Proof-of-principle demonstration of measurement-device-independent quantum key distribution using polarization qubits
Proof-of-principle demonstration of measurement-device-independent quantum key distribution using...
Ferreira da Silva, T.; Vitoreti, D.; Xavier, G.; do Amaral, G.; Temporão, G.; von der Weid, J.
2013-11-07 00:00:00
We perform a proof-of-principle demonstration of the measurement-device-independent quantum key distribution protocol using weak coherent states and polarization-encoded qubits over two optical fiber links of 8.5 km each. Each link was independently stabilized against polarization drifts using a full-polarization control system employing two wavelength-multiplexed control channels. A linear-optics-based polarization Bell-state analyzer was built into the intermediate station, Charlie, which is connected to both Alice and Bob via the optical fiber links. Using decoy states, a lower bound for the secret-key generation rate of 1.04 × 10 − 6 bits/pulse is computed.
http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.pngPhysical Review AAmerican Physical Society (APS)http://www.deepdyve.com/lp/american-physical-society-aps/proof-of-principle-demonstration-of-measurement-device-independent-SFvIxQRjlV
Proof-of-principle demonstration of measurement-device-independent quantum key distribution using polarization qubits
We perform a proof-of-principle demonstration of the measurement-device-independent quantum key distribution protocol using weak coherent states and polarization-encoded qubits over two optical fiber links of 8.5 km each. Each link was independently stabilized against polarization drifts using a full-polarization control system employing two wavelength-multiplexed control channels. A linear-optics-based polarization Bell-state analyzer was built into the intermediate station, Charlie, which is connected to both Alice and Bob via the optical fiber links. Using decoy states, a lower bound for the secret-key generation rate of 1.04 × 10 − 6 bits/pulse is computed.
Journal
Physical Review A
– American Physical Society (APS)
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