X Wu,J L Long,H S Ku et al.
X Wu et al.
Fabrication of sub-micron Josephson junctions is demonstrated using standard processing techniques for high-coherence, superconducting qubits. These junctions are made in two separate lithography steps with normal-angle evaporation. Most si...
Controlling the thermal conductance of silicon nitride membranes at 100 mK temperatures with patterned metal features [0.03%]
使用图案化的金属特征控制硅氮化物膜在100毫开尔文温度下的热导率
X Zhang,S M Duff,G C Hilton et al.
X Zhang et al.
Freestanding micromachined membranes are often used for thermal isolation in electronic devices such as photon sensors. The degree of thermal isolation plays an important role in determining device performance, and so the ability to suppres...
Mustafa Bal,Junling Long,Ruichen Zhao et al.
Mustafa Bal et al.
Due to their unique properties as lossless, nonlinear circuit elements, Josephson junctions lie at the heart of superconducting quantum information processing. Previously, we demonstrated a two-layer, submicrometer-scale overlap junction fa...
Prabodh K Pandey,Gilberto Gonzalez,Kristina Bjegovic et al.
Prabodh K Pandey et al.
We propose protoacoustic radiography (PAR), an imaging modality combining proton excitation and acoustic detection for three-dimensional (3D) imaging from a single proton projection. PAR avoids the effect of multiple Coulomb scattering in i...
Non-contact electroacoustic tomography with optical interferometer for electroporation therapy monitoring [0.03%]
基于光学干涉仪的非接触式电声断层成像技术在电穿孔治疗监测中的应用研究
Yifei Xu,Yuchen Song,Leshan Sun et al.
Yifei Xu et al.
Electroacoustic imaging is an imaging modality used to detect electric field energy distribution during electroporation, offering valuable guidance for clinical procedures, particularly in deep tissues. Traditionally, single-element piezoel...
Measuring the permittivity of fused silica with planar on-wafer structures up to 325 GHz [0.03%]
利用平面片上结构在325GHz以下频段测量熔石英的介电常数
Florian Bergmann,Nicholas R Jungwirth,Bryan T Bosworth et al.
Florian Bergmann et al.
Fused silica has become an interesting alternative to silicon for millimeter-wave (mmWave) applications. Unfortunately, there are a few reports on the measurement of fused silica's permittivity above 110 GHz that use electrical rather than ...
Comparison of measured and simulated spin-wave mode spectra of magnetic nanostructures [0.03%]
磁纳米结构中测量和模拟的自旋波模式谱的比较
H T Nembach,R D McMichael,M L Schneider et al.
H T Nembach et al.
Motivated by the importance of magnetization dynamics in nanomagnets for the development and optimization of magnetic devices and sensors, we measured and modeled spin wave spectra in patterned elliptical nanomagnets. Ferromagnetic resonanc...
Reduction of light shifts in Ramsey spectroscopy with a combined error signal [0.03%]
结合误差信号降低拉姆齐谱学中的光频移
M Shuker,J W Pollock,R Boudot et al.
M Shuker et al.
Light-induced frequency shifts can be a key limiting contribution to the mid- and long-term frequency instabilities in atomic clocks. In this letter, we demonstrate the experimental implementation of the combined error signal interrogation ...
John D Elgin,Thomas P Heavner,John Kitching et al.
John D Elgin et al.
We present results from an atomic clock that employs a beam of cold 87Rb atoms and spatially separated (Ramsey) coherent population trapping interrogation of the hyperfine clock transition at 6.834 GHz. The cold atomic beam is generated thr...
S P Benz,J Biesecker,C J Burroughs et al.
S P Benz et al.
The performance of programmable voltage signals that exploit the quantum behavior of superconducting Josephson junctions continues to improve and enhance measurements in metrology, communications, and quantum control. We review advances in ...