Observation of Dicke Superradiance in Optically Pumped HF Gas

1973/02/19 by N. Skribanowitz, Irving P. Herman, J. C. MacGillivray +1 · 16 citations
Chemistry · Physics and Astronomy · #Spectroscopy and Laser Applications #Quantum optics and atomic interactions #Laser-Matter Interactions and Applications

paper · doi:10.1103/physrevlett.30.309

openalex publication_date 1973/02/19 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/29

Abstract

We have found that room-temperature HF gas at millitorr pressures, optically pumped to produce a total inversion at a rotational transition in the v=1 vibrational state, emits a superradiant pulse with ringing after a considerable delay (\ensuremath∼ microseconds). A semiclassical analysis shows that for a high-gain system the pulse evolution is determined by a single parameter \ensuremathτ_R, and that inhomogeneous broadening is unimportant. Close agreement between theory and experiment is obtained.

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• Irving P. Herman [wikipedia]
• Michael Stephen Feld [wikipedia]