期刊
NEW JOURNAL OF PHYSICS
卷 13, 期 -, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/13/6/065009
关键词
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资金
- UK EPSRC [EP/F002424/1]
- EU [248095]
- ERC [247462 QUOWSS]
- Wolfson Merit Award
- AXA
- Engineering and Physical Sciences Research Council [EP/F003560/1, EP/F002424/1] Funding Source: researchfish
- EPSRC [EP/F003560/1, EP/F002424/1] Funding Source: UKRI
In this paper, we study the tailoring of photon spectral properties generated by four-wave mixing in a birefringent photonic crystal fibre (PCF). The aim is to produce intrinsically narrow-band photons and hence to achieve high non-classical interference visibility and generate high-fidelity entanglement without any requirement for spectral filtering, leading to high effective detection efficiencies. We show unfiltered Hong-Ou-Mandel interference visibilities of 77% between photons from the same PCF and 80% between separate sources. We compare results from modelling the PCF to these experiments and analyse photon purities.
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