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  Cascaded second-order processes for the efficient generation of narrowband terahertz radiation

Cirmi, G., Hemmer, M., Ravi, K., Reichert, F., Zapata, L. E., Calendron, A.-L., et al. (2017). Cascaded second-order processes for the efficient generation of narrowband terahertz radiation. Journal of Physics B: Atomic, Molecular and Optical Physics, 50(4): 044002. doi:10.1088/1361-6455/aa5405.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-D7AE-0 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-D7AF-E
Genre: Journal Article

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https://doi.org/10.1088/1361-6455/aa5405 (Publisher version)
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 Creators:
Cirmi, Giovanni1, 2, Author
Hemmer, Michael1, Author
Ravi, Koustuban1, 3, Author
Reichert, Fabian4, Author
Zapata, Luis E1, Author
Calendron, Anne-Laure1, 2, Author
Çankaya, Hüseyin1, 2, Author
Ahr, Frederike1, 4, 5, Author              
Mücke, Oliver D1, 2, Author
Matlis, Nicholas H1, Author
Kärtner, Franz X1, 2, 3, 4, Author
Affiliations:
1Center for Free-Electron Laser Science, Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, D-22607 Hamburg, Germany, escidoc:persistent22              
2The Hamburg Center for Ultrafast Imaging, Luruper Chaussee 149, D-22761 Hamburg, Germany, escidoc:persistent22              
3Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology, 77 Massachusetts Ave, Cambridge, MA 02139, USA, escidoc:persistent22              
4Physics Department, University of Hamburg, Luruper Chaussee 149, D-22761 Hamburg, Germany, escidoc:persistent22              
5International Max Planck Research School for Ultrafast Imaging & Structural Dynamics (IMPRS-UFAST), Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, escidoc:2266714              

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Free keywords: terahertz, optical parametric amplification, cascading, nonlinear optics, table top free electron laser
 Abstract: The generation of high-energy narrowband terahertz radiation has gained heightened importance in recent years due to its potentially transformative impact on spectroscopy, high-resolution radar and more recently electron acceleration. Among various applications, such terahertz radiation is particularly important for table-top free electron lasers, which are at the moment a subject of extensive research. Second-order nonlinear optical methods are among the most promising techniques to achieve the required coherent radiation with energy > 10 mJ, peak field > 100 MV m-1, and frequency between 0.1 and 1 THz. However, they are conventionally thought to suffer from low efficiencies < ~10-3, due to the high ratio between optical and terahertz photon energies, in what is known as the Manley-Rowe limitation. In this paper, we review the current second-order nonlinear optical methods for the generation of narrowband terahertz radiation. We explain how to employ spectral cascading to increase the efficiency beyond the Manley-Rowe limit and describe the first experimental results in the direction of a terahertz-cascaded optical parametric amplifier, a novel technique which promises to fully exploit spectral cascading to generate narrowband terahertz radiation with few percent optical-to-terahertz conversion efficiency.

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Language(s): eng - English
 Dates: 2016-10-312016-12-152017-01-202017-02-28
 Publication Status: Published in print
 Pages: 8
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1088/1361-6455/aa5405
 Degree: -

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Title: Journal of Physics B: Atomic, Molecular and Optical Physics
Source Genre: Journal
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Publ. Info: Bristol : IOP Publishing
Pages: - Volume / Issue: 50 (4) Sequence Number: 044002 Start / End Page: - Identifier: CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/0022-3700