Abstract
We demonstrate two key components for optical quantum information processing: a bright source of heralded single photons; and a bright source of entangled photon pairs. A pair of pump photons produces a correlated pair of photons at widely spaced wavelengths (583 nm and 900A nm), via a χ(3) four-wave mixing process. We demonstrate nonclassical interference between heralded photons from independent sources with a visibility of 95% (after correction for background), and an entangled photon pair source, with a fidelity of 89% with a Bell state.
| Original language | English |
|---|---|
| Article number | 120501 |
| Journal | Physical Review Letters |
| Volume | 99 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - 17 Sep 2007 |
| Externally published | Yes |
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Fulconis, J., Alibart, O., Obrien, J. L., Wadsworth, W. J., & Rarity, J. G. (2007). Nonclassical interference and entanglement generation using a photonic crystal fiber pair photon source. Physical Review Letters, 99(12), [120501]. https://doi.org/10.1103/PhysRevLett.99.120501