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Controlling induced coherence for quantum imaging

Kolobov, Mikhail I. ; Giese, Enno ; Lemieux, Samuel ; Fickler, Robert ; Boyd, Robert W. (2017)
Controlling induced coherence for quantum imaging.
In: Journal of Optics, 19 (5)
doi: 10.1088/2040-8986/aa64a2
Artikel, Bibliographie

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Kurzbeschreibung (Abstract)

Induced coherence in parametric down-conversion between two coherently pumped nonlinear crystals that share a common idler mode can be used as an imaging technique. Based on the interference between the two signal modes of the crystals, an image can be reconstructed. By obtaining an expression for the interference pattern that is valid in both the low- and the high-gain regimes of parametric down-conversion, we show how the coherence of the light emitted by the two crystals can be controlled. With our comprehensive analysis we provide deeper insight into recent discussions about the application of induced coherence to imaging in different regimes. Moreover, we propose a scheme for optimizing the visibility of the interference pattern so that it directly corresponds to the degree of coherence of the light generated in the two crystals. We find that this scheme leads in the high-gain regime to a visibility arbitrarily close to unity.

Typ des Eintrags: Artikel
Erschienen: 2017
Autor(en): Kolobov, Mikhail I. ; Giese, Enno ; Lemieux, Samuel ; Fickler, Robert ; Boyd, Robert W.
Art des Eintrags: Bibliographie
Titel: Controlling induced coherence for quantum imaging
Sprache: Englisch
Publikationsjahr: 24 März 2017
Ort: Bristol
Verlag: IOP Publishing
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Journal of Optics
Jahrgang/Volume einer Zeitschrift: 19
(Heft-)Nummer: 5
Kollation: 9 Seiten
DOI: 10.1088/2040-8986/aa64a2
URL / URN: https://iopscience.iop.org/article/10.1088/2040-8986/aa64a2
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Kurzbeschreibung (Abstract):

Induced coherence in parametric down-conversion between two coherently pumped nonlinear crystals that share a common idler mode can be used as an imaging technique. Based on the interference between the two signal modes of the crystals, an image can be reconstructed. By obtaining an expression for the interference pattern that is valid in both the low- and the high-gain regimes of parametric down-conversion, we show how the coherence of the light emitted by the two crystals can be controlled. With our comprehensive analysis we provide deeper insight into recent discussions about the application of induced coherence to imaging in different regimes. Moreover, we propose a scheme for optimizing the visibility of the interference pattern so that it directly corresponds to the degree of coherence of the light generated in the two crystals. We find that this scheme leads in the high-gain regime to a visibility arbitrarily close to unity.

Fachbereich(e)/-gebiet(e): 05 Fachbereich Physik
05 Fachbereich Physik > Institut für Angewandte Physik
05 Fachbereich Physik > Institut für Angewandte Physik > Theoretische Quantenoptik
05 Fachbereich Physik > Institut für Angewandte Physik > Theoretische Quantenphysik
Hinterlegungsdatum: 07 Jul 2022 10:08
Letzte Änderung: 13 Sep 2024 09:35
PPN: 503625787
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