Important applications in optical information storage and processing based on photon echo have been developed.An accurate and effective numerical method to solve the Maxwell-Bloch equations that are used to describe the optical pulse propagation and interaction with inhomogeneously broadened two-level medium will be introduced. Two-pulse photon echo is calculated then photon echo and multiple-pulse photon echoes are stimulated in optical thin (thick) media by using the method

and the physical properties of those echoes are analyzed. The results show that the approach to storage and retrieval of light using multiple-pulse photon echoes based on stimulated photon echo is an effective mode.