Experimental observation of linear and nonlinear optical bloch oscillations

R. Morandotti, U. Peschel, J. S. Aitchison, H. S. Eisenberg, Y. Silberberg

Research output: Contribution to journalArticlepeer-review

593 Scopus citations


We experimentally demonstrate the occurrence of optical Bloch oscillations in a waveguide array with linearly growing effective index of the individual guides. We monitored the output profiles for varying propagation lengths and observed a periodic transverse motion of the field and a complete recovery of the initial excitation. The action of the focusing nonlinearity leads to a loss of recovery, symmetry breaking, and power-induced beam spreading.

Original languageAmerican English
Pages (from-to)4756-4759
Number of pages4
JournalPhysical Review Letters
Issue number23
StatePublished - 1 Jan 1999
Externally publishedYes


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