Phase super-resolution using a photonic crystal fibre

Srikanth Kannan, Bryn Bell, Alex Clark, William J Wadsworth, John G Rarity

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Measurement, whilst being physically fundamental, is also fundamentally physical. Classical interferometric measurements suffer from physical limitations where the shot noise limit forms an upper bound of n on a phase shift Δφ that can be resolved, with √n being the average number of photons detected, making their applicability in modern nanoscale experiments quite restricted. Exotic quantum states such as maximally entangled NOON states (|N0≫A;B +|0N≫A;B)/√2, where N is the number of entangled photons are of particular importance as they have repeatedly been shown to exhibit phase super-resolution [1,2]. Interesting post selection schemes [2] and time-reversed detection schemes [3] have been investigated for phase estimation using NOON states. These methods are inherently non-deterministic at the preparation [2] or measurement [3] stage and thus do not optimise resources, for instance the number of photons passing through the sample greatly exceeds those used in the measurement.
Original languageEnglish
Title of host publication2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO EUROPE/EQEC)
Place of PublicationPiscataway, NJ
PublisherIEEE
Number of pages1
ISBN (Electronic)978-1-4577-0532-8
ISBN (Print)978-1-4577-0533-5
DOIs
Publication statusPublished - 2011
Event2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference - Munich, Germany
Duration: 22 May 201126 May 2011

Conference

Conference2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference
Abbreviated titleCLEO EUROPE/EQEC 2011
CountryGermany
CityMunich
Period22/05/1126/05/11

Fingerprint

photonics
fibers
crystals
photons
shot noise
resources
phase shift
preparation

Cite this

Kannan, S., Bell, B., Clark, A., Wadsworth, W. J., & Rarity, J. G. (2011). Phase super-resolution using a photonic crystal fibre. In 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO EUROPE/EQEC) [5943464] Piscataway, NJ: IEEE. https://doi.org/10.1109/CLEOE.2011.5943464

Phase super-resolution using a photonic crystal fibre. / Kannan, Srikanth; Bell, Bryn; Clark, Alex; Wadsworth, William J; Rarity, John G.

2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO EUROPE/EQEC). Piscataway, NJ : IEEE, 2011. 5943464.

Research output: Chapter in Book/Report/Conference proceedingChapter

Kannan, S, Bell, B, Clark, A, Wadsworth, WJ & Rarity, JG 2011, Phase super-resolution using a photonic crystal fibre. in 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO EUROPE/EQEC)., 5943464, IEEE, Piscataway, NJ, 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference , Munich, Germany, 22/05/11. https://doi.org/10.1109/CLEOE.2011.5943464
Kannan S, Bell B, Clark A, Wadsworth WJ, Rarity JG. Phase super-resolution using a photonic crystal fibre. In 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO EUROPE/EQEC). Piscataway, NJ: IEEE. 2011. 5943464 https://doi.org/10.1109/CLEOE.2011.5943464
Kannan, Srikanth ; Bell, Bryn ; Clark, Alex ; Wadsworth, William J ; Rarity, John G. / Phase super-resolution using a photonic crystal fibre. 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO EUROPE/EQEC). Piscataway, NJ : IEEE, 2011.
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