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Microsatellite for Space Quantum Communications is Demonstrated

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TOKYO, July 13, 2017 — In a quantum-limited communication experiment between a microsatellite, called SOCRATES, in low Earth orbit and an optical ground station (OGS), researchers were able to detect a communication signal from a small, lightweight quantum-communication transmitter onboard the satellite. The transmitter, named SOTA, transmitted a laser signal to the ground at a rate of ten million bits per second from an altitude of 600 km (approximately 370 miles) at a speed of 7 km/s (approximately 2237 miles per hour). Image of SOTA onboard SOCRATES. Courtesy of NICT. Information from the satellite was...Read full article

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