Optical analogue of electronic Bloch oscillations

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

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261 Citations (Scopus)

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.

Original languageEnglish
Article number263902
Number of pages4
JournalPhysical Review Letters
Volume91
Issue number26
DOIs
Publication statusPublished - 23 Dec 2003

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