Intensity correlation OCT is a classical mimic of quantum OCT providing up to twofold resolution improvement

Abstract Quantum Optical Coherence Tomography (Q-OCT) uses quantum properties of light to provide several advantages over its classical counterpart, OCT: it achieves a twice better axial resolution with the same spectral bandwidth and it is immune to even orders of dispersion. Since these features a...

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Autores principales:	Sylwia M. Kolenderska, Piotr Kolenderski
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/b514a7a1c3ff4ed0818594024ba32dd0
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spelling	oai:doaj.org-article:b514a7a1c3ff4ed0818594024ba32dd02021-12-02T18:24:54ZIntensity correlation OCT is a classical mimic of quantum OCT providing up to twofold resolution improvement10.1038/s41598-021-90837-92045-2322https://doaj.org/article/b514a7a1c3ff4ed0818594024ba32dd02021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-90837-9https://doaj.org/toc/2045-2322Abstract Quantum Optical Coherence Tomography (Q-OCT) uses quantum properties of light to provide several advantages over its classical counterpart, OCT: it achieves a twice better axial resolution with the same spectral bandwidth and it is immune to even orders of dispersion. Since these features are very sought-after in OCT imaging, many hardware and software techniques have been created to mimic the quantum behaviour of light and achieve these features using traditional OCT systems. The most recent, purely algorithmic scheme—an improved version of Intensity Correlation Spectral Domain OCT named ICA-SD-OCT—showed even-order dispersion cancellation and reduction of artefacts. The true capabilities of this method were unfortunately severely undermined, both in terms of its relation to Q-OCT and its main performance parameters. In this work, we provide experimental demonstrations as well as numerical and analytical arguments to show that ICA-SD-OCT is a true classical equivalent of Q-OCT, more specifically its Fourier domain version, and therefore it enables a true two-fold axial resolution improvement. We believe that clarification of all the misconceptions about this very promising algorithm will highlight the great value of this method for OCT and consequently lead to its practical applications for resolution- and quality-enhanced OCT imaging.Sylwia M. KolenderskaPiotr KolenderskiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sylwia M. Kolenderska Piotr Kolenderski Intensity correlation OCT is a classical mimic of quantum OCT providing up to twofold resolution improvement
description	Abstract Quantum Optical Coherence Tomography (Q-OCT) uses quantum properties of light to provide several advantages over its classical counterpart, OCT: it achieves a twice better axial resolution with the same spectral bandwidth and it is immune to even orders of dispersion. Since these features are very sought-after in OCT imaging, many hardware and software techniques have been created to mimic the quantum behaviour of light and achieve these features using traditional OCT systems. The most recent, purely algorithmic scheme—an improved version of Intensity Correlation Spectral Domain OCT named ICA-SD-OCT—showed even-order dispersion cancellation and reduction of artefacts. The true capabilities of this method were unfortunately severely undermined, both in terms of its relation to Q-OCT and its main performance parameters. In this work, we provide experimental demonstrations as well as numerical and analytical arguments to show that ICA-SD-OCT is a true classical equivalent of Q-OCT, more specifically its Fourier domain version, and therefore it enables a true two-fold axial resolution improvement. We believe that clarification of all the misconceptions about this very promising algorithm will highlight the great value of this method for OCT and consequently lead to its practical applications for resolution- and quality-enhanced OCT imaging.
format	article
author	Sylwia M. Kolenderska Piotr Kolenderski
author_facet	Sylwia M. Kolenderska Piotr Kolenderski
author_sort	Sylwia M. Kolenderska
title	Intensity correlation OCT is a classical mimic of quantum OCT providing up to twofold resolution improvement
title_short	Intensity correlation OCT is a classical mimic of quantum OCT providing up to twofold resolution improvement
title_full	Intensity correlation OCT is a classical mimic of quantum OCT providing up to twofold resolution improvement
title_fullStr	Intensity correlation OCT is a classical mimic of quantum OCT providing up to twofold resolution improvement
title_full_unstemmed	Intensity correlation OCT is a classical mimic of quantum OCT providing up to twofold resolution improvement
title_sort	intensity correlation oct is a classical mimic of quantum oct providing up to twofold resolution improvement
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/b514a7a1c3ff4ed0818594024ba32dd0
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Intensity correlation OCT is a classical mimic of quantum OCT providing up to twofold resolution improvement

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