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Timing quantum emission: coherence, superradiance, and entanglement in order
Nur Fadhillah Binti Rahimi, Norman Koo Tze Wei, Daniel Schumayer, Christopher Gies, Leong Chuan Kwek, David. A. W. Hutchinson·December 8, 2025
Quantum Physics
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Abstract
We investigate the short-term temporal dynamics of superradiance in closely spaced quantum emitters. Building on Dicke's 1954 framework, we analyze the sequential emergence of coherence, superradiance, and entanglement, revealing a distinct temporal hierarchy in their extremal values: relative coherence develops first, followed by the peak of correlated emission, then minimal entanglement, and finally correlated dephasing. These findings suggest that enhanced relative coherence initiates correlated emission and when correlated dephasing is negligible, entanglement and correlated emission become tightly linked in time.