Discrimination of quantum dots using an optically created nuclear field
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We investigated an optically created nuclear field in a single InAlAs quantum dot and demonstratedthat the nuclear field can be used to discriminate whether photoluminescence lines originate fromthe same dot or a different dot. Since the nonlinear response of the nuclear field is sensitive to theelectron g factor and correlation time of a coupled electron-nuclear spin system, the resultantOverhauser shift is their good measure for individual quantum dots. This method provides a simpleand convenient alternative to the standard photon cross-correlation method.
- American Institute of Physicsの論文
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