Raman-induced temporal condensed matter physics in gas-filled photonic crystal fibers

Mohammed F. Saleh, Andrea Armaroli, Truong X. Tran, Andrea Marini, Federico Belli, Amir Abdolvand, Fabio Biancalana

Research output: Contribution to journalArticle

10 Citations (Scopus)
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Abstract

Raman effect in gases can generate an extremely long-living wave of coherence that can lead to the establishment of an almost perfect temporal periodic variation of the medium refractive index. We show theoretically and numerically that the equations, regulate the pulse propagation in hollow-core photonic crystal fibers filled by Raman-active gas, are exactly identical to a classical problem in quantum condensed matter physics – but with the role of space and time reversed – namely an electron in a periodic potential subject to a constant electric field. We are therefore able to infer the existence of Wannier-Stark ladders, Bloch oscillations, and Zener tunneling, phenomena that are normally associated with condensed matter physics, using purely optical means.
Original languageEnglish
Pages (from-to)11879-11886
Number of pages8
JournalOptics Express
Volume23
Issue number9
Early online date27 Apr 2015
DOIs
Publication statusPublished - 4 May 2015

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