From 357568e1fb77afed9dfa203e62da237bf7ce51b3 Mon Sep 17 00:00:00 2001 From: Blaise Thompson Date: Mon, 9 Apr 2018 00:24:18 -0500 Subject: 2018-04-09 00:24 --- PbSe_global_analysis/conclusion.tex | 7 +++++++ 1 file changed, 7 insertions(+) create mode 100644 PbSe_global_analysis/conclusion.tex (limited to 'PbSe_global_analysis/conclusion.tex') diff --git a/PbSe_global_analysis/conclusion.tex b/PbSe_global_analysis/conclusion.tex new file mode 100644 index 0000000..e7491d1 --- /dev/null +++ b/PbSe_global_analysis/conclusion.tex @@ -0,0 +1,7 @@ +By combining TA and TG measurements, we have described the complex third-order, 2D susceptibility of the 1S resonance of PbSe quantum dots. +We have demonstrated a parameter extraction procedure that is reproducible for different quantum dot samples, and that some of the parameters, such as the pure dephasing time, are batch dependent. +Inhomogeneity, exciton-induced broadening, exciton-exciton coulombic coupling shifts, and intraband absorption are all required to reconcile both datasets. +TA features about 1S exciton band are not exclusively assigned as 1S transitions, which can have important consequences for interpreting the evolution of the 1S bleach. + +While the TA spectra show prominent 1S-resonant features, the intraband absorption and its associated refractive index signature are most visible in the TG dataset, so that disentangling the 1S resonant response and the broadband response is a more well-defined problem when both datasets are used together. +This approach is thus useful for characterization of non-linear signals in spectrally congested systems. -- cgit v1.2.3