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Physics

Atomic/molecular/quantum

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Displaying 1 - 25 of 749

Improved Correlations for the Static Dielectric Constant of Hydrogen

October 7, 2026
Author(s)
Guinevere Sellner, Liam Tenardi, Paul Stanwix, Eric May, Allan Harvey
Accurate values of the static dielectric constant of hydrogen are important for both fundamental thermophysical property calculations and emerging dielectric-based sensing applications in hydrogen liquefaction, storage, and processing systems. Previous

Single-photon dynamics of a telecom-band quantum dot emitter integrated with a double solid immersion lens

September 24, 2026
Author(s)
Daehyun Ahn, Ivan Burenkov, Lijun Ma, Young-Ho Ko, Yudong Jang, Donghan Lee, Mohamed Benyoucef, Sergey Polyakov
Investigating single-photon dynamics is crucial for understanding and verifying the quantum characteristics of single-photon emitters. Here, we demonstrate a telecom-band quantum dot single-photon emitter integrated with a lithographically aligned double

Frequency Comb Behavior from RF Driven Rydberg Dissipative Time Crystals

July 27, 2026
Author(s)
Dixith Manchaiah, William Watterson, Christopher Holloway
Driven nonlinear oscillators constitute a universal paradigm for understanding synchronization, frequency pulling, and frequency comb formation in nonequilibrium systems. Here, we realize such an emergent nonlinear oscillator in strongly interacting cesium

Batch-fabrication of all-dielectric vapor cells enabling optically addressed Rydberg atom electrometry

June 18, 2026
Author(s)
Alexandra Artusio-Glimpse, Adil Meraki, Hunter Shillingburg, Guy Lavallee, Miao Liu, Chad Eichfeld, Matthew Simons, Glenn Holland, Christopher Holloway, Vladimir Aksyuk, Daniel Lopez
Millimeter-scale atomic vapor cells can be accurately and economically batch-fabricated by anodically bonding silicon and glass wafers, enabling the manufacturing of miniature atomic clocks and quantum sensors. However, silicon's high dielectric constant

Entanglement Distribution over a Polarization-Stabilized Aerial Fiber

June 15, 2026
Author(s)
Yicheng Shi, Anouar Rahmouni, Pranish Shrestha, Mheni Merzouki, Abdella Battou, Oliver Slattery, Thomas Gerrits, Mehdi Namazi, Mael Flament, Anne Margaret Lazenby, Gabriel Bello Portmann, Jing Su
Distributing quantum entanglement over telecommunication fiber is a fundamental task in metropolitan-scale quantum networks, enabling advanced applications such as quantum-secured communication, quantum sensing and distributed quantum computing. Although

From Intermolecular Poses to Thermodynamics Using Subdivided Spheres

June 9, 2026
Author(s)
Isabel Vinterbladh, Jordan Bye, Robin Curtis, Harold Hatch, Sergei Grudinin, Mikael Lund
Computing molecular thermodynamic properties is instrumental in multiple scientific disciplines, such as statistical physics, N-body simulations, and molecular docking. However, exact thermodynamic calculations are almost always not feasible. In this work

Nondestructive characterization of laser-cooled atoms using machine learning

May 13, 2026
Author(s)
Ian Spielman, Justyna Zwolak, Michael Doris, Dario D'Amato, Guilherme de Sousa, Brady Egleston
We develop machine learning techniques for estimating physical properties of laser-cooled potassium-39 atoms in a magneto-optical trap using only the scattered light---i.e., fluorescence---that is intrinsic to the cooling process. In-situ snap-shot images

Long-term phase stabilization for metropolitan-scale dark quantum channels

May 2, 2026
Author(s)
Daehyun Ahn, Ivan Burenkov, Jabir Marakkarakath Vadakkepurayil, Mheni Merzouki, Paulina Kuo, Abdella Battou, Thomas Gerrits, Sergey Polyakov
We employ a frequency comb to demonstrate a multiband wavelength-division-multiplexing (WDM)-based phase stabilization over a metropolitan-scale fiber link while maintaining a dark quantum channel. We achieve phase stability over 100 seconds, a four orders

Second-order spectroscopy of a telecom band quantum dot single photon emitter

May 2, 2026
Author(s)
Daehyun Ahn, Ivan Burenkov, Lijun Ma, Sergey Polyakov, Donghan Lee, Mohamed Benyoucef
We directly retrieve the coherence properties of a quantum dot including fine-structure splitting (FSS) of a telecom-band quantum dot from a single Hong–Ou–Mandel (HOM) measurement. This method provides a straightforward measurement of fundamental

Quantum signatures of proper time in optical ion clocks

April 20, 2026
Author(s)
Gabriel Sorci, Joshua Foo, Igor Pikovski, Christian Sanner, Dietrich Leibfried
Optical clocks based on atoms and ions probe relativistic effects with unprecedented sensitivity by resolving time dilation due to atom motion or different positions in the gravitational potential through frequency shifts. However, all measurements of time

Direct Observation of muonic molecules in resonance states critical to muon catalyzed fusion

April 15, 2026
Author(s)
Yuichi Toyama, Toshiyuki Azuma, Douglas Bennett, William Doriese, Malcolm Durkin, Joseph Fowler, Johnathon Gard, Tadashi Hashimoto, Ryota Hayakawa, Yuto Ichinohe, Katsuhiko Ishida, Sohtaro Kanda, Naritoshi Kawamura, Yasushi Kino, Ren Konishi, Yasuhiro Miyake, Kelsey Morgan, Ryota Nakashima, Hiroaki Natori, Hirofumi Noda, Galen O'Neil, Shinji Okada, Takuma Okumura, Kenichi Okutsu, Carl Reintsema, Kyosuke Sasaki, Toshiki Sato, Daniel Schmidt, Kouichiro Shimomura, Patrick Strasser, Daniel Swetz, Tadayuki Takahashi, Motonobu Tampo, Hideyuki Tatsuno, Joel Ullom, Izumi Umegaki, Shin Watanabe, Shinya Yamada, Takuma Yamashita

Optical clock frequency ratios with uncertainty ? 3.2 * 10^-18

April 10, 2026
Author(s)
Alexander Aeppli, Willa Arthur-Dworschack, Kyle Beloy, Caitlin Berry, Tobias Bothwell, Angela Folz, Tara Fortier, Tanner Grogan, Youssef Hassan, Zoey Zimeng Hu, David Hume, Benjamin Hunt, Kyungtae Kim, Amanda Koepke, Dahyeon Lee, David Ray Leibrandt, Ben Lewis, Andrew Ludlow, Mason Marshall, Nicholas Nardelli, Harikesh Ranganath, Daniel Rodriguez Castillo, Jeffrey Sherman, Jacob Siegel, Suzanne Thornton, William Warfield, Jun Ye
We report high-precision frequency ratio measurements between optical atomic clocks based on 27Al+, 171Yb, and 87Sr. With total fractional uncertainties at or below 3.2 × 10−18, these measurements meet the milestone criteria for redefinition of the second

Wavefront mapping for absolute atom interferometry

April 10, 2026
Author(s)
Joseph Junca, John Kitching, William McGehee
Wavefront distortions are a leading source of systematic uncertainty in light-pulse atom interferometry, limiting absolute measurements of gravitational acceleration at the 30 nm/s2 level. Here, we demonstrate in situ spatially-resolved measurement of the

Imaginary gauge potentials in a non-Hermitian spin-orbit coupled quantum gas

March 17, 2026
Author(s)
Ian Spielman, Junheng Tao, Emmanuel Mercado Gutierrez, Mingshu Zhao
In 1996, Hatano and Nelson proposed a non-Hermitian lattice model containing an imaginary Peierls phase [Phys.Rev.Lett.\bf 77}570--573 (1996)], which subsequent analyses revealed to be an instance of a new class of topological systems. Here, we

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

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

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

Localized quasiparticles in a quasi-two-dimensional fluxonium

February 21, 2026
Author(s)
Trevyn Larson, Sarah Jones, Tamas Kalmar, Pablo Aramburu Sanchez, Sai Pavan Chitta, Varun Verma, Kristen Genter, Katarina Cicak, Sae Woo Nam, Gergo Fulop, Jens Koch, Raymond Simmonds, Andras Gyenis
Disordered superconducting materials with high kinetic inductance are an important resource for generating nonlinearity in quantum circuits and creating high-impedance environments. In thin films fabricated from these materials, the combination of disorder
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