Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

Conference on Lasers and Electro-Optics

Symmetrical Bell state preparation and measurement without a third party

Yong‐Su Kim, Tanumoy Pramanik, Young‐Wook Cho, Ming Yang, Sang-Wook Han, Sang‐Yun Lee, Min-Sung Kang, Sung Moon

Published Jan 1, 2019• 0 citations
Publisher

Abstract

We present a linear optical Bell state preparation and measurement schemes without photon-photon interaction at an optical element. Unlike the standard schemes, it can be symmetrically divided into two parties without a third party.
DOI
10.1364/cleo_qels.2019.fm2m.4

Related papers

Symmetrical Bell state preparation and measurement without a third party

Yong‐Su Kim, Tanumoy Pramanik, Young‐Wook Cho +5 more

We present a linear optical Bell state preparation and measurement schemes without photon-photon interaction at an optical element. Unlike the standard schemes, it can be symmetrically divided into two parties without a third party. © 2019 The Author(s)

Conference on Lasers and Electro-Optics•May 5, 2019•0 citations

Arbitrarily complete Bell-state measurement using only linear optical elements

Warren P. Grice

A complete Bell-state measurement is not possible using only linear-optic elements, and most schemes achieve a success rate of no more than 50%, distinguishing, for example, two of the four Bell states but returning degenerate results for the other two. It is shown here that the introduction of a pair of ancillary entangled photons improves the success rate to 75%. More generally, the addition of ${2}^{N}\ensuremath{-}2$ ancillary photons yields a linear-optic Bell-state measurement with a success rate of $1\ensuremath{-}1/{2}^{N}$.

Physical Review A•Oct 19, 2011•233 citations

Informationally symmetrical Bell state preparation and measurement

Yong‐Su Kim, Tanumoy Pramanik, Young‐Wook Cho +5 more

Bell state measurement (BSM) plays crucial roles in photonic quantum information processing. The standard linear optical BSM is based on Hong-Ou-Mandel interference where two photons meet and interfere at a beamsplitter (BS). However, a generalized two-photon interference is not based on photon-photon interaction, but interference between two-photon probability amplitudes. Therefore, it might be possible to implement BSM without interfering photons at a BS. Here, we investigate a linear optical BSM scheme which does not require two photon overlapping at a BS. By unleashing the two photon coexistence condition, it can be symmetrically divided into two parties. The symmetrically dividable property suggests an informationally symmetrical BSM between remote parties without a third party. We also present that our BSM scheme can be used for Bell state preparation between remote parties without a third party. Since our BSM scheme can be easily extended to multiple photons, it can be useful for various quantum communication applications.

arXiv:1805.11286•Optics Express•Oct 26, 2018•30 citations

Boosted Linear-Optical Bell-State Measurements and their Applications

Matthias J. Bayerbach, Simone Evaldo D’Aurelio, Peter van Loock +1 more

We present the realization of a linear optical Bell-state measurement scheme, surpassing the 50 % bound success by utilising ancillary states in a linear-optical circuit and discuss possible applications.

•Jan 1, 2024•0 citations

Improved Linear Optic Bell-State Measurement Using Ancillary Photons

Warren P. Grice

It is not possible to construct a linear optic device that unambiguously discriminates all four Bell states. However, the Bell-state measurement efficiency can be made arbitrarily close to unity by introducing additional entangled photons.

Frontiers in Optics•Jan 1, 2009•0 citations

Remote preparation for single-photon two-qubit hybrid state with hyperentanglement via linear-optical elements

Xian-Fang Jiao, Ping Zhou, Shu-Xin Lv +1 more

Linear-optical-based quantum information processing has attached much attention since photon is an ideal medium for transmitting quantum information remotely. Until now, there are some important works in quantum state remote preparation, the method for reconstructing quantum state deterministically via linear optics. However, most of the methods are protocols to prepare single-qubit states remotely via linear-optical elements. In this article, we investigate the methods to prepare two-qubit hybrid states remotely. We present a deterministic remote state preparation scheme for an arbitrary two-qubit hybrid state via a hyperentangled Bell state, resorting to linear-optical elements only. The sender rotates the spatial-mode state and polarization state of the hyperentangled photon respectively in accordance with his knowledge of the two-qubit hybrid state, and the receiver can reconstruct the original two-qubit hybrid state by applying appropriate recovery operations. Moreover, we discuss the remote state preparation scheme for the two-qubit hybrid state via partially hyperentangled Bell state.

Scientific Reports•Mar 20, 2019•25 citations
A complete Bell-state measurement is not possible using only linear-optic elements, and most schemes achieve a success rate of no more than 50%, distinguishing, for example, two of the four Bell states but returning degenerate results for the other two. It is shown here that the introduction of a pair of ancillary entangled photons improves the success rate to 75%. More generally, the addition of ${2}^{N}\ensuremath{-}2$ ancillary photons yields a linear-optic Bell-state measurement with a success rate of $1\ensuremath{-}1/{2}^{N}$.
Bell state measurement (BSM) plays crucial roles in photonic quantum information processing. The standard linear optical BSM is based on Hong-Ou-Mandel interference where two photons meet and interfere at a beamsplitter (BS). However, a generalized two-photon interference is not based on photon-photon interaction, but interference between two-photon probability amplitudes. Therefore, it might be possible to implement BSM without interfering photons at a BS. Here, we investigate a linear optical BSM scheme which does not require two photon overlapping at a BS. By unleashing the two photon coexistence condition, it can be symmetrically divided into two parties. The symmetrically dividable property suggests an informationally symmetrical BSM between remote parties without a third party. We also present that our BSM scheme can be used for Bell state preparation between remote parties without a third party. Since our BSM scheme can be easily extended to multiple photons, it can be useful for various quantum communication applications.
Linear-optical-based quantum information processing has attached much attention since photon is an ideal medium for transmitting quantum information remotely. Until now, there are some important works in quantum state remote preparation, the method for reconstructing quantum state deterministically via linear optics. However, most of the methods are protocols to prepare single-qubit states remotely via linear-optical elements. In this article, we investigate the methods to prepare two-qubit hybrid states remotely. We present a deterministic remote state preparation scheme for an arbitrary two-qubit hybrid state via a hyperentangled Bell state, resorting to linear-optical elements only. The sender rotates the spatial-mode state and polarization state of the hyperentangled photon respectively in accordance with his knowledge of the two-qubit hybrid state, and the receiver can reconstruct the original two-qubit hybrid state by applying appropriate recovery operations. Moreover, we discuss the remote state preparation scheme for the two-qubit hybrid state via partially hyperentangled Bell state.