Title:
TRANSMITTING DEVICE, RECEIVING DEVICE, QUANTUM KEY DISTRIBUTION METHOD, AND QUANTUM KEY DISTRIBUTION PROGRAM FOR QUANTUM KEY DISTRIBUTION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/047716
Kind Code:
A1
Abstract:
A quantum key distribution device is provided with: an encoding unit which encodes an optical pulse train; an intensity modulating unit which subjects the encoded optical pulse train to N (where N is an integer at least equal to 3) types of intensity modulation having mutually different intensities, with different timings; and a first key distillation processing unit which generates an encryption key on the basis of a data sequence obtained by removing data obtained from an optical pulse having a specific modulation pattern from a data sequence used by the encoding unit and the intensity modulating unit.
Inventors:
YOSHINO KEN-ICHIRO (JP)
FUJIWARA MIKIO (JP)
SASAKI MASAHIDE (JP)
TOMITA AKIHISA (JP)
FUJIWARA MIKIO (JP)
SASAKI MASAHIDE (JP)
TOMITA AKIHISA (JP)
Application Number:
PCT/JP2017/031456
Publication Date:
March 15, 2018
Filing Date:
August 31, 2017
Export Citation:
Assignee:
NEC CORP (JP)
NAT INST INF & COMM TECH (JP)
UNIV HOKKAIDO NAT UNIV CORP (JP)
NAT INST INF & COMM TECH (JP)
UNIV HOKKAIDO NAT UNIV CORP (JP)
International Classes:
H04L9/12; H04B10/516; H04B10/70; H04L9/08
Foreign References:
| JP2015122675A | 2015-07-02 | |||
| JP2014131259A | 2014-07-10 |
Other References:
See also references of EP 3512158A4
Attorney, Agent or Firm:
IKEDA, Noriyasu et al. (JP)
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