NDLI: Optimal photon-pair single-mode coupling in narrow-band spontaneous parametric downconversion with arbitrary pump profile

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Optimal photon-pair single-mode coupling in narrow-band spontaneous parametric downconversion with arbitrary pump profile

Content Provider	Semantic Scholar
Author	Smirr, Jean-Loup Deconinck, M. Frey, Robert C. Agha, I. I. Diamanti, Eleni Zaquine, Isabelle
Copyright Year	2011
Abstract	A theoretical investigation of the performance of single-mode coupled spontaneous parametric downconversion sources is proposed, which only requires very few assumptions of practical interest: quasi-degenerate collinear generation and narrow bandwidth obtained through spectral filtering. Other assumptions, such as pump-beam spatial and temporal envelopes, target single-mode profile and size, and nonlinear susceptibility distribution, are only taken into account in the final step of the computation, thus making the theory general and flexible. Figures of merit for performance include absolute coupled brightness and conditional coupling efficiency. Their optimization is investigated using functions that only depend on dimensionless parameters, so that the results provide the best experimental configuration for a whole range of design choices (e.g., crystal length, pump power, etc.). A particular application of the theory is validated by an experimental optimization obtained under compatible assumptions. A comparison with other works and proposals for numerically implementing the theory under less stringent assumptions is also provided.
Starting Page	288
Ending Page	301
Page Count	14
File Format	PDF HTM / HTML
DOI	10.1364/JOSAB.30.000288
Volume Number	30
Alternate Webpage(s)	https://arxiv.org/pdf/1108.5884v1.pdf
Alternate Webpage(s)	https://doi.org/10.1364/JOSAB.30.000288
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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