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Figure 3 | Nanoscale Research Letters

Figure 3

From: Experimental methods of post-growth tuning of the excitonic fine structure splitting in semiconductor quantum dots

Figure 3

Cross sections of four different QDs. (a) Circularly shaped cross section, considered to have a perfect symmetry, i.e., zero FSS. (b) Elliptically shaped cross section. (c) Same as presented in (b), but with a tilted orientation direction. (d) Cross section of arbitrary shape. The black arrows in (b), (c) and (d) indicate the direction of a unidirectional tuning technique.

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