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Spin Qubits Silicon Quantum Computing
Photon-pair generation in photonic crystal fibrebre with a 1.5GHz modelocked VECSEL
arXiv
Authors: Oliver J. Morris, Robert J. A. Francis-Jones, Keith G. Wilcox, Anne C. Tropper, Peter J. Mosley
Year
2014
Paper ID
47625
Status
Preprint
Abstract Read
~2 min
Abstract Words
75
Citations
N/A
Abstract
Four-wave mixing (FWM) in optical fibre is a leading technique for generating high-quality photon pairs. We report the generation of photon pairs by spontaneous FWM in photonic crystal fibre pumped by a 1.5 GHz repetition-rate vertical-external-cavity surface-emitting laser (VECSEL). The photon pairs exhibit high count rates and a coincidence-to-accidental ratio of over 80. The VECSEL's high repetition-rate, high average power, tunability, and small footprint make this an attractive source for quantum key distribution and photonic quantum-state engineering.
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