Papers › Pulse area theorem in a single mode waveguide and its application to photon echo and...
Pulse area theorem in a single mode waveguide and its application to photon echo and optical memory in Tm3+:Y3Al5O12
S. A. Moiseev, M. M. Minnegaliev, E. S. Moiseev, K. I. Gerasimov, A. V. Pavlov, T. A. Rupasov, N. N. Skryabin, A. A. Kalinkin, S. P. Kulik
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We derive the area theorem for light pulses interacting with inhomogeneously broadened ensemble of two-level atoms in a single-mode optical waveguide and present its analytical solution for Gaussian-type modes, which demonstrates the significant difference from the formation of 2π pulses by plane waves. We generalize this theorem to the description of photon echo and apply it to the two-pulse (primary) echo and the revival of silenced echo (ROSE) protocol of photon echo quantum memory. For the first time, we implemented ROSE protocol in a single-mode laser-written waveguide made of an optically thin crystal Tm³⁺:Y₃Al₅O₁₂. The experimental data obtained are satisfactorily explained by the developed theory. Finally, we discuss the obtained experimental results and possible applications of the derived pulse area approach.
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