Backward echo in two-level systems

M. Fujita, H. Nakatsuka, H. Nakanishi, M. Matsuoka

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

The possible three-pulse echoes in two-level systems of solids and gases are discussed with particular emphasis on backward-wave echoes. One example of the backward echoes was realized with the atomic sodium D line. The detection of this echo requires neither optical shutters nor magnetic field. The decay rate of the echo due to Na-Ar collisions was measured. It is shown that the effect of velocity changing collisions is negligible compared with that of phase interrupting ones.

Original languageEnglish
Pages (from-to)974-977
Number of pages4
JournalPhysical Review Letters
Volume42
Issue number15
DOIs
Publication statusPublished - Jan 1 1979
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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