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Proceedings Paper

Molecular engineering with artificial atoms: designing a material platform for scalable quantum spintronics and photonics
Author(s): Matthew F. Doty; Xiangyu Ma; Joshua M. O. Zide; Garnett W. Bryant
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Paper Abstract

Self-assembled InAs Quantum Dots (QDs) are often called “artificial atoms" and have long been of interest as components of quantum photonic and spintronic devices. Although there has been substantial progress in demonstrating optical control of both single spins confined to a single QD and entanglement between two separated QDs, the path toward scalable quantum photonic devices based on spins remains challenging. Quantum Dot Molecules, which consist of two closely-spaced InAs QDs, have unique properties that can be engineered with the solid state analog of molecular engineering in which the composition, size, and location of both the QDs and the intervening barrier are controlled during growth. Moreover, applied electric, magnetic, and optical fields can be used to modulate, in situ, both the spin and optical properties of the molecular states. We describe how the unique photonic properties of engineered Quantum Dot Molecules can be leveraged to overcome long-standing challenges to the creation of scalable quantum devices that manipulate single spins via photonics.

Paper Details

Date Published: 7 September 2017
PDF: 10 pages
Proc. SPIE 10357, Spintronics X, 1035739 (7 September 2017); doi: 10.1117/12.2275435
Show Author Affiliations
Matthew F. Doty, Univ. of Delaware (United States)
Xiangyu Ma, Univ. of Delaware (United States)
Joshua M. O. Zide, Univ. of Delaware (United States)
Garnett W. Bryant, National Institute of Standards and Technology (United States)


Published in SPIE Proceedings Vol. 10357:
Spintronics X
Henri-Jean Drouhin; Jean-Eric Wegrowe; Manijeh Razeghi; Henri Jaffrès, Editor(s)

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