Abstract
We report on the first experimental observation of photonic Bloch oscillations and Zener tunneling in two-dimensional periodic systems. We study the propagation of an optical beam in a square lattice superimposed on a refractive index ramp. We observe oscillations of the beam inside the first Brilloin zone and tunneling of light from the first to the higher-order bands of the lattice band gap spectrum.
| Original language | English |
|---|---|
| Article number | 053903 |
| Journal | Physical Review Letters |
| Volume | 96 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 2006 |
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