Extended Data Fig. 4: Effective decay process via cavity coupling.
From: Quantum correlations of spontaneous two-photon emission from a quantum dot
(a) The full three-level system dynamics. The biexciton state (\(| XX\rangle \)) and exciton state (\(| Y\rangle \)) are coupled to the cavity mode via interaction strength g, with cavity losses denoted by κ. (b) The effective two-photon decay channel after applying the Schrieffer-Wolff transformation and adiabatic elimination. The cavity coupling leads to additional effective decay rates: the STPE rate γ2p, the effective rate from the biexciton to the exciton γXX and the effective rate from exciton to ground state γX. See Methods section for the derivation of the effective rates.
