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# Atomic / molecular / quantum

### Spotlight: NIST/JILA Fellow Ana Maria Rey’s Entrance Into Theoretical Physics

For the International Day of Women and Girls in Science tomorrow, we’re bringing her story to you.

### Artifacts, Begone! NIST Improves Its Flagship Device for Measuring Mass

In a brightly lit subterranean lab at the National Institute of Standards and Technology (NIST) sits a room-sized electromechanical machine called the NIST-4

### Unveiling the Universe: In 4 New Studies, NIST Explores Novel Ways to Hunt Dark Matter

For decades, astronomers and physicists have been trying to solve one of the deepest mysteries about the cosmos: An estimated 85% of its mass is missing.

## Projects and Programs

### Far-infrared Spectroscopy of Biomolecules (Archived)

Completed
Far-infrared (or terahertz/THz, ca. 25 to 300 micron wavelength) femtosecond pulsed laser and Fourier-transform infrared methods are employed to measure

### Platform for Realizing Integrated Molecule Experiments (PRIME)

Ongoing
PRIME (Platform for Realizing Integrated Molecule Experiments) aims to establish primary, quantum-based realizations for both the radiometric watt and kelvin

### Light-matter interactions in Semiconductor Nanostructures

Ongoing
The quantum optics of light interacting with semiconductor-based nanostructures is being studied to extend concepts of entanglement and coherence in atomic

Ongoing
Research on quantum information (QI) seeks to control and exploit exotic properties of quantum mechanics, and researchers are already generating "unbreakable"

## The Research

### Far-infrared Spectroscopy of Biomolecules (Archived)

Completed
Far-infrared (or terahertz/THz, ca. 25 to 300 micron wavelength) femtosecond pulsed laser and Fourier-transform infrared methods are employed to measure

### Platform for Realizing Integrated Molecule Experiments (PRIME)

Ongoing
PRIME (Platform for Realizing Integrated Molecule Experiments) aims to establish primary, quantum-based realizations for both the radiometric watt and kelvin

### Light-matter interactions in Semiconductor Nanostructures

Ongoing
The quantum optics of light interacting with semiconductor-based nanostructures is being studied to extend concepts of entanglement and coherence in atomic

Ongoing
Research on quantum information (QI) seeks to control and exploit exotic properties of quantum mechanics, and researchers are already generating "unbreakable"

## Publications

### Topological charge pumping with subwavelength Raman lattices

Author(s)
Ian Spielman, Gediminas Juzeliunas, Domantas Burba, mantas Raciunas
Recent experiments demonstrated deeply subwavelength lattices using atoms with $N$ internal states Raman-coupled with lasers of wavelength $\lambda$. The

### Rydberg Engineering: Recent Techniques for Sensitive Field Measurements

Author(s)
Drew Rotunno, Nik Prajapati, Samuel Berweger, Aly Artusio-Glimpse, MATTHEW SIMONS, chris holloway, Amy Robinson
Highly-excited Rydberg atoms have been used for International System of Unit (SI)-traceable radio-frequency (RF) electric field and power measurements, but are

### Photon echoes using atomic frequency combs in Pr:YSO -- experiment and semiclassical theory

Author(s)
Zachary H. Levine, Aditya N. Sharma, Kumel H. Kagalwala, Martin A. Ritter, Eli J. Weissler, Elizabeth A. Goldschmidt, Alan Migdall
Photon echoes in rare-earth-doped crystals are studied to understand the challenges of making broadband quantum memories using the atomic frequency comb (AFC)

### Dark solitons in Bose–Einstein condensates: a dataset for many-body physics research

Author(s)
Amilson R. Fritsch, Shangjie Guo, Sophia Koh, Ian Spielman, Justyna Zwolak
We establish a dataset of over 1.6 x 10^4 experimental images of Bose–Einstein condensates containing solitonic excitations to enable machine learning (ML) for

## Awards

### 2023 Breakthrough New Horizons in Physics Prize - Adam Kaufman

Kaufman shares the \$100,000 prize with selected winners, all from different institutions (Hannes Bernien, Manuel Endres, Kang-Kuen Ni

### 2021 APS Fellow - Alexander Kramida

For developing highly effective methods for uncertainty quantification, and for the evaluation of atomic spectroscopic data and its

### 2022 Breakthrough Prize in Fundamental Physics - Jun Ye

Ye has been a physicist at JILA, a joint institute of NIST and the University of Colorado Boulder, for more than 20 years. The prize

### 2019 Norman F. Ramsey Prize - Jun Ye

Ye’s award, which recognizes his work in both precision measurement and quantum control, highlights the increasingly important connections