Cooperative Light Emission in the Presence of Strong Inhomogeneous Broadening.
Phys Rev Lett
; 123(12): 123605, 2019 Sep 20.
Article
em En
| MEDLINE
| ID: mdl-31633973
ABSTRACT
We study photon emission by an ensemble of two-level systems, with strong inhomogeneous broadening and coupled to a cavity mode whose frequency has linear time dependence. The analysis shows that, regardless of the distribution of energy level splittings, a sharp phase transition occurs between the weak and strong cooperative emission phases near a critical photonic frequency sweeping rate. The associated scaling exponent is determined. We suggest that this phase transition can be observed in an ensemble of negatively charged NV^{-} centers in diamond interacting with a microwave half-wavelength cavity mode even in the regime of weak coupling and at strong disorder of two-level splittings.
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MEDLINE
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En
Ano de publicação:
2019
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Article