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All-optical modulation of four-wave mixing in an Rb-filled photonic bandgap fiber
2010
Optics Letters
Preserved Fulltext
We demonstrate efficient all-optical modulation using Rb vapor confined to a hollow-core photonic bandgap fiber. The intensity of a signal field participating in the four-wave-mixing process is modulated using a weak switching field. We observe 3 dB of attenuation in the signal field with only 3600 photons of switching energy, corresponding to 23 photons per atomic cross section λ 2 =ð2πÞ. Modulation bandwidths as high as 300 MHz are observed.
doi:10.1364/ol.35.002287
pmid:20596222
fatcat:mzqbzxtrdzdwzhuvkuoyp6hlsm