Three-level photon echo for quasi-degenerated Levels

T. Ahmadi, S.A. Pulkin, V. Sheftsov

Research output


Quantum optical data storage is a key element in quantum information processing. However, most modified photon echoes protocols are still limited by lack of resonance signal to explain time scales of different systems. In this paper, we studied three-pulse photon-echo system by using density matrix in Λ-scheme. It will be shown that the time position of three-pulse echo signals is proportional to ratio of detuning frequencies from the resonance frequencies of transitions in a non-uniform distribution. In the last part of paper, you can see the importance effect of frequency distance between two degenerate levels (d) on the delay time of signal. © 2014 IEEE.
Original languageEnglish
Title of host publicationProceedings - 2014 International Conference Laser Optics, LO 2014
Publication statusPublished - 2014

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