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  Pump depletion in parametric down-conversion with low pump energies

Flórez, J., Lundeen, J. S., & Chekhova, M. V. (2020). Pump depletion in parametric down-conversion with low pump energies. Optics Letters, 45(15), 4264-4267. doi:10.1364/OL.394925.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-C879-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-C87A-0
Genre: Journal Article

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 Creators:
Flórez, Jefferson1, 2, Author
Lundeen, Jeff S.1, 2, Author
Chekhova, M. V.3, 4, 5, Author              
Affiliations:
1Department of Physics and Centre for Research in Photonics, University of Ottawa, ou_persistent22              
2Max Planck-University of Ottawa Centre for Extreme and Quantum Photonics, University of Ottawa, ou_persistent22              
3Chekhova Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364715              
4Institute of Optics, Information and Photonics, University of Erlangen-Nürnberg, ou_persistent22              
5Department of Physics, M. V. Lomonosov Moscow State University, ou_persistent22              

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 Abstract: We report the efficient generation of high-gain parametric down-conversion, including pump depletion, with pump powers as low as 100 μW (energies 0.1 μJ/pulse) and conver- sion efficiencies up to 33%. In our simple configuration, the pump beam is tightly focused into a bulk periodically poled lithium niobate crystal placed in free space. We also observe a change in the photon number statistics for both the pump and down-converted beams as the pump power increases to reach the depleted pump regime. The experimental results are a clear signature of the interplay between the pump and the down-converted beams in highly efficient parametric down-conversion sources

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Language(s): eng - English
 Dates: 2020-07-28
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1364/OL.394925
 Degree: -

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Title: Optics Letters
Source Genre: Journal
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Publ. Info: Washington : Optical Society of America
Pages: - Volume / Issue: 45 (15) Sequence Number: - Start / End Page: 4264 - 4267 Identifier: ISSN: 0146-9592
CoNE: https://pure.mpg.de/cone/journals/resource/954925474435