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Direct THz field driven electro-absorption modulation in heterostructure quantum dots

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Abstract

We report on electro-absorption switching in colloidal CdSe/CdS core/shell quantum dots, gated by intense THz pulses, without field enhancing structures, and suggest a route to optimize electro-absorption modulators with respect to the energy band alignment of the heterostructure material.

© 2022 The Author(s)

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