Supporting Information

The supplementary material contains (1) examples of evaluating the Lindblad equation, (2) a derivation of the transition cross section in terms of the off-diagonal density matrix elements, (3) a derivation of the steady-state relationships, (4) a derivation of the excitation rate constants used in rate equations models, (5) a detailed discussion of how intracavity powers are estimated, (6) a comparison between 1- and 2-DOF Doppler averaging with the Q-2C-3L-IS model, and (7) MATLAB functions of the Lindblad equations of motion for all models employed in this manuscript.