Freiburg 2019 – scientific programme

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FM: Fall Meeting

FM 68: Plenary Talk: Silicon Based Quantum Computing

FM 68.1: Plenary Talk

Thursday, September 26, 2019, 08:30–09:30, Audi Max

Silicon Based Quantum Computing — •Michelle Simmons — Centre of Excellence for Quantum Computation and Communication Technology, School of Physics, University of New South Wales, Sydney NSW 2052 Australia

Down-scaling has been the leading paradigm of the semiconductor industry since the invention of the first transistor in 1947. However miniaturization will soon reach the ultimate limit, set by the discreteness of matter, leading to intensified research in alternative approaches for creating logic devices. One of the most exciting of these is quantum computation. We will present devices that address the ultimate limit of device miniaturization in silicon where we have patterned dopants in a crystalline environment with atomic precision to act as one dimensional leads, single electron transistors and control gates. During this talk I will focus on demonstrating fast, high fidelity single-shot spin read-out, ESR control of precisely-positioned P donors in Si and our recent results to demonstrating a two-qubit gate. We will discuss the benefits of donors as qubits and show our progress to achieving truly atomically precise devices in all three spatial dimensions.