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5 March 2019 Deterministic quantum teleportation through six-kilometer fiber-channel (Conference Presentation)
Xiaojun Jia, Yaohui Zheng
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Proceedings Volume 10934, Optical, Opto-Atomic, and Entanglement-Enhanced Precision Metrology; 109342V (2019) https://doi.org/10.1117/12.2515421
Event: SPIE OPTO, 2019, San Francisco, California, United States
Abstract
Quantum teleportation means to transfer an unknown quantum state from one station to another over certain distance with the help of nonlocal Einstein-Podolsky-Rosen entangled state shared by sender and receiver. Here, we experimentally realize deterministic quantum teleportation of an optical coherent state through 6.0 kilometer fiber fiber-channel. The fidelity of 0.62±0.03 is achieved for the retrieved quantum state, which breaks through the classical limit of 1/2. A fidelity of 0.69±0.03 breaking through the no-cloning limit of 2/3 has also been achieved when the transmission distance is 2.0 kilometers. Our work provides a feasible scheme to implement deterministic quantum teleportation in communication networks.
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Xiaojun Jia and Yaohui Zheng "Deterministic quantum teleportation through six-kilometer fiber-channel (Conference Presentation)", Proc. SPIE 10934, Optical, Opto-Atomic, and Entanglement-Enhanced Precision Metrology, 109342V (5 March 2019); https://doi.org/10.1117/12.2515421
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KEYWORDS
Teleportation
Quantum communications
Entangled states
Receivers
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