Theoretical Model for Superluminal and Slow Light in Erbium-Doped Optical Fibers: Enhancement of the Frequency Response by Pump Modulation
S. Jarabo, A. Schweinsberg, N. N. Lepshkin, M. S. Bigelow, and R. W. Boyd, Appl. Phys. B 107, 717 (2012).
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