Universality of the Heisenberg limit for estimates of random phase shifts

Michael J. W. Hall; Dominic W. Berry; Marcin Zwierz; Howard M. Wiseman

doi:10.1364/QELS.2012.QTu2E.7

Universality of the Heisenberg limit for estimates of random phase shifts

Michael J. W. Hall, Dominic W. Berry, Marcin Zwierz, Howard M. Wiseman

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

Abstract

Recent work has suggested that it is possible to perform phase measurements more accurately than the Heisenberg limit. We show that, when one averages over random phase shifts, the Heisenberg limit is universal.

Original language	English
Title of host publication	Proceedings, Conference on Lasers and Electro-Optics 2012
Subtitle of host publication	Quantum Electronics and Laser Science Conference
Place of Publication	Washington, DC
Publisher	Optical Society of America (OSA)
Pages	1-2
Number of pages	2
ISBN (Print)	9781557529435, 9781467318396
DOIs	https://doi.org/10.1364/QELS.2012.QTu2E.7
Publication status	Published - 2012
Event	Quantum Electronics and Laser Science Conference, QELS 2012 - San Jose, CA, United States Duration: 6 May 2012 → 11 May 2012

Other

Other	Quantum Electronics and Laser Science Conference, QELS 2012
Country/Territory	United States
City	San Jose, CA
Period	6/05/12 → 11/05/12

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10.1364/QELS.2012.QTu2E.7

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title = "Universality of the Heisenberg limit for estimates of random phase shifts",

abstract = "Recent work has suggested that it is possible to perform phase measurements more accurately than the Heisenberg limit. We show that, when one averages over random phase shifts, the Heisenberg limit is universal.",

author = "Hall, {Michael J. W.} and Berry, {Dominic W.} and Marcin Zwierz and Wiseman, {Howard M.}",

year = "2012",

doi = "10.1364/QELS.2012.QTu2E.7",

language = "English",

isbn = "9781557529435",

pages = "1--2",

booktitle = "Proceedings, Conference on Lasers and Electro-Optics 2012",

publisher = "Optical Society of America (OSA)",

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note = "Quantum Electronics and Laser Science Conference, QELS 2012 ; Conference date: 06-05-2012 Through 11-05-2012",

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Hall, MJW, Berry, DW, Zwierz, M & Wiseman, HM 2012, Universality of the Heisenberg limit for estimates of random phase shifts. in Proceedings, Conference on Lasers and Electro-Optics 2012: Quantum Electronics and Laser Science Conference., 6327089, Optical Society of America (OSA), Washington, DC, pp. 1-2, Quantum Electronics and Laser Science Conference, QELS 2012, San Jose, CA, United States, 6/05/12. https://doi.org/10.1364/QELS.2012.QTu2E.7

Universality of the Heisenberg limit for estimates of random phase shifts. / Hall, Michael J. W.; Berry, Dominic W.; Zwierz, Marcin et al.
Proceedings, Conference on Lasers and Electro-Optics 2012: Quantum Electronics and Laser Science Conference. Washington, DC: Optical Society of America (OSA), 2012. p. 1-2 6327089.

Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review

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T1 - Universality of the Heisenberg limit for estimates of random phase shifts

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AU - Berry, Dominic W.

AU - Zwierz, Marcin

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Y1 - 2012

N2 - Recent work has suggested that it is possible to perform phase measurements more accurately than the Heisenberg limit. We show that, when one averages over random phase shifts, the Heisenberg limit is universal.

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M3 - Conference proceeding contribution

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SN - 9781557529435

SN - 9781467318396

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BT - Proceedings, Conference on Lasers and Electro-Optics 2012

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T2 - Quantum Electronics and Laser Science Conference, QELS 2012

Y2 - 6 May 2012 through 11 May 2012

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Universality of the Heisenberg limit for estimates of random phase shifts

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