Ultraslow Propagation of Matched Pulses by Four-Wave Mixing in an Atomic Vapor
Ultraslow Propagation of Matched Pulses by Four-Wave Mixing in an Atomic Vapor
We have observed the ultraslow propagation of matched pulses in nondegenerate four-wave mixing in a hot atomic vapor. Probe pulses as short as 70 ns can be delayed by a tunable time of up to 40 ns with little broadening or distortion. During the propagation, a probe pulse is amplified …