Using waves of the form t^(n-1) e^{-i ω̃ t}, the authors show that higher-order virtual gain reduces truncation and finite-bandwidth artifacts in loss-compensated metamaterial spectroscopy.
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High-order virtual gain for optical loss compensation in plasmonic metamaterials
Using waves of the form t^(n-1) e^{-i ω̃ t}, the authors show that higher-order virtual gain reduces truncation and finite-bandwidth artifacts in loss-compensated metamaterial spectroscopy.