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We offer optical fiber cable types fiber optical cable light armored cable single mode light armored cable unitube light armored cable fiber optic armored cable to buyers around the world.It is certain that we have high quality control capabilities and strong design capabilities to ensure our products’ quality.We provide high quality ethernet cable optical fiber products at reasonable prices, with the goal of customer satisfaction.We have the ability that providing the most suitable product solution according to our customer's needs.We are one of the most service-oriented suppliers in the industry.I wish you good appetite and good luck every day.

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The quantum internet guarantees completely tap-proof conversation and strong disbursed sensor networks for new science and know-how. however, as a result of quantum tips cannot be copied, it is not possible to send this information over a classical community. Quantum information must be transmitted by quantum particles, and special interfaces are required for this. The Innsbruck-primarily based experimental physicist Ben Lanyon, who changed into awarded the Austrian birth Prize in 2015 for his analysis, is investigating these crucial intersections of a future quantum cyber web.

Now his crew at the branch of Experimental Physics at the university of Innsbruck and on the Institute of Quantum Optics and Quantum counsel of the Austrian Academy of Sciences has performed a record for the switch of quantum entanglement between count and light-weight. For the primary time, a distance of fifty kilometers was lined using fiber optic cables. "here is two orders of magnitude extra than become up to now viable and is a pragmatic distance to start building inter-city quantum networks," says Ben Lanyon.

transformed photon for transmission

Lanyon's crew started the test with a calcium atom trapped in an ion trap. the usage of laser beams, the researchers write a quantum state onto the ion and concurrently excite it to emit a photon during which quantum assistance is stored. subsequently, the quantum states of the atom and the light particle are entangled. however the problem is to transmit the photon over fiber optic cables. "The photon emitted through the calcium ion has a wavelength of 854 nanometers and is promptly absorbed with the aid of the optical fiber," says Ben Lanyon. His group therefore initially sends the mild particle via a nonlinear crystal illuminated by a strong laser. Thereby the photon wavelength is converted to the most desirable cost for long-distance go back and forth: the existing telecommunications commonplace wavelength of 1550 nanometers. The researchers from Innsbruck then send this photon through a 50-kilometer-lengthy optical fiber line. Their measurements exhibit that atom and light-weight particle are still entangled even after the wavelength conversion and this long adventure.

Even improved distances in sight

As a next step, Lanyon and his team display that their strategies would allow entanglement to be generated between ions a hundred kilometers aside and greater. Two nodes send each an entangled photon over a distance of 50 kilometers to an intersection the place the mild particles are measured in such a method that they lose their entanglement with the ions, which in flip would entangle them. With 100-kilometer node spacing now a chance, one could for this reason envisage building the realm's first intercity gentle-count quantum network in the coming years: handiest a handful of trapped ion-programs could be required on the way to set up a quantum internet between Innsbruck and Vienna, for example.

Lanyon's team is a component of the Quantum cyber web Alliance, a global assignment in the Quantum Flagship framework of the ecu Union. The latest consequences were published in the Nature journal Quantum information.

more assistance: V. Krutyanskiy et al, mild-count number entanglement over 50 km of optical fibre, npj Quantum information (2019). DOI:

citation: Entanglement sent over 50 km of optical fiber (2019, August 29) retrieved 31 August 2019 from

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