期刊
ANNALEN DER PHYSIK
卷 533, 期 2, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/andp.202000254
关键词
electron− light interactions; femtosecond lasers; free‐ electron physics; quantum information; qubits
资金
- Israel Science Foundation (ISF) [830/19]
- ERC Starting Grant from the European Research Council [NanoEP 851780]
The study explores the quantization of free electrons and control of quantum information carriers using laser-driven nearfield interactions, demonstrating the creation of a qubit on a free electron and implementation of its noncommutative spin algebra. It shows that control and measurement of qubit states can be achieved within the current capabilities of ultrafast transmission electron microscopes.
Free-electron interactions with laser-driven nearfields can quantize the electrons' energy spectrum and provide control over this quantized degree of freedom. The study proposes to use such interactions to promote free electrons as carriers of quantum information and show how to create a qubit on a free electron, which holds promise for applications in electron microscopy and spectroscopy. A method to implement the qubit's noncommutative spin algebra, and to control and measure the qubit state with a universal set of 1-qubit gates is shown. These gates are within the current capabilities of ultrafast transmission electron microscopes. Laser-driven free-electron qubits promise configurability by the laser intensity, frequency, and polarizability, simultaneously with high-resolution temporal control on femtosecond timescales.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据