Abstract
We have developed a source of time-correlated photon pairs based on phase matched four-wave mixing in a photonic crystal fiber designed to have a zero dispersion wavelength, lambda0, close to 715nm. We generate parametric gain by pumping close to lambda0 in the normal dispersion regime. By pumping with a pulsed titanium-sapphire (TI-SA) laser tuned to 708 nm we generate pair-photons at 583 nm and 900 nm visible to efficient silicon- based photon counting detectors. We can generate >100000 detected pairs per second (in a single spatial and temoral mode) with a few milli-watts of pump power. Using this source we have been able to show high visibility multi-photon interference, by mixing at a 50:50 beam-splitter, two heralded single photons generated in spatially separated micro-structured fibres. The source brightness meant we were able to measure high rates of four- photon generation and detection.
| Translated title of the contribution | Multiphoton experiments using fibre pair photon sources |
|---|---|
| Original language | English |
| Title of host publication | European Conference on Lasers and Electro-Optics, 2007 and the International Quantum Electronics Conference (CLEOE-IQEC 2007), Munich, Germany |
| Publisher | Institute of Electrical and Electronics Engineers (IEEE) |
| ISBN (Print) | 9781424409310 |
| DOIs | |
| Publication status | Published - 17 Jun 2007 |
Research Groups and Themes
- QETLabs
- Photonics and Quantum
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