Arend M, Block E, Hartmann S R
Opt Lett. 1993 Nov 1;18(21):1789-91. doi: 10.1364/ol.18.001789.
Photon-echo interference effects are used to manipulate the amplitude and polarization of a single echo generated by the read pulse in a long-lived stimulated echo pulse sequence. Interference is selective in time, frequency, and space, permitting modification of the multiplexed echo code.