Quantum technology for military applications

M Krelina - EPJ Quantum Technology, 2021 - epjqt.epj.org
Quantum technology is an emergent and potentially disruptive discipline, with the ability to
affect many human activities. Quantum technologies are dual-use technologies, and as such …

Rydberg states of alkali atoms in atomic vapour as SI-traceable field probes and communications receivers

N Schlossberger, N Prajapati, S Berweger… - Nature Reviews …, 2024 - nature.com
Rydberg states of alkali atoms are highly sensitive to electric fields because their electron
wavefunction has a large spatial extent, leading to large polarizabilities for static fields and …

Quantum-enhanced sensing of displacements and electric fields with two-dimensional trapped-ion crystals

KA Gilmore, M Affolter, RJ Lewis-Swan, D Barberena… - Science, 2021 - science.org
Fully controllable ultracold atomic systems are creating opportunities for quantum sensing,
yet demonstrating a quantum advantage in useful applications by harnessing entanglement …

Waveguide-coupled Rydberg spectrum analyzer from 0 to 20 GHz

DH Meyer, PD Kunz, KC Cox - Physical Review Applied, 2021 - APS
We demonstrate an atomic rf receiver and spectrum analyzer based on thermal Rydberg
atoms coupled to a planar microwave waveguide. We use an off-resonant rf heterodyne …

Highly sensitive measurement of a megahertz rf electric field with a Rydberg-atom sensor

B Liu, LH Zhang, ZK Liu, ZY Zhang, ZH Zhu, W Gao… - Physical Review …, 2022 - APS
Rydberg atoms have great potential in electric field measurement and have an advantage
with a large frequency bandwidth from the kHz to the THz scale. However, the sensitivity for …

Deep learning enhanced Rydberg multifrequency microwave recognition

ZK Liu, LH Zhang, B Liu, ZY Zhang, GC Guo… - Nature …, 2022 - nature.com
Recognition of multifrequency microwave (MW) electric fields is challenging because of the
complex interference of multifrequency fields in practical applications. Rydberg atom-based …

Sensing of arbitrary-frequency fields using a quantum mixer

G Wang, YX Liu, JM Schloss, ST Alsid, DA Braje… - Physical Review X, 2022 - APS
Quantum sensors such as spin defects in diamond have achieved excellent performance by
combining high sensitivity with spatial resolution. Unfortunately, these sensors can only …

Rydberg atom electric field sensors for communications and sensing

CT Fancher, DR Scherer, MCS John… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Rydberg atom electric field sensors are projected to enable novel capabilities for resilient
communications and sensing. This quantum sensor is small-size, highly sensitive, and …

Rydberg superatoms: An artificial quantum system for quantum information processing and quantum optics

XQ Shao, SL Su, L Li, R Nath, JH Wu, W Li - Applied Physics Reviews, 2024 - pubs.aip.org
Rydberg superatoms: An artificial quantum system for quantum information processing and
quantum optics | Applied Physics Reviews | AIP Publishing Skip to Main Content Umbrella Alt …

Continuous radio-frequency electric-field detection through adjacent Rydberg resonance tuning

MT Simons, AB Artusio-Glimpse, CL Holloway, E Imhof… - Physical Review A, 2021 - APS
We demonstrate the use of multiple atomic-level Rydberg-atom schemes for continuous
frequency detection of radio-frequency (RF) fields. Resonant detection of RF fields by …