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Spectrum Cascade Bloch Oscillations in Temporally Modulated Acoustics
[article]
2018
arXiv
pre-print
Bloch oscillations (BOs) refer to a periodically oscillatory motion of particle in lattice systems driven by a constant force. By temporally modulating acoustic waveguides, BOs can be generalized from spatial to frequency domain, opening new possibilities for spectrum manipulations. The modulation can induce mode transitions in the waveguide band and form an artificial frequency lattice, with the mismatched wave vector during transitions acting as a constant force that drives frequency Bloch
arXiv:1811.07121v1
fatcat:skfgk4oixbadzagjszus3sttnq