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Search Publications

NIST Authors in Bold

Displaying 276 - 300 of 74474

Robust phase stabilization of a dark quantum channel over a 120 km deployed fiber link

March 12, 2026
Author(s)
Daehyun Ahn, Ivan Burenkov, Jabir Marakkarakath Vadakkepurayil, Mheni Merzouki, Paulina Kuo, Abdella Battou, Thomas Gerrits, Sergey Polyakov
We present a scalable solution for phase stabilization of dark metropolitan-scale fiber links using wavelength division multiplexing (WDM). We implement a combined feed-back and feed-forward phase stabilization for a target channel by combining error

Low-frequency cryocoolers are compressed inefficiently

March 10, 2026
Author(s)
Ryan Snodgrass, Vincent Kotsubo, Jens Hoehne, Joel Ullom
Millikelvin refrigerators are enabling tools for many fields of modern science, including quantum information processing. They are typically precooled to 4 K by low-frequency pulse-tube refrigerators, which perform a thermodynamic cycle based on

Understanding the Risk of Lithium-Ion Battery Fires - multi-source data analysis

March 10, 2026
Author(s)
Stanley Gilbert, Hongqiang Fang, David Butry, Wai Cheong Tam, Michelle Donnelly, Juan Fung
Lithium ion battery (LIB) fires are a growing problem that extends across the supply chain, including mining, production, warehousing, shipping, and waste disposal, as well as the consumer side. But data on such fires is fragmented and mostly incomplete

A Transition-edge Sensor Spectrometer for Precision Spectroscopy of Antiprotonic Ato ms

March 9, 2026
Author(s)
Kelsey Morgan, Toshiyuki Azuma, Goncalo Baptista, Daniel Becker, Douglas Bennett, Francois Butin, Jonathan Dean, Ofir Eizenberg, Joseph Fowler, Hiroyuki Fujioka, davide gamba, Johnathon Gard, Nabil Garroum, Mauro Guerra, Tadashi Hashimoto, Takashi Higuchi, Paul Indelicato, Mark Keller, Jorge Machado, John Mates, Nathan Nakamura, Jason Nobles, Francois Nez, Ben Ohayon, Shinji Okada, Nathan Ortiz, Nancy Paul, Shikha Rathi, Michael Roosa, Takeshi Saito, Daniel Schmidt, Quentin Senetaire, Jonas Sommerfeldt, Paul Szypryt, Joel Ullom, Pauline Yzombard, Marco Zito, Daniel Swetz

System-Conditioned Reparameterization of the SCAN Functional for Accurate Bandgaps: From Analytical Constraints to Machine Learning

March 7, 2026
Author(s)
Viviana Faride Dovale Farelo, Pedram Tavadze, Miguel Marques, Srinjoy Das, Kamal Choudhary, Alejandro Bautista-Hernandez, Aldo Romero
This work investigates how reparametrizing the Strongly Constrained and Appropriately Normed (SCAN) exchange–correlation (XC) functional within density functional theory affects predictions of the electronic bandgap (Eg) for solids. A system dependent

Addressing Individual Persistent Current Switches With a Cryogenic Optical Scanner

March 6, 2026
Author(s)
Avirup Roy, Jonathan Dean, Galen O'Neil, Nathan Ortiz, Paul Szypryt
We demonstrate a robust and minimalist implementation of individually addressable optically actuated persistent current switches. We use a focused laser beam directed by a cryogenic laser scanner to drive a selected segment of a superconducting loop normal

Challenges to the monitoring of deployed AI systems: Center for AI Standards and Innovation

March 6, 2026
Author(s)
Anita Rao, Andrew Keller, Neha Kalra, Ryan Steed, Kweku Kwegyir-Aggrey, Kevin Klyman, Diane Staheli, Amanda Bergman
As artificial intelligence (AI) systems are increasingly integrated into commercial and government applications, there is a growing need to monitor these systems in real-world settings. Although pre-deployment evaluations are valuable for assessing AI

Efficiently gate-tunable ferromagnetism in ferromagnetic semiconductor-Dirac semimetal p-n heterojunctions

March 6, 2026
Author(s)
Emma Steinebronn, Saurav Islam, Abhinava Chatterjee, Bimal Neupane, Alexander Grutter, Christopher Jensen, Julie Borchers, Timothy Charlton, Wilson J. Yanez-Parreno, Juan Chamorro, Tanya Berry, Supriya Ghosh, K. A. Nivedith, K. A. Mkhoyan, Tyrel McQueen, Yuanxi Wang, Chaoxing Liu, Nitin Samarth
We use molecular beam epitaxy to develop a gate tunable p-n heterojunction that interfaces a canonical Dirac semimetal, Cd3As2, and a ferromagnetic semiconductor, In1−xMnxAs, with perpendicular magnetic anisotropy. Measurements of the anomalous Hall effect

Spin excitation continuum from degenerate states in the mixed ferro-antiferromagnetic exchange system CeMgAl11O19

March 6, 2026
Author(s)
Bin Gao, Tong Chen, Chunxaio Liu, Mason Klemm, Shu Zhang, Zhen Ma, Xianghan Xu, CHOONGJAE WON, Gregory McCandless, Karthik Rao, Naoki Murai, Seiko Ohira-Kawamura, Stephen Moxim, Jason Ryan, Xiaozhou Huang, Xiaoping Wang, Manh Duc Le, Emilia Morosan, Julia Chan, Sang-Wook Cheong, Oleg Tchernyshyov, Leon Balents, Pengcheng Dai
In magnetically ordered insulators, elementary quasiparticles manifest as spin waves - collective motions of localized magnetic moments that propagate through the lattice - observed via inelastic neutron scattering. In effective spin- 1/2 systems where

Advancing evanescent light scattering microscopy for single-particle characterization of gene delivery nanoparticles

March 4, 2026
Author(s)
Jagat Budhathoki, Gregory Cooksey, Matthew DiSalvo, Thomas Germer, Peter Bajcsy, Edward Kwee, Aaron Goldfain, Alexander Peterson
Precise and reproducible single-nanoparticle characterization is essential for advancing gene therapy, where viral vectors encapsulating therapeutic genes must be evaluated under formulation-relevant conditions. We present a label-free optical platform

Computational Materials for Qualification and Certification (CM4QC) Strategy Document: Maturation of Computational Materials Methods for Aviation-Focused Qualification and Certification of Metal Additive Manufacturing (as an Example of Process-Intensive M

March 4, 2026
Author(s)
Edward Glaessgen, Michael Gorelik, Lyle Levine, Corbett Battaile, Michael Kane, Nam Phan, Alexander Plotkowski, Edwin Schwalbach, Derrick Lamm, Narendran Raghavan, Nate Ashmore, Richard Barto, James Dobbs, Matthew Lynch, Markus Heinimann, Peter Kantzos, Alonso Peralta-Duran, Carl Popelar, Prabhjot Singh, Suresh Sundarraj, Paul Toivonen, Vasisht Venkatesh, Bret Vogel, Deborah Whitis, Harry Millwater, Anthony Rollett, Sankaran Mahadevan, Caglar Oskay, Todd Palmer, Gregory Wagner

Link-to-System Mapping for 5G NR Sidelink System Simulations

March 4, 2026
Author(s)
Thomas Henderson, Peng Liu, Chunmei Liu, Fernando Cintron
We describe extensions to the Network Simulator version 3 (ns-3) New Radio (NR) sidelink simulator for higher-fidelity packet error models based on an extensive simulation campaign using the National Institute of Standards and Technology (NIST) Fifth

QDFlow: A Python package for physics simulations of quantum dot devices

March 3, 2026
Author(s)
Donovan Buterakos, Sandesh Kalantre, Joshua Ziegler, Jacob Taylor, Justyna Zwolak
Recent advances in machine learning (ML) have accelerated progress in calibrating and operating quantum dot (QD) devices. However, most ML approaches rely on access to large, representative datasets designed to capture the full spectrum of data quality

A laser scanning device for cryogenic beam steering

March 2, 2026
Author(s)
Jonathan Dean, Avirup Roy, Nathan Ortiz, Joel Weber, Joel Ullom, Daniel Swetz, Galen O'Neil
It is often desirable to steer light within a cryostat and have a well focussed laser spot incident upon a detector. We demonstrate operation of superconducting transition-edge sensor microcalorimeters with a laser scanning device co-located on the 20 mK

Transit time corrections to the diffusion of atomic lattices

March 2, 2026
Author(s)
Alexander Pouliot, Gehrig Carlse, Eduardo Chomen Ramos, Thomas Vacheresse, Jaskaran Randhawa, Anantharaman Kumarakrishnan, Jacek Klos, Eite Tiesinga
We present transit time corrections for the diffusive decay of a ground state population grating formed by spatially periodic optical pumping. We present two classes of results, the first of which applies to a population grating with a Gaussian envelope
Displaying 276 - 300 of 74474
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