Multiplexed Quantum Integrated Circuits

量子器件的低温多路复用器允许相互作用的低维系统中量子输运的竞争理论进行实验测试，并且由于可以同时测试大量器件，因此可以使用量子纳米器件物理发现的统计方法。我们在二维电子气中诱导了超导性，并正在寻找马约拉纳费米子。在这个项目中，我们希望在几个方面进行，都使用分裂栅极晶体管的集成电路，探索新物理，新技术和新电子学。该项目将得到补充（通过其他当地项目和其他使用我们设施的人的投入），以便在未来三年内继续研究以下大部分主题：（*=该项目的核心部分）1.千兆赫多路复用器 * 2。超导/半导体集成电路，包括拓扑绝缘体材料使用多路复用器寻址 * 3。纳米线集成电路耦合到超导体，用于研究马约拉纳模式的鲁棒性，并探索它们是否可以可靠地用于量子技术 * 4。通过每个栅极5上的特定电荷存储的独立偏置。纳米级多路复用器6.微米级的电压摄像机电路7.具有感应2DEG的多路复用器可减少波动 * 8。量子点中的单电子泵浦并联，为电流标准提供高电流高精度泵浦 * 9。为外部用户设置设施 *

The low-temperature multiplexer for quantum devices has allowed competing theories regarding quantum transport in interacting low-dimensional systems to be tested against experiment and because of the large numbers of devices that can be tested at once, a statistical approach to quantum nano-device physics discovery can be used. We induced superconductivity in two-dimensional electron gases and are searching for Majorana fermions. In this project, we want to proceed on several fronts, all using integrated circuits of split-gate transistors, to explore new physics, new technology and new electronics. This project will be supplemented (by other local projects and by the input from others using our facilities) so that most of the following topics will be pursued over the next three years: (* = core part of this project)1. A gigahertz multiplexer*2. Superconducting/semiconducting integrated circuits including topological insulator material addressed using the multiplexer*3. Nanowire integrated circuits coupled to superconductors for investigating how robust Majorana modes are and exploring whether they could be reliably used for quantum technology*4. Independent biasing through specific charge storage on each gate 5. Nanoscale multiplexer 6. A voltage camera circuit on the micron-scale7. Multiplexers with induced 2DEGs to reduce fluctuations* 8. Single electron pumping in quantum dots in parallel to provide high current high accuracy pumps for a current standard*9. Setting up a facility for external users*