Formation of acoustooptical bound states by optical pulses

An interesting aspect of the acoustooptical interaction is studied in this paper — the formation of acoustooptical bound states by optical pulses. An analysis is made of the solution of a system of three nonlinear partial differential equations describing the case of collinear acoustooptical interaction. A specific example of this solution is examined for the case of the interaction of a sequence of acoustic pulses with a digital sequence of optical pulses. It is shown that the values of the recorded sequences of scattered light correspond to the logical operation “ AND” operating on the sequence of acoustic and optical pulses, that is, a programmable switching of the input optical digital signal by a sequence of acoustic pulses occurs. The experiment reported in this paper corresponds to the case of detuning of the wave vectors, but on the whole it supports the calculations In summary, this work demonstrates (experimentally and theoretically) the possibility of realizing an optoelectronic programmable switching of optical signals. Pis’ma Zh. Tekh. Fiz. 23, 88–95 (January 26, 1997)