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High-brightness photon pairs and strongly antibunching heralded single photons from a highly nonlinear optical fiber

Optics Communications, ISSN: 0030-4018, Vol: 450, Page: 304-307
2019
  • 10
    Citations
  • 0
    Usage
  • 11
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    10
    • Citation Indexes
      10
  • Captures
    11

Article Description

Vectorial four-wave mixing of low-power ultrashort laser pulses in a highly nonlinear fiber with a properly optimized dispersion profile is shown to enable an efficient generation of high-quality photon pairs with photon-pair count rates above 10 6 pairs/(s mW). A superbunching regime of photon-pair generation with the correlation coefficients g(2)(0) exceeding 1200 is demonstrated with pump powers p as low as 0.1 mW. Very low values of heralded-photon correlation coefficients, gc20 < 3⋅10−3, achieved in the low-p regime reveal a strong antibunching in the signal-photon channel, indicating that more than 99.7% of the signal counts correspond to truly single-photon states.

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