Use this fitting method to decide whether cascades are D/I/A. Then use these results to back up the theory of GJ of the hot trion system. Simply re-write the section by GJ in the formalism of the master equation, the advantages of this is essentially we are building the model backwards, from the data first, which is a more purely scientific approach. We accept the fact that we are not able to fit parameters, we either state the fact or not.

Many peaks QDs exhibit entanglement. This spectrum is systematic eacross the sample. We now carefully examine one QD, and do a wide range of measurements on it. We carefully define a formalism for examining the correlation curves. We apply this formalism to the data, which then allows to build a master equation model of the states in the QD fine structure.

Deriving g2. Observing the 3 different kinds of g2 exist. Direct, Indirect, Antidirect.

Indirect: after photon 1, in state x. need state y for photon 2. if the probability of going from x->y is greater than the equil prob of being in y, then the (cascade) would be indirect.

Measurement time - sigma. Nice convulted g2 function to fit and for parameter extraction.

focus on this --> ( four types of curves pre-conv - Direct, antidirect, fast indirect, slow indirect.

three types of curves post-conv - Direct, antidirect, indirect because fast indirect is indistinguishable from direct.

)

show the spectrum, the lifetimes and the corr curves. Fit g2 to the corr curves. Talk about choosing which i D/A/I or whether is ambigious between D/I.

Building on the characterisation of the curves in the previous section and introduction assumptions about the QD system (like 4-5 being XX-X, with FSS, power dep etc). From this build up model of fine structure of the XX+ QD.