Superradiance of non-Dicke states

Abstract

In 1954, Dicke predicted that a system of quantum emitters confined to a subwavelength volume would produce a superradiant burst. For such a burst to occur, the emitters must be in the special Dicke state with zero dipole moment. We show that a superradiant burst may also arise for non-Dicke initial states with nonzero dipole moment. Both for Dicke and non-Dicke initial states, superradiance arises due to a decrease in the dispersion of the quantum phase of the emitter state. For non-Dicke states, the quantum phase is related to the phase of long-period envelopes which modulate the oscillations of the dipole moments. A decrease in dispersion of the quantum phase causes a decrease in the dispersion of envelope phases that results in constructive interference of the envelopes and the superradiant burst.

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Cited by in corpus (6)

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• Single photon superradiant decay of cyclotron resonance in a p-type single-crystal semiconductor film with a cubic structure
• Superradiance from non-ideal initial states -- a quantum trajectory approach
• Collectively Driven Optical Nanoantennas
• Relative-belief inference in quantum information theory