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Shaping the Ultrafast Temporal Correlations of Thermal-Like Photons
KTH, School of Information and Communication Technology (ICT), Microelectronics and Applied Physics, MAP.
2012 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 109, no 24, 243905- p.Article in journal (Refereed) Published
Abstract [en]

We show that the temporal correlations between two light beams arising from a broadband thermal-like source can be controlled in the femtosecond regime. Specifically, by introducing spectral phase-only masks in the path of one of the beams, we show that the timing and strength of the photon correlations can be programmed on demand. This example demonstrates that the interbeam second-order coherence function propagates as a phase-sensitive ultrafast wave packet in the path towards the detectors, and is thus, susceptible to be modified by acting on just one of the beams. For quite some time, it has been thought that this could only happen with sources showing time-energy entanglement. Our work shows that such a property is due to the existence of a certain type of correlation, but not necessarily the entanglement.

Place, publisher, year, edition, pages
2012. Vol. 109, no 24, 243905- p.
Keyword [en]
Optical Coherence Tomography, Hanbury-Brown, Incoherent-Light, Electrons, Cavity, Beams
National Category
Other Physics Topics
URN: urn:nbn:se:kth:diva-110058DOI: 10.1103/PhysRevLett.109.243905ISI: 000312369800005ScopusID: 2-s2.0-84871259196OAI: diva2:585683

QC 20130110

Available from: 2013-01-10 Created: 2013-01-10 Last updated: 2013-01-10Bibliographically approved

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Friberg, Ari T.
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