Test and measurement on quantum key distribution systems

Akihisa Tomita

doi:10.1117/12.809879

26 January 2009 Test and measurement on quantum key distribution systems

Akihisa Tomita

Proceedings Volume 7236, Quantum Communications Realized II; 72360K (2009) https://doi.org/10.1117/12.809879
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

As in conventional communication systems, test and measurement play important roles in quantum key distribution (QKD) systems. Besides the observation that QKD protocols estimate the bound of information leakage from the measurement results on the transmission channel, test of quantum apparatus is necessary to ensure that the assumptions behind the security proof are satisfied in practice. Moreover, precise characterization of the device imperfection improves the final key rate, because one can specify the effect of the errors originated from the devices and sbtract it. However, careful consideration is required to guarantee that the test and measurement procedure will not open a loop-hole to the eavesdroppers.

Citation Download Citation

Akihisa Tomita "Test and measurement on quantum key distribution systems", Proc. SPIE 7236, Quantum Communications Realized II, 72360K (26 January 2009); https://doi.org/10.1117/12.809879

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