On-Demand Microwave Generator of Shaped Single Photons

被引：51
|
作者：
Forn-Diaz, P. [1 ,2 ,3 ,4 ]
Warren, C. W. [1 ,2 ]
Chang, C. W. S. [1 ,2 ]
Vadiraj, A. M. [1 ,2 ]
Wilson, C. M. [1 ,2 ]
机构：
[1] Univ Waterloo, Inst Quantum Comp, 200 Univ Ave West, Waterloo, ON N2L 3G1, Canada
[2] Univ Waterloo, Dept Elect & Comp Engn, 200 Univ Ave West, Waterloo, ON N2L 3G1, Canada
[3] Univ Politecn Cataluna, Escola Tecn Super Engn Ind Barcelona, ES-08034 Barcelona, Spain
[4] BSC, Carrer Jordi Girona 29, Barcelona 08034, Spain
来源：
PHYSICAL REVIEW APPLIED | 2017年 / 8卷 / 05期
基金：
加拿大自然科学与工程研究理事会; 加拿大创新基金会;
关键词：
QUANTUM; ENTANGLEMENT; ELECTRON;
D O I：
10.1103/PhysRevApplied.8.054015
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We demonstrate the full functionality of a circuit that generates single microwave photons on demand, with a wave packet that can be modulated with a near-arbitrary shape. We achieve such a high tunability by coupling a superconducting qubit near the end of a semi-infinite transmission line. A dc superconducting quantum interference device shunts the line to ground and is employed to modify the spatial dependence of the electromagnetic mode structure in the transmission line. This control allows us to couple and decouple the qubit from the line, shaping its emission rate on fast time scales. Our decoupling scheme is applicable to all types of superconducting qubits and other solid-state systems and can be generalized to multiple qubits as well as to resonators.
引用
收藏
页数：9
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