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Nonclassical interference between independent intrinsically pure single photons at telecommunication wavelength
- Source :
- Physical Review A. 87
- Publication Year :
- 2013
- Publisher :
- American Physical Society (APS), 2013.
-
Abstract
- We demonstrate a Hong-Ou-Mandel interference between two independent, intrinsically pure, heralded single photons from spontaneous parametric down-conversion (SPDC) at telecommunication wavelength. A visibility of $85.5\ifmmode\pm\else\textpm\fi{}8.3%$ was achieved without using any bandpass filter. Thanks to the group-velocity-matched SPDC and superconducting nanowire single-photon detectors (SNSPDs), the fourfold coincidence counts are one order higher than that in the previous experiments. The combination of bright single-photon sources and SNSPDs is a crucial step for future practical quantum infocommunication systems at telecommunication wavelength.
Details
- ISSN :
- 10941622 and 10502947
- Volume :
- 87
- Database :
- OpenAIRE
- Journal :
- Physical Review A
- Accession number :
- edsair.doi...........a18133efc5f94adb4182cc62013f0eaa