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@article{401592,
author = {Tyc, Tomáš and Sanders, Barry C.},
article_number = {4},
keywords = {quantum secret; squeezing; quadrature; interferometry},
language = {eng},
issn = {1050-2947},
journal = {Physical Review A},
title = {How to share a continuous-variable quantum secret by optical interferometry},
url = {http://link.aps.org/abstract/PRA/v65/e042310},
volume = {65},
year = {2002}
}
TY - JOUR
ID - 401592
AU - Tyc, Tomáš - Sanders, Barry C.
PY - 2002
TI - How to share a continuous-variable quantum secret by optical interferometry
JF - Physical Review A
VL - 65
IS - 4
SP - 042310
EP - 042310
SN - 10502947
KW - quantum secret
KW - squeezing
KW - quadrature
KW - interferometry
UR - http://link.aps.org/abstract/PRA/v65/e042310
N2 - We develop the theory of continuous-variable quantum secret sharing and propose its interferometric realization using passive and active optical elements. In the ideal case of infinite squeezing, a fidelity F of unity can be achieved with respect to reconstructing the quantum secret. We quantify the reduction in fidelity for the (2,3) threshold scheme due to finite squeezing and establish the condition for verifying that genuine quantum secret sharing has occurred.
ER -
TYC, Tomáš a Barry C. SANDERS. How to share a continuous-variable quantum secret by optical interferometry. \textit{Physical Review A}. 2002, roč.~65, č.~4, s.~042310-42314. ISSN~1050-2947.
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