of Sciences has done what generally is a listing for the switch of quantum entanglement between remember (a trapped ion) and light (a photon). The team sent quantum information over a distance of fifty km using fiber optic cables. “this is two orders of magnitude extra than become up to now possible and is a practical distance to birth building intercity quantum networks,” lead researcher Ben Lanyon stated.

The researchers all started by way of trapping a calcium atom in an ion trap. the use of lasers, they wrote a quantum state onto the ion while entertaining it to emit a photon, wherein quantum tips become kept. The quantum states of the atom and the photon became entangled.

The photon that become emitted with the aid of the calcium ion had a wavelength of 854 nm. To steer clear of the photon from being absorbed by means of the optical fiber because it became being transmitted over a fiber optic cable, the researchers first despatched the photon through a nonlinear crystal illuminated with the aid of a powerful laser. This step led to the photon wavelength to be converted to 1550 nm, the existing telecommunications normal wavelength and an appropriate wavelength for long-distance trip.

In a nonlinear crystal illuminated by way of a powerful laser, the photon wavelength is converted to the most desirable price for long-distance go back and forth. Courtesy of IQOQI Innsbruck/Harald researchers then sent the photon via a 50-km-lengthy optical fiber line. Their measurements confirmed that the atom and photon have been nonetheless entangled, even after the wavelength conversion and the 50-km experience.

subsequent, the researchers plan to demonstrate that their formula may well be used to allow entanglement between ions a hundred km apart and more. With the opportunity of a hundred-km node spacing, building the area’s first intercity easy-matter quantum community may be feasible within the coming years. as an instance, only a small variety of trapped ion-systems can be required to set up a quantum web between Innsbruck and Vienna, the group stated.

The research became posted in npj Quantum advice (

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