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1. (WO2018199426) METHOD AND APPARATUS FOR QUANTUM KEY DISTRIBUTION ON BASIS OF PHOTON SUBTRACTION FROM RECEIVER

Pub. No.:    WO/2018/199426    International Application No.:    PCT/KR2018/000183
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Fri Jan 05 00:59:59 CET 2018
IPC: H04L 9/08
Applicants: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
한국과학기술원
Inventors: RHEE, June Koo
이준구
LIM, Kyong Chun
임경천
SUH, Chang Ho
서창호
Title: METHOD AND APPARATUS FOR QUANTUM KEY DISTRIBUTION ON BASIS OF PHOTON SUBTRACTION FROM RECEIVER
Abstract:
The present invention relates to a method and an apparatus for quantum key distribution according to a continuous-variable quantum key distribution protocol, which distributes the quantum key in a reverse post-processing manner and, after photon subtraction at a receiver (Bob), detects bit information from a received quantum state to calculate and share the quantum key, such that security can be further enhanced and a cryptographic key generation rate can be increased since the cryptographic key is not exposed to an attacker (Eve).