Optical analogue of electronic Bloch oscillations

Year: 2003

Authors: Sapienza R., Costantino P., Wiersma D., Ghulinyan M., Oton C.J., Pavesi L.

Autors Affiliation: European Laboratory for Nonlinear Spectroscopy and INFM, Sesto Fiorentino (Florence), 50019, Italy; Department of Physics, University of Trento and INFM, Povo (Trento), I-38050, Italy

Abstract: We report on the observation of Bloch oscillations in light transport through periodic dielectric systems. By introducing a linear refractive index gradient along the propagation direction the optical equivalent of a Wannier-Stark ladder was obtained. Bloch oscillations were observed as time-resolved oscillations in transmission, in direct analogy to electronic Bloch oscillations in conducting crystals where the Wannier-Stark ladder is obtained via an external electric field. The observed oscillatory behavior is in excellent agreement with transfer matrix calculations.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 91 (26)      Pages from: 263902  to: 263902

KeyWords: Band structure; Crystals; Dielectric materials; Electric field effects; Light; Photons; Refractive index; Semiconductor materials; Superlattices, Dielectric systems; Electronic Bloch oscillations; Wannier-Stark ladder, Oscillations
DOI: 10.1103/PhysRevLett.91.263902

Citations: 238
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