Abstract

An optical three-pulse stimulated echo signal is analyzed theoretically and numerically for three pulses of arbitrary shape in a medium having hyperfine structures in the ground and excited states. The feasibility of its use as an optical fast-memory device is emphasized. Numerical analysis shows that the fidelity of the memory is reasonably good as long as the storage time T is short compared with the excited-state lifetime T₁. However, the echo suffers severe modulation because of the hyperfine structures when T exceeds T₁.

© 1986 Optical Society of America

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