Differential-phase-shift quantum secret sharing | Zendy

Kyo Inoue | Zendy; Toya Ohashi | Zendy; Tatsuya Kukita | Zendy; K. Watanebe | Zendy; Shusaku Hayashi | Zendy; Toshimori Honjo | Zendy; Hiroki Takesue | Zendy

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Differential-phase-shift quantum secret sharing

Author(s) -

Kyo Inoue,

Toya Ohashi,

Tatsuya Kukita,

K. Watanebe,

Shusaku Hayashi,

Toshimori Honjo,

Hiroki Takesue

Publication year - 2008

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.015469

Subject(s) - differential phase , computer science , quantum key distribution , transmission (telecommunications) , photon , optics , phase (matter) , quantum , key (lock) , quantum channel , physics , quantum information , quantum mechanics , telecommunications , computer security

A quantum secret sharing (QSS) protocol based on a differential-phase-shift scheme is proposed, which quantum mechanically provides a full secret key to one party and partial keys to two other parties. A weak coherent pulse train is utilized instead of individual photons as in conventional schemes. Compared with previous QSS protocols, the present one features a simple setup, is suitable for fiber transmission, and offers the possibility for a high key creation rate. An experiment is also carried out to demonstrate the operation.

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