I understand that the life time of an excited state is modified due to stimulated emission, we can measure that using standard TCSPC technique. What i want is to compare the modified spontaneous emission rate due to purcell effect (for QDs with life time ~ 1- 10 ns the purcell factor (t_0/t_modified) ~ 75) with the modification due to stimulated emission in the case of QDs.
Stephan Philips
The lifetime will be mainly dependent on the amplitude backscattered electric field. For a cavity you can describe this indeed with Purcell factor. But the classical interpretation has not really to do with simulated emission, I think the main idea is that the backscattered field will drive your dipole and cause therefore a shorter lifetime.
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