Experimental comparison of various quantum key distribution protocols under reference frame rotation and fluctuation

Title
Experimental comparison of various quantum key distribution protocols under reference frame rotation and fluctuation
Authors
문성욱한상욱김용수조영욱이상윤타누모이윤주환박병권김상인
Issue Date
2019-06
Publisher
Optics communications
Citation
VOL 441-68
Abstract
In free-space quantum key distribution (QKD) between moving parties, e.g., free-space QKD via satellite, the reference frame rotation and fluctuation degrades the performance of QKD. Reference-frame-independent QKD (RFI-QKD) provides a simple but efficient way to overcome this problem. While there has been a number of theoretical and experimental studies on RFI-QKD, the experimental verification of the robustness of RFIQKD over other QKD protocols under the reference frame rotation and fluctuation is still missing. Here, we have constructed a free-space QKD system which can implement BB84, six-state, and RFI-QKD protocols, and compared their performances under the reference frame rotation and fluctuation. With the theoretical analysis and experimental results, we have successfully verified the robustness of RFI-QKD protocol over other QKD protocols in the presence of reference frame rotation and fluctuation.
URI
http://pubs.kist.re.kr/handle/201004/69118
ISSN
0030-4018
Appears in Collections:
KIST Publication > Article
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