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Parametric Amplification of Optical Phonons

MPG-Autoren
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Cartella,  A.
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

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Nova,  T. F.
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
The Hamburg Centre for Ultrafast Imaging, University of Hamburg;

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Fechner,  M.
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;

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Cavalleri,  A.
Quantum Condensed Matter Dynamics, Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
The Hamburg Centre for Ultrafast Imaging, University of Hamburg;
Department of Physics, Clarendon Laboratory, University of Oxford;

Externe Ressourcen

https://arxiv.org/abs/1708.09231
(Preprint)

https://dx.doi.org/10.1073/pnas.1809725115
(Verlagsversion)

Volltexte (beschränkter Zugriff)
Für Ihren IP-Bereich sind aktuell keine Volltexte freigegeben.
Volltexte (frei zugänglich)

1708.09231.pdf
(Preprint), 5MB

Ergänzendes Material (frei zugänglich)

pnas.1809725115.sapp.pdf
(Ergänzendes Material), 2MB

Zitation

Cartella, A., Nova, T. F., Fechner, M., Merlin, R., & Cavalleri, A. (2018). Parametric Amplification of Optical Phonons. Proceedings of the National Academy of Sciences of the United States of America, 115(48), 12148-12151. doi:10.1073/pnas.1809725115.


Zitierlink: https://hdl.handle.net/21.11116/0000-0000-266F-A
Zusammenfassung
The amplification of light through stimulated emission or nonlinear optical interactions has had a transformative impact on modern science and technology. The amplification of other bosonic excitations, like phonons in solids, is likely to open up new remarkable physical phenomena. This paper reports an experimental demonstration of optical phonon amplification, supported by first-principle calculations. The combination of our experiments and simulations clarifies a microscopic mechanism for phonon-mediated four-wave mixing, a highly interesting process. Our results could be extended toward an enhanced control of phonon-polariton waves, interesting for information transport on subwavelength length scales.