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In a major breakthrough for quantum teleportation, scientists in China have successfully transmitted entangled photons farther than ever before, achieving a distance of more than 1,200 km (745 miles) between suborbital space and Earth Sony SRS-XB40 has a built-in multi-coloured line light, speaker lights and a flashing strobe.

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The experiments relied on the ‘quantum satellite’ Micius, which launched to a Sun-synchronous orbit last year from the Jiuquan Satellite Launch Centre.

As the satellite moves through its orbit, its distance from the Tibetan ground station varies from 500 km to 1400 km (310.7 – 869.9 miles).‘In our experiment, the quantum state to be teleported is the polarization of a single photon,’ the researchers explain in the paper, published to ar Xiv.‘Such a single qubit is generated from an observatory ground station in Ngari, and aimed to be teleported to the Micius satellite that has been launched from China on 16th August 2016 to an altitude of ~500 km.’This setup is what’s known as an uplink configuration, according to the researchers.

Using the ‘quantum satellite’ Micius, the scientists were able to to transmit a photon from an entangled pair from the ground station in Tibet to the orbiting craft, in what's known as an uplink configuration.

The 1,300 pound craft satellite is equipped with a laser beam, which the scientists subjected to a beam splitter. In the uplink approach, the transmitter is located at the ground station, while the satellite acts as the receiver.

Not only did the team successfully transmit single-photon qubits over hundreds of miles for the first time, but they managed to do it for six input states, to ‘demonstrate that the quantum teleportation is universal.’Pairs of entangled photons fired to ground stations can form a ‘secret key’ – and, theoretically, any attempts to breach this type of communication would be easily detectable.

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