Strain Tuning Individual Quantum Dot Emission Frequencies with Local Phase Transitions
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United States of America
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May 24, 2019
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May 24, 2019
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Abstract
A technique is described to deterministically tune the emission frequency of individual semiconductor photon sources, for example quantum dots. A focused laser is directed at a film of material that changes form when heated (for example, a phase change material that undergoes change between crystal and amorphous forms) overlaid on a photonic membrane that includes the photon sources. The laser causes a localized change in form in the film, resulting in a change in emission frequency of a photon source.
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