期刊
NEW JOURNAL OF PHYSICS
卷 24, 期 6, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1367-2630/ac7348
关键词
waveguide; dispersion engineering; coherent photon conversion
资金
- Australian Research Council [DE180100070, DP160100619, DP190100277]
- Australian Research Council Future Fellowship [FT170100399]
- Ministry of Education and Science of the Russian Federation [AAAA-A18-118020190095-4]
- Australian Research Council [FT170100399, DE180100070] Funding Source: Australian Research Council
This article introduces how to control photon conversion in nonlinear optical waveguides by manipulating frequency dispersion, achieving efficient photon pair production. The results demonstrate that dispersion engineering is a promising approach to achieve complete deterministic conversion and high conversion efficiency within a finite propagation distance.
High-efficiency photon-pair production is a long-sought-after goal for many optical quantum technologies, and coherent photon conversion (CPC) processes are promising candidates for achieving this. We show theoretically how to control coherent conversion between a narrow-band pump photon and broadband photon pairs in nonlinear optical waveguides by tailoring frequency dispersion for broadband quantum frequency mixing. We reveal that complete deterministic conversion as well as pump-photon revival can be achieved at a finite propagation distance. We also find that high conversion efficiencies can be realised robustly over long propagation distances. These results demonstrate that dispersion engineering is a promising way to tune and optimise the CPC process.
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