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Search Publications

NIST Authors in Bold

Displaying 451 - 475 of 143537

Emerging integrated laser technologies in the visible and short near-infrared

October 18, 2024
Author(s)
Xiyuan Lu, Lin Chang, Minh Tran, Tin Komljenovic, John Bowers, Kartik Srinivasan
Applications in timekeeping, quantum sensing and quantum computing have sparked growing demand for high-performance photonic integrated circuit (PIC) lasers at visible and short near-infrared wavelengths between 400 nm and 1,000 nm. This Review summarizes

Parallel 3D Temperature Image Reconstruction Using Multi-Color Magnetic Particle Imaging (MPI)

October 18, 2024
Author(s)
Klaus Natorf Quelhas, Mark-Alexander Henn, Ricardo Cordeiro de Farias, Weston L. Tew, Solomon I. Woods
Magnetic Particle Imaging (MPI) is a novel technique developed for remotely detecting magnetic nanoparticle (MNP) tracers, with great potential for biomedical imaging (as an alternative to traditional methods like MRI or CT), cell tracking, targeted drug

Long-lived topological time-crystalline order on a quantum processor

October 17, 2024
Author(s)
Liang Xiang, Wenjie Jiang, Zehang Bao, Zixuan Song, Shibo Xu, Ke Wang, Jiachen Chen, Feitong Jin, Xuhao Zhu, Zitian Zhu, Fanhao Shen, Ning Wang, Chuanyu Zhang, Yaozu Wu, Yiren Zou, Jiarun Zhong, Zhengyi Cui, Aosai Zhang, Ziqi Tan, Tingting Li, Yu Gao, Jinfeng Deng, Xu Zhang, Hang Dong, Pengfei Zhang, Si Jiang, Weikang Li, Zhide Lu, Zheng-Zhi Sun, Hekang Li, Zhen Wang, Chao Song, Alexey Gorshkov, Norman Yao, Thomas Iadecola, Fangli Liu, Zhexuan Gong, Francisco Machado, Qiujiang Guo, H. Wang, Dong-Ling Deng

Overhead-Free People Counting in mmWave Network Using IEEE 802.11bf Passive Sensing

October 17, 2024
Author(s)
Tanguy Ropitault, Anirudha Sahoo, Steve Blandino, Nada Golmie
Accurately assessing the number of people in a room is essential for enhancing operational efficiency, safety, and sustainability, enabling applications such as smart building management, energy conservation, and emergency evacuation planning. Wi-Fi

Spectroscopy of photoionization from the 1E singlet state in nitrogen-vacancy centers in diamond

October 17, 2024
Author(s)
Sean Blakley, Thuc Mai, Stephen Moxim, Jason Ryan, Adam Biacchi, Angela Hight Walker, Robert McMichael
The 1E—1A1 singlet manifold of the negatively charged nitrogen vacancy (NV −) center in diamond plays a central role in the quantum information and quantum sensing applications of the NV − center. However, the energy of this manifold within the diamond

Three-dimensional, multi-wavelength beam formation with integrated metasurface optics for Sr laser c

October 17, 2024
Author(s)
Sindhu Jammi, Andrew Ferdinand, Zheng Luo, Zachary Newman, Grisha Spektor, Junyeob Song, Okan Koksal, William Lunden, Daniel Sheredy, Parth Patel, Martin Boyd, Wenqi Zhu, Amit Agrawal, Travis Briles, Scott Papp
We demonstrate formation of a complex, multi-wavelength, three-dimensional laser beam configuration with integrated metasurface optics. Our experiments support development of a compact Sr optical-lattice clock, which leverages magnetooptical trapping on

Clock synchronization characterization of the Washington DC metropolitan quantum network (DC-QNet)

October 16, 2024
Author(s)
Wayne McKenzie, Anne Marie Richards, Shirali Patel, Thomas Gerrits, T. G., Steven Peil, Adam Black, David Tulchinsky, Alexander Hastings, YaShian Li-Baboud, Anouar Rahmouni, Paulina Kuo, Alan Mink, Ivan Burenkov, Yicheng Shi, Matthew Diaz, Nijil Lal Cheriya Koyyottummal, Mheni Merzouki, Pranish Shrestha, Alejandro Rodriguez Perez, Eleanya Onuma, Daniel Jones, Atiyya Davis, Thomas A. Searles, J.D. Whalen, Kate Collins, Qudsia Quraishi, La Vida Cooper, Harry Shaw, Bruce Crabill, Oliver Slattery, Abdella Battou
Quantum networking protocols relying on interference and precise time-of-flight measurements require high-precision clock synchronization. This study describes the design, implementation, and characterization of two optical time transfer methods in a

Color-map recommendation for MR relaxometry maps

October 16, 2024
Author(s)
Miha Fuderer, Fabio Crameri, Nandita deSouza, Bettina Baessler, Vikas Gulani, Meiyun Wang, Ruud de Boer, Matt Cashmore, Wolter de Graaf, Kathryn Keenan, Dan Ma, Carolin Pirkl, Nico Sollmann, Sebastian Weingartner, Stefano Mandija, Xavier Golay

Comparison of Three Methods for Oscillating Flow Measurements in Cryocoolers

October 16, 2024
Author(s)
Ryan Snodgrass, Vincent Kotsubo, Joel Ullom
Measurement of oscillating mass flows is typically required for the study of cryocoolers and cryocooler compressors. Although many measurement techniques are used in the cryocooler literature, detailed comparisons are lacking, so it can be challenging for

Development of a Forensic DNA Research Grade Test Material

October 16, 2024
Author(s)
Erica Romsos, Lisa Borsuk, Carolyn Steffen, Sarah Riman, Kevin Kiesler, Peter Vallone
Advancements in forensic DNA typing technology and methods have resulted in increased sensitivity and, while beneficial, carry the weight of more challenging profile interpretation. In response, the forensic DNA community has often requested more complex

Reflection of its Creators: Qualitative Analysis of General Public and Expert Perceptions of Artificial Intelligence

October 16, 2024
Author(s)
Theodore Jensen, Mary Frances Theofanos, Kristen K. Greene, Olivia Williams, Kurtis Goad, Janet Bih Fofang
The increasing prevalence of artificial intelligence (AI) will likely lead to new interactions and impacts for the general public. An understanding of people's perceptions of AI can be leveraged to design and deploy AI systems toward human needs and values

Service Mesh Proxy Models for Cloud-Native Applications

October 16, 2024
Author(s)
Ramaswamy Chandramouli, Zack Butcher, James Callaghan
The service mesh has become the de facto application services infrastructure for cloud-native applications. It enables the various runtime functions of an application through proxies that form the data plane of the service mesh. Depending on the

Site selection and effects of background towers on urban CO2 estimates: A case study from central downtown Zhengzhou in China

October 16, 2024
Author(s)
Ge Ren, Kailun Du, Shiqi Zhao, Anna Karion, Israel Lopez Coto, Xiaoning Wang, James Whetstone, Hong Lin
With China's proposed carbon reduction goals, many carbon monitoring pilot city projects have been launched, involving greenhouse gas (GHG) estimation inversion analysis based on GHG observations. For the evaluation of emissions estimates in a targeted

Per- and Polyfluoroalkyl Substances - Non-Targeted Analysis Interlaboratory Study Final Report

October 15, 2024
Author(s)
Benjamin Place, Jessica Reiner, Jared Ragland, Alix Rodowa, Carolyn Burdette, Amy Cuthbertson, Catherine Rimmer, John Kucklick, Nathan Mahynski
Non-targeted analysis (NTA) is a technique for the identification of unknown chemicals in complex materials, such as novel per- and polyfluoroalkyl substances (PFAS) in environmental materials and commercial formulations. The PFAS NTA Interlaboratory Study

Roadmap to Strengthen the U.S. Manufacturing Supply Chain via Digital Thread Technology

October 15, 2024
Author(s)
Eric Holterman, Dennis Brandl, Benjamin Standfield, James Wilson, Nima Yazdanpanah, Jim Fritz, Michael Corsello, Barbara Boyan, John Hagwood, Charles Ditchendorf, William Sobel, Lorin Sodell, Lisa Fronczek
This work presents and catalyzes support for a technology roadmap to improve the resilience and capacity of the US manufacturing supply chain through Digital Thread technology. Risks to supply chain resilience and capacity are mapped against envisioned

Room-Temperature Solid-State Nitrogen-Based Magneto-Ionics in CoxMn1-xN Films

October 15, 2024
Author(s)
Nicolau Lopez-Pinto, Christopher Jensen, Zhijie Chen, Zhengwei Tan, Zheng Ma, Maciej Liedke, Maik Butterling, Andreas Wagner, Javier Herrero-Martin, Enric Menendez, Josep Nogues, Kai Liu, Jordi Sort
The increasing energy demand in information technologies requires novel low-power procedures to store and process data. Magnetic materials, central to these technologies, are usually controlled through magnetic fields or spin-polarized currents that are
Displaying 451 - 475 of 143537