Abstract
Persistent photon echoes (revivals) are seen for a large number () of two-level molecules (TLMs) prepared initially in the all-down state interacting in a lossless cavity with a photon distribution with a small mean photon number. This case has not been addressed previously revealing characteristic times proportional to the square root of . Unexpectedly, this behavior is independent of the initial photon distribution (including thermal) and long after the initial echoes die out, they re-emerge completely. Entropy, disentanglement and the function are considered with complete disentanglement only occurring at the revival times. Comparison is made to established results.
© 2017 Optical Society of America
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