一种按需单电子时间仓量子比特源
An On-Demand Single-Electron Time-Bin Qubit Source
摘要：
我们提出了一种能够按需发射单电子的源，其波包具有可控的形状和相位。该源由一个混合量子系统组成，依赖于目前实验上可获得的组件。我们详细分析了单电子时间仓量子比特的发射，我们使用著名的电子Hong-Ou-Mandel（HOM）干涉方案表征。具体来说，我们表明，通过控制两个时间仓量子位的相位差，泡利峰，电子模拟的众所周知的光学HOM下降，可以连续删除。所提出的源构成了一个有前途的方法，可扩展的固态架构的量子操作使用电子和可能的光子到电子的时间仓量子比特转换的接口。
英文摘要：
We propose a source capable of on-demand emission of single electrons with a wave packet of controllable shape and phase. The source consists of a hybrid quantum system, relying on currently experimentally accessible components. We analyze in detail the emission of single electron time-bin qubits, which we characterize using the well known electronic Hong-Ou-Mandel (HOM) interferometry scheme. Specifically, we show that, by controlling the phase difference of two time-bin qubits, the Pauli peak, the electronic analogue of the well known optical HOM dip, can be continuously removed. The proposed source constitutes a promising approach for scalable solid-state architectures for quantum operations using electrons and possibly for an interface for photon to electron time-bin qubit conversion.
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