ONLINE Halbleiter zum Frühstück - Control of quantum coherence and entanglement for implementing high-fidelity quantum operations with quantum dots

Online seminar
Date:
Mo, 07.03.2022 10:00  –   Mo, 07.03.2022 11:00
Sprecher:
Seigo Tarucha, RIKEN, Japan
Adresse:
Online


Language:
English
Contact person:
Doris Reiter, Michael Lorke, ,
DPG Association:
Semiconductor Physics (HL)  
External Link:
Zoom Link, PW: HzF3

Description

Silicon is a promising platform for making spin qubits in quantum dots, because the qubits are capable of a long intrinsic decoherence time (> msec), a high temperature operation (> K), and compatibility with industrial technology. Taking these advantages high-fidelity quantum operations have been achieved and industrial approaches have been employed to scale up the qubit system. This talk describes the key resources for the quantum operations, i.e. quantum coherence and entanglement in silicon to implement the quantum gates [1], quantum non-demolition measurement [2] and error correction [3], and in addition applications of industrial technology for the qubit scale-up.

References

[1] J. Yoneda, K. Takeda, A. Noiri, T. Nakajima, S. Li, J. Kamioka, T. Kodera, and S. Tarucha, Nature Commun. 11, 1144 (2020)

[2] A. Noiri, K. Takeda, T. Nakajima, T. Kobayashi, A. Sammak, G. Scappucci, and S. Tarucha,, Nature 601, 338 (2021)

[3] K. Takeda, A. Noiri, T. Nakajima, J. Yoneda, T. Kobayashi, and S. Tarucha, arXiv:2201.08581