期刊
OPTICS EXPRESS
卷 23, 期 9, 页码 11879-11886出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.23.011879
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资金
- Royal Society of Edinburgh, Scottish Government
- German Max Planck Society for the Advancement of Science
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. (C) 2015 Optical Society of America
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