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(Color online) Optical microscope PL images of a 510 nm sample. Excitation frequencies are 365 and 405 nm for (a) and (b), respectively. Image is .
(Color online) A blinking ILC is circled in the two figures (a) and (b) taken about 1 s apart. Sample is a 510nm SQW. Image is .
Example of the optical instability time evolution; (a) shows a telegraphic tendency of the profile while (b) shows a more chaotic behavior.
(Color online) The distribution of permanence times plotted in logarithmic scale. The dotted line shows a pure single exponential phenomenon.
(Color online) The photoluminescence time profile and the corresponding peak position. The two bands represent the on and off optical states discussed.
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