Anomalous optical Bloch oscillations

• Published in: Solid state communications Vol. 213-214; pp. 16 - 18
• Main Authors: Gozman, M.I., Polishchuk, Yu.I., Polishchuk, I.Ya, Tsivkunova, E.A.
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.07.2015
• Subjects: D. Optical Bloch oscillations; D. Waveguide array; D. Waveguide array; D. Optical Bloch oscillations
• ISSN: 0038-1098; 1879-2766
• DOI: 10.1016/j.ssc.2015.04.010

Anomalous optical Bloch oscillation in waveguide arrays are investigated within the generalized Coupling Mode Model (CMM). This model takes into account the next neighbor interaction between the waveguides along with the nearest neighbor interaction. The exact analytical solution for the optical beam path is found. A criterion of the appearance of the anomalous Bloch oscillations against the standard Bloch oscillations background is discovered. A comparison between the analytical result and the numerical simulation reveals a good agreement. •An exact solution for the generalized coupling mode model which describes the interacting waveguides is found.•It is shown that the model describes the anomalous optical Bloch oscillations.•An exact criterion for the manifestation of this oscillations is found.