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Coherent Spin Preparation of Indium Donor Qubits in Single ZnO Nanowires by Viitaniemi, Maria L. K.; Zimmermann, Christian; Niaouris, Vasileios; D'Ambrosia, Samuel H.; Wang, Xingyi; Kumar, E. Senthil; Mohammadbeigi, Faezeh; Watkins, Simon P.; Fu, Kai-Mei C. is a scholarly article available to read on EtoBox.

What is Coherent Spin Preparation of Indium Donor Qubits in Single ZnO Nanowires about?

Shallow donors in ZnO are promising candidates for photon-mediated quantum technologies. Utilizing the indium donor, we show that favorable donor-bound exciton optical and electron spin properties are retained in isolated ZnO nanowires. The inhomogeneous optical linewidth of single nanowires (60 GHz) is within a factor of 2 of bulk single-crystalline ZnO. Spin initialization via optical pumping is demonstrated and coherent population trapping is observed. The two-photon absorption width approaches the theoretical limit expected due to the hyperfine interaction between the indium nuclear spin and the donor-bound electron.

Author

Viitaniemi, Maria L. K.; Zimmermann, Christian; Niaouris, Vasileios; D'Ambrosia, Samuel H.; Wang, Xingyi; Kumar, E. Senthil; Mohammadbeigi, Faezeh; Watkins, Simon P.; Fu, Kai-Mei C.

Published

2021

Language

EN