Experimental observation of Rabi oscillations in photonic lattices

Publication date
2009-03
Document type
Conference paper
Author
Shandarova, Ksenia
Rüter, Christian E.
Makris, Konstantinos G.
Christodoulides, Demetrios N.
Peleg, Or
Segev, Mordechai
Organisational unit
Technische Universität Clausthal
DOI
URI
Scopus ID
Pubmed ID
ISSN
Conference
Lasers and Electro-Optics / Quantum Electronics and Laser Science Conference (CLEO/QELS) 2008
Series or journal
Physical review letters
Periodical volume
102
Periodical issue
12
Part of the university bibliography
Nein
Abstract
We demonstrate spatial Rabi oscillations in optical waveguide arrays. Adiabatic transitions between extended Floquet-Bloch modes associated with different bands are stimulated by periodic modulation of the photonic lattice in the propagation direction. When the stimulating modulation also carries transverse momentum, the transition becomes indirect, equivalent to phonon-assisted Rabi oscillations. In solid state physics such indirect Rabi oscillations necessitate coherent phonons and hence they have never been observed. Our experiments suggest that phonon-assisted Rabi oscillations are observable also with Bose-Einstein condensates, as well as with other wave systems-where coherence can be maintained for at least one period of the Rabi oscillation.
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