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 …

Rydberg atom electric field sensing for metrology, communication and hybrid quantum systems

H Zhang, Y Ma, K Liao, W Yang, Z Liu, D Ding, H Yan… - Science Bulletin, 2024 - Elsevier
Rydberg atoms-based electric field sensing had developed rapidly over the past decade. A
variety of theoretical proposals and experiment configurations are suggested and realized to …

Continuous-frequency microwave heterodyne detection in an atomic vapor cell

XH Liu, KY Liao, ZX Zhang, HT Tu, W Bian, ZQ Li… - Physical Review …, 2022 - APS
Atomic heterodyne dressed by a local oscillator resonant with Rydberg transitions allows
high sensitivity and robust phase measurement of a microwave electric field, but it is typically …

Rydberg-state engineering: investigations of tuning schemes for continuous frequency sensing

S Berweger, N Prajapati, AB Artusio-Glimpse… - Physical Review …, 2023 - APS
On-resonance Rydberg atom–based radio-frequency-(rf) electric-field sensing methods
remain limited by the narrow frequency-signal detection bands available from resonant …

Sensitivity extension of atom-based amplitude-modulation microwave electrometry via high Rydberg states

M Cai, S You, S Zhang, Z Xu, H Liu - Applied Physics Letters, 2023 - pubs.aip.org
The Rydberg atom-based microwave electric field sensor has high sensitivity for weak RF-
field detection. Selection of Rydberg states with larger electric dipole moment is beneficial to …

A Rydberg atom-based receiver with amplitude modulation technique for the fifth-generation millimeter-wave wireless communication

J Yuan, T Jin, L Xiao, S Jia… - IEEE antennas and …, 2023 - ieeexplore.ieee.org
We present a Rydberg atom-based receiver with amplitude modulation (AM) technique for
the fifth-generation (5G) millimeter-wave wireless communication in a five-level Rb atomic …

Highly sensitive microwave electrometry with enhanced instantaneous bandwidth

B Yang, Y Yan, X Li, L Xiao, X Li, LQ Chen, J Deng… - Physical Review …, 2024 - APS
Rydberg microwave (MW) sensors are superior to conventional antenna-based techniques
because of their wide operating frequency range and outstanding potential sensitivity. Here …

Sensitivity of a Rydberg-atom receiver to frequency and amplitude modulation of microwaves

S Borówka, U Pylypenko, M Mazelanik, M Parniak - Applied Optics, 2022 - opg.optica.org
Electromagnetically induced transparency in atomic systems involving Rydberg states is
known to be a sensitive probe of incident microwave (MW) fields, in particular those …

Rydberg-atom-based system for benchmarking millimeter-wave automotive radar chips

S Borówka, W Krokosz, M Mazelanik, W Wasilewski… - Physical Review …, 2024 - APS
Rydberg atomic sensors and receivers have enabled sensitive and traceable measurements
of rf fields at a wide range of frequencies. Here, we demonstrate the detection of electric field …

High-sensitivity Rydberg-atom-based phase-modulation receiver for frequency-division-multiplexing communication

Y Cai, S Shi, Y Zhou, Y Li, J Yu, W Li, L Li - Physical Review Applied, 2023 - APS
Due to the exaggerated properties of highly excited atomic states, a Rydberg-atom-based
microwave receiver holds the promise to achieve superior performances in microwave …