Reference-Frame-Independent, Measurement-Device-Independent quantum key
distribution using fewer quantum states
- URL: http://arxiv.org/abs/2002.01601v2
- Date: Thu, 7 May 2020 02:03:12 GMT
- Title: Reference-Frame-Independent, Measurement-Device-Independent quantum key
distribution using fewer quantum states
- Authors: Donghwa Lee, Seong-Jin Hong, Young-Wook Cho, Hyang-Tag Lim, Sang-Wook
Han, Hojoong Jung, Sung Moon, Kwangjo Lee, Yong-Su Kim
- Abstract summary: We show that RFI-MDI-QKD can be implemented using fewer quantum states than those of its original proposal.
Compared to the conventional RFI-MDI-QKD where both parties should transmit six quantum states, it significantly simplifies the implementation of the QKD protocol.
- Score: 1.1242503819703258
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: Reference-Frame-Independent Quantum Key Distribution (RFI-QKD) provides a
practical way to generate secret keys between two remote parties without
sharing common reference frames. On the other hand,
Measurement-Device-Independent QKD (MDI-QKD) offers high level of security as
it immunes against all the quantum hacking attempts to the measurement devices.
The combination of these two QKD protocols, i.e., RFI-MDI-QKD, is one of the
most fascinating QKD protocols since it holds both advantages of practicality
and security. For further practicality of RFI-MDI-QKD, it is beneficial to
reduce the implementation complexity. Here, we have shown that RFI-MDI-QKD can
be implemented using fewer quantum states than those of its original proposal.
We found that, in principle, the number of quantum states for one of the
parties can be reduced from six to three without compromising security.
Comparing to the conventional RFI-MDI-QKD where both parties should transmit
six quantum states, it significantly simplifies the implementation of the QKD
protocol. We also verify the feasibility of the scheme with the
proof-of-principle experiment.
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