Superluminal k-gap solitons in photonic time-crystals with Kerr nonlinearity
Conference on Lasers and Electro-Optics(2022)
摘要
We find superluminal solitons residing in the momentum gap of nonlinear photonic time-crystals and explore their faster-than-light pulse propagation in view of Einstein’s causality, the instantaneous response of time-varying permittivity, and signal velocity forerunners.
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关键词
kerr,k-gap,time-crystals
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