daniel

Daniel Loss

Team Leader, Semiconductor Quantum Information Device Theory Research Team

Outline

We work on the theory of a spin-based quantum computer. We design its CMOS-compatible components deriving from Si and Ge gated quantum dots. We focus on spin qubits that can be manipulated by electric fields through various spin-orbit interactions. Using advanced bandstructure models, we investigate the properties of holes and electrons confined in low-dimensional geometries. We search for optimal setups and ways of protecting the qubits from noise. We analyze perspective qubit interconnects which would allow assembling a large number of qubits into networks. Our ultimate goal is to identify fast, small, and scalable elements of the future quantum computer.

Research Theme

・Quantum dots and qubits
・Spin-based quantum information science
・Spin-orbit interaction

Representative Research Results

・ D. Loss and D. DiVincenzo: “Quantum computation with quantum dots”, Phys. Rev. A 57, 120
(1998)

・ Khaetskii, Loss, Glazman: “Electron spin decoherence in quantum dots due to interaction with
nuclei”, Physical review letters 88 (18), 186802 (2002)

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Loss, DiVincenzo, “Quantum computation with
quantum dots,, PRA 57, 120 (1998)




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Camenzind et al., “Electron spin relaxation due to
nuclei”, Nat. Commun. 9,3454 (2018)

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