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Quantum Readout Measurement Hardware Spin Qubits Silicon Quantum Computing

SPIN-POLARIZED PHOTOCURRENT THROUGH QUANTUM DOT PHOTODETECTOR

DOAJ
Authors: Nguyen Van Hieu, Nguyen Bich Ha

Year

2017

Paper ID

651

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

103

Citations

0

Abstract

The theory of the photocurrent through the photodetector based on a two-level semiconductor quantum dot (QD) is presented. The analytical expressions of the matrix elements of the electronic transitions generated by the absorption of the circularly polarized photons are derived in the lowest order of the perturbation theory with respect to the electron tunneling interaction as well as the electron-photon interaction. From these expressions the mechanism of the generation of the spin-polarized of electrons in the photocurrent is evident. It follows that the photodetector based on the two-level semiconductor QD can be used as the model of a source of highly spinpolarized electrons.

Why This Paper Matters

  • This paper contributes to the Spin Qubits & Silicon Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2017 reference point for readers tracking recent quantum research.
  • The theory of the photocurrent through the photodetector based on a two-level semiconductor quantum dot (QD) is presented.

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References & Citation Signals

[1] DOI https://doi.org/10.29037/ajstd.185 [2] Publisher http://www.ajstd.org/index.php/ajstd/article/view/185

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Current Paper #651

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