Physical Review Letters · 1967 · 36 citations · 4 references
Natural SciencesPhysicsMolecular PhysicsOpticsSpectroscopyAtomic TransitionsEmission SpectroscopyFluorescence SpectroscopyLaser PhysicsMolecular Excited StatesNonlinear OpticsCascade ProcessesElectron Correlation EffectsIntensity FluctuationsSpontaneous EmissionStimulated Emission
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