Quantum-enhanced precision in unitary process tomography

Rebecca Whittaker; Xiao Qi Zhou; Hugo Cable; Peter Shadbolt; Jeremy L. O'Brien; Jonathan C.F. Matthews

doi:10.1364/CLEO_QELS.2014.FTh4A.4

Quantum-enhanced precision in unitary process tomography

Rebecca Whittaker, Xiao Qi Zhou, Hugo Cable, Peter Shadbolt, Jeremy L. O'Brien, Jonathan C.F. Matthews

Research output: Contribution to conference › Conference presentation/ephemera › peer-review

Abstract

A novel scheme for unitary quantum process tomography (QPT) is theoretically presented and implemented experimentally. Multi-photon input states are used to obtain quantum-enhanced precision for the unitary estimation. Our results are compared to standard QPT.

Original language	English
DOIs	https://doi.org/10.1364/CLEO_QELS.2014.FTh4A.4
Publication status	Published - 1 Jan 2014
Externally published	Yes
Event	2014 Conference on Lasers and Electro-Optics, CLEO 2014 - San Jose, United States Duration: 8 Jun 2014 → 13 Jun 2014 https://www.cleoconference.org/library/images/cleo/Archive/CLEO-Archive-2014.pdf

Conference

Conference	2014 Conference on Lasers and Electro-Optics, CLEO 2014
Country/Territory	United States
City	San Jose
Period	8/06/14 → 13/06/14
Internet address	https://www.cleoconference.org/library/images/cleo/Archive/CLEO-Archive-2014.pdf

Access to Document

10.1364/CLEO_QELS.2014.FTh4A.4

Cite this

@conference{f7e0d8247bd14ef6b912178395ec6500,

title = "Quantum-enhanced precision in unitary process tomography",

abstract = "A novel scheme for unitary quantum process tomography (QPT) is theoretically presented and implemented experimentally. Multi-photon input states are used to obtain quantum-enhanced precision for the unitary estimation. Our results are compared to standard QPT.",

author = "Rebecca Whittaker and Zhou, {Xiao Qi} and Hugo Cable and Peter Shadbolt and O'Brien, {Jeremy L.} and Matthews, {Jonathan C.F.}",

year = "2014",

month = jan,

day = "1",

doi = "10.1364/CLEO_QELS.2014.FTh4A.4",

language = "English",

note = "2014 Conference on Lasers and Electro-Optics, CLEO 2014 ; Conference date: 08-06-2014 Through 13-06-2014",

url = "https://www.cleoconference.org/library/images/cleo/Archive/CLEO-Archive-2014.pdf",

}

TY - CONF

T1 - Quantum-enhanced precision in unitary process tomography

AU - Whittaker, Rebecca

AU - Zhou, Xiao Qi

AU - Cable, Hugo

AU - Shadbolt, Peter

AU - O'Brien, Jeremy L.

AU - Matthews, Jonathan C.F.

PY - 2014/1/1

Y1 - 2014/1/1

N2 - A novel scheme for unitary quantum process tomography (QPT) is theoretically presented and implemented experimentally. Multi-photon input states are used to obtain quantum-enhanced precision for the unitary estimation. Our results are compared to standard QPT.

AB - A novel scheme for unitary quantum process tomography (QPT) is theoretically presented and implemented experimentally. Multi-photon input states are used to obtain quantum-enhanced precision for the unitary estimation. Our results are compared to standard QPT.

UR - http://www.scopus.com/inward/record.url?scp=84944691631&partnerID=8YFLogxK

U2 - 10.1364/CLEO_QELS.2014.FTh4A.4

DO - 10.1364/CLEO_QELS.2014.FTh4A.4

M3 - Conference presentation/ephemera

T2 - 2014 Conference on Lasers and Electro-Optics, CLEO 2014

Y2 - 8 June 2014 through 13 June 2014

ER -

Quantum-enhanced precision in unitary process tomography

Abstract

Conference

Access to Document

Other files and links

Fingerprint

Cite this