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Karras G, Ndong M, Hertz E, et al. Polarization shaping for unidirectional rotational motion of molecules. Phys Rev Lett. 2015;114(10):103001doi: 10.1103/PhysRevLett.114.103001.
Karras, G., Ndong, M., Hertz, E., Sugny, D., Billard, F., Lavorel, B., & Faucher, O. (2015). Polarization shaping for unidirectional rotational motion of molecules. Physical review letters, 114(10), 103001. https://doi.org/10.1103/PhysRevLett.114.103001
Karras, G, et al. "Polarization shaping for unidirectional rotational motion of molecules." Physical review letters vol. 114,10 (2015): 103001. doi: https://doi.org/10.1103/PhysRevLett.114.103001
Karras G, Ndong M, Hertz E, Sugny D, Billard F, Lavorel B, Faucher O. Polarization shaping for unidirectional rotational motion of molecules. Phys Rev Lett. 2015 Mar 13;114(10):103001. doi: 10.1103/PhysRevLett.114.103001. Epub 2015 Mar 10. PMID: 25815926.
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Phys Rev Lett. 2015 Mar 13;114(10):103001. doi: 10.1103/PhysRevLett.114.103001. Epub 2015 Mar 10.

Polarization shaping for unidirectional rotational motion of molecules.

Physical review letters

G Karras, M Ndong, E Hertz, D Sugny, F Billard, B Lavorel, O Faucher

Affiliations

  1. Laboratoire Interdisciplinaire CARNOT de Bourgogne, UMR 6303 CNRS-Université de Bourgogne, BP 47870, 21078 Dijon, France.

PMID: 25815926 DOI: 10.1103/PhysRevLett.114.103001

Abstract

Control of the orientation of the angular momentum of linear molecules is demonstrated by means of laser polarization shaping. For this purpose, we combine two orthogonally polarized and partially time-overlapped femtosecond laser pulses so as to produce a spinning linear polarization which in turn induces unidirectional rotation of N2 molecules. The evolution of the rotational response is probed by a third laser beam that can be either linearly or circularly polarized. The physical observable is the frequency shift imparted to the probe beam as a manifestation of the angular Doppler effect. Our experimental results are confirmed by theoretical computations, which allow one to gain a deep physical insight into the laser-molecule interaction.

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