Nonclassical correlations between terahertz-bandwidth photons mediated by rotational quanta in hydrogen molecules

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DOIResolve DOI: http://doi.org/10.1364/OL.40.000922
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TypeArticle
Journal titleOptics Letters
ISSN0146-9592
1539-4794
Volume40
Issue6
Pages922925
AbstractQuantum photonics offers much promise for the development of new technologies. The ability to control the interaction of light and matter at the level of single quantum excitations is a prerequisite for the construction of potentially powerful devices. Here we use the rotational levels of a room temperature ensemble of hydrogen molecules to couple two distinct optical modes at the single photon level using femtosecond pulses with 2 THz bandwidth. We observe photon correlations that violate a Cauchy–Schwarz inequality, thereby verifying the creation of a nonclassical state. This work demonstrates the rich potential of molecules for use in ultrafast quantum photonic devices.
Publication date
PublisherThe Optical Society
LanguageEnglish
AffiliationSecurity and Disruptive Technologies; National Research Council Canada
Peer reviewedYes
NPARC number23000128
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Record identifier15fb6c38-9e1c-4ff5-8212-bb6bb16e1f1c
Record created2016-06-06
Record modified2016-06-07
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