publication . Article . Preprint . 2017

Quantum interference between autonomous single-photon sources from Doppler-broadened atomic ensembles

Jiho Park; Han Seb Moon; Taek Jeong; Yoon-Seok Lee; Heonoh Kim;
Open Access
  • Published: 02 Jun 2017 Journal: Optica, volume 4, page 1,167 (eissn: 2334-2536, Copyright policy)
  • Publisher: The Optical Society
To realize a quantum network based on quantum entanglement swapping, bright and completely autonomous sources are essentially required. Here, we experimentally demonstrate Hong-Ou-Mandel (HOM) quantum interference between two independent bright photon pairs generated via the spontaneous four-wave mixing in Doppler-broadened ladder-type 87Rb atoms. Bright autonomous heralded single photons are operated in a continuous-wave (CW) mode with no synchronization or supplemental filters. The four-fold photon coincidence counts per hour correspond to 5000 events for a temporal range of 10 ns, one order higher than those of previously reported for autonomous single photon...
free text keywords: Quantum Physics, Photon polarization, Doppler effect, symbols.namesake, symbols, Four-wave mixing, Optics, business.industry, business, Quantum network, Physics, Quantum teleportation, Interference (wave propagation), Photon, Quantum entanglement
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