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Optics Communications

Level-crossing effects and spin-dependent decay of circularly polarized photon echoes in ruby

Alvin D Compaan, L.Q. Lambert, Isaac D. Abella

Published Jun 1, 1971• 11 citations
Publisher
DOI
10.1016/0030-4018(71)90011-3

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Short-Time-Interval Behavior of Photon Echoes in Ruby near Level Crossings

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The behavior of photon echoes near level anticrossings is described in terms of the magnetic-field-dependent mixing parameters. The general features of level-crossing behavior are obscured for most cases in dilute ruby and are dominated instead by strong spin-dependent decay resulting from Cr-Al interactions. However, new experiments at short time separation ($\ensuremath{\tau}=32$ nsec) between pulses have permitted observation of the predicted photon-echo anticrossing signals in ruby, and may be applied to other atomic systems.

Physical Review A•Sep 1, 1973•3 citations
The behavior of photon echoes near level anticrossings is described in terms of the magnetic-field-dependent mixing parameters. The general features of level-crossing behavior are obscured for most cases in dilute ruby and are dominated instead by strong spin-dependent decay resulting from Cr-Al interactions. However, new experiments at short time separation ($\ensuremath{\tau}=32$ nsec) between pulses have permitted observation of the predicted photon-echo anticrossing signals in ruby, and may be applied to other atomic systems.