Path-entangled photon sources on nonlinear chips

Solntsev, AS; Sukhorukov, AA

Path-entangled photon sources on nonlinear chips

Solntsev, AS

Sukhorukov, AA

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Publication Type:: Journal Article
Citation:: Reviews in Physics, 2017, 2 pp. 19 - 31
Issue Date:: 2017-11-01

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Field	Value	Language
dc.contributor.author	Solntsev, AS https://orcid.org/0000-0003-4981-9730	en_US
dc.contributor.author	Sukhorukov, AA	en_US
dc.date.issued	2017-11-01	en_US
dc.identifier.citation	Reviews in Physics, 2017, 2 pp. 19 - 31	en_US
dc.identifier.uri	http://hdl.handle.net/10453/111545
dc.description.abstract	© 2016 The Authors Photon entanglement has a range of applications from secure communication to the tests of quantum mechanics. Utilizing optical nonlinearity for the generation of entangled photons remains the most widely used approach due to its quality and simplicity. The on-chip integration of entangled light sources has enabled the increase of complexity and enhancement of stability compared to bulk optical implementations. Entanglement over different optical paths is uniquely suited for photonic chips, since waveguides are typically optimized for particular wavelength and polarization, making polarization- and frequency-entanglement less practical. In this review we focus on the latest developments in the field of on-chip nonlinear path-entangled photon sources. We provide a review of recent implementations and compare various approaches to tunability, including thermo-optical, electro-optical and all-optical tuning. We also discuss a range of important technical issues, in particular the on-chip separation of the pump and generated entangled photons. Finally, we review different quality control methods, including on-chip quantum tomography and recently discovered classical-quantum analogy that allows to characterize entangled photon sources by performing simple nonlinear measurements in the classical regime.	en_US
dc.relation	http://purl.org/au-research/grants/arc/DP160100619
dc.relation.ispartof	Reviews in Physics	en_US
dc.relation.isbasedon	10.1016/j.revip.2016.11.003	en_US
dc.title	Path-entangled photon sources on nonlinear chips	en_US
dc.type	Journal Article
utslib.citation.volume	2	en_US
utslib.for	0203 Classical Physics	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Science
pubs.organisational-group	/University of Technology Sydney/Faculty of Science/School of Mathematical and Physical Sciences
utslib.copyright.status	open_access
pubs.publication-status	Published	en_US
pubs.volume	2	en_US

Abstract:

© 2016 The Authors Photon entanglement has a range of applications from secure communication to the tests of quantum mechanics. Utilizing optical nonlinearity for the generation of entangled photons remains the most widely used approach due to its quality and simplicity. The on-chip integration of entangled light sources has enabled the increase of complexity and enhancement of stability compared to bulk optical implementations. Entanglement over different optical paths is uniquely suited for photonic chips, since waveguides are typically optimized for particular wavelength and polarization, making polarization- and frequency-entanglement less practical. In this review we focus on the latest developments in the field of on-chip nonlinear path-entangled photon sources. We provide a review of recent implementations and compare various approaches to tunability, including thermo-optical, electro-optical and all-optical tuning. We also discuss a range of important technical issues, in particular the on-chip separation of the pump and generated entangled photons. Finally, we review different quality control methods, including on-chip quantum tomography and recently discovered classical-quantum analogy that allows to characterize entangled photon sources by performing simple nonlinear measurements in the classical regime.

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http://hdl.handle.net/10453/111545