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Highly efficient fast light propagation of optical pulse at negative group velocity was demonstrated in a single-mode tellurite fiber embedded in a Brillouin laser ring cavity. A maximum advancement of 385 ns and an average time advancement per unit power of 3.77 ns/mW were observed when the cavity was pumped with a 1-MHz sinusoidal wave signal at a power level of 102 mW. Pump loss of 7.9 dB was also...
Highly efficient fast light propagation at negative group velocity was demonstrated in a 6.2 m long single-mode tellurite fiber embedded in a Brillouin laser ring cavity.
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