Sub-megahertz linewidth single photon source

We report 100% duty cycle generation of sub-MHz single photon pairs at the rubidium D1 line using cavity-enhanced spontaneous parametric downconversion. The temporal intensity cross correlation function exhibits a bandwidth of 666±16 kHz for the single photons, an order of magnitude below the natura...

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Bibliographic Details
Main Authors: Markus Rambach, Aleksandrina Nikolova, Till J. Weinhold, Andrew G. White
Format: Article
Language:English
Published: AIP Publishing LLC 2016-12-01
Series:APL Photonics
Online Access:http://dx.doi.org/10.1063/1.4966915