Photon-pair generation in photonic crystal fibre with a 1.5 GHz modelocked VECSEL

Oliver J. Morris, Robert J. A. Francis-Jones, Keith G. Wilcox, Anne C. Tropper, Peter J. Mosley (Lead / Corresponding author)

Research output: Contribution to journalArticle

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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.
Original languageEnglish
Pages (from-to)39-44
Number of pages6
JournalOptics Communications
Volume327
Early online date14 Feb 2014
DOIs
Publication statusPublished - 15 Sep 2014

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