Аннотация:The paper presents a brief overview on investigations of feedback acousto-optic systems proposed and
worked out at Lomonosov Moscow State University. It includes the following issues: dynamic regimes in
acousto-optic systems with amplitude and frequency feedback; multi-stability in acousto-optic systems with feedback; optical beam intensity and propagation direction stabilization; acousto-optic filters with feedback; acousto-optic generators based on the effect of optical heterodyning, and some others.