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. Author manuscript; available in PMC: 2015 Jan 2.
Published in final edited form as: J Phys Chem Lett. 2014 Jan 2;5(1):196–204. doi: 10.1021/jz402336t

Figure 1.

Figure 1

a) We illustrate the QD states and their corresponding exciton transitions probed in this experiment. The first four hole states and first two electron states become the first four dipole allowed transitions. b) Absorption spectrum for zinc-blende CdSe quantum dots, fit to a five-Gaussian function, plotted alongside the laser pulse spectrum. We emphasize the three lowest energy transitions, for which we plot the approximate inhomogeneous linewidths given by equation 2. The 1S states (|X1>and |X2>) show some overlap, with separation from the 1P (|X3>) state. The inhomogeneous linewidth is not centered over the transition, due to the skewed Gaussian described by equation 1.