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(a) Scanning electron microscope image of a from sample 2. (b) PL spectra taken from several diameter along the cavity wedge under nonresonant excitation at in sample 1. In the two lowest curves, exciton emission, stronger than other PL peaks was omitted for clarity. The dotted lines are guides to the eye showing the PL peaks. (c) Peak energies as a function of the position: experimental (black symbols) and simulated (gray lines).
(a) , , , , and (b) and from a diameter of sample 2 as a function of . (c) PL spectrum on the same than (a) and (b) under nonresonant excitation at .
Emission spectra from a diameter of sample 2 under excitation resonant to at . Inset: Integrated PL intensities of (round dots) and (open square dots). The dashed line is parallel to .
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