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Observation of Bloch oscillations with a threshold

Stutzer, Simon; Solntsev, Alexander; Nolte, Stefan; Sukhorukov, Andrey; Szameit, Alexander


We demonstrate experimentally Bloch oscillations, which occur above a certain threshold value of the effective potential gradient in lattices with specially modulated coupling between the neighboring sites. We formulate the general conditions for this phenomenon, arising due to the competition between the tilting and broadening of the transmission band, and explain why no threshold was present in any previous observations. Our experiments are performed in inhomogeneous photonic lattices, which...[Show more]

CollectionsANU Research Publications
Date published: 2017-05-12
Type: Journal article
Source: APL Photonics
DOI: 10.1063/1.4982879
Access Rights: Open Access


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