Achieving 100$\,$MHz Instantaneous Bandwidth in a Broadband Rydberg Microwave Sensor

Binghong Yu; Haojie Zhao; Huadong Cheng; Jianliao Deng; Jinyin Wan; L. Q. Chen; Xing Xia; Xuejie Li; Yuhan Yan

REVIEW 4 major objections 3 minor 36 references

Achieving 100$\,$MHz Instantaneous Bandwidth in a Broadband Rydberg Microwave Sensor

T0 review · 4 major / 3 minor · reviewed 2026-08-01 · deepseek-v4-flash

Challenge this review Re-run · record.json Download PDF Read on arXiv ↗ Review JSON

Pith's one-line read Rydberg microwave sensor achieves over 100 MHz instantaneous bandwidth across 2.7–20 GHz.

desk verdict Useful experimental extension of the authors' own Rydberg-sensor program, but the headline >100 MHz IB claim is confounded by an uncalibrated 50 MHz APD and missing theory-data comparison. read the letter →

arxiv 2607.25309 v1 pith:J3W74LW7 submitted 2026-07-28 physics.atom-ph

Yuhan Yan , Jinyin Wan , Xuejie Li , Xing Xia , Haojie Zhao , Binghong Yu , Jianliao Deng , L. Q. Chen

show 1 more author

Huadong Cheng

This is my paper · ORCID

classification physics.atom-ph

keywords Rydbergatomsmicrowavesensinginstantaneousbandwidthsuperheterodynedressedstateselectromagneticallyinducedtransparencyvaporcellquantummetrology

verification ladder T0 review T1 audit T2 compute T3 formal

The pith

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The reading

This paper reports a Rydberg-atom microwave sensor whose instantaneous bandwidth exceeds 100 MHz, roughly ten times the tens of megahertz demonstrated before, and maintains this over a broad 2.7–20 GHz frequency range. The authors show that detuning the coupling laser reshapes the atom's dressed-state energy levels, suppressing a response dip that previously capped the bandwidth and creating gain peaks through dressed-state transition resonances. The result is a sensitivity of hundreds of nV cm⁻¹ Hz⁻¹/² across the full band. If correct, this removes a key practical hurdle for using Rydberg sensors in radar and wireless receivers.

What carries the argument

The key object is the dressed-state manifold of the four-level atom driven by the probe, coupling, and local microwave fields; six transition channels among these dressed states contribute to the superheterodyne signal. The response amplitude is expressed as a sum of squared coherence amplitudes plus interference cross-terms. Detuning the coupling field breaks the dressed-state symmetry, shifts the relative spacings, and lets one choose which transition channels compensate the dip and where gain peaks appear. This tuning is the control knob that converts the response from a narrow-band, dip-limited curve to a broad-band one.

What would settle it

Take the same vapor cell and drive the same transition, but replace the photodiode/APD with a detector of >200 MHz bandwidth or measure the APD transfer function with a calibrated modulated optical source. If the 3-dB points stay beyond 100 MHz, the atomic claim stands; if they shift to about 50 MHz, the observed bandwidth was instrumental.

Watch

Extended reading notes

Core claim

The central claim is that deliberately detuning the coupling laser redistributes the dressed-state energy levels of the four-level atomic system, so the loss of coherence between one dressed-state pair—which caused a deep dip in the superheterodyne response—is compensated by growing coherence and constructive interference among other transition channels. This eliminates the dip and generates gain peaks, extending the −3 dB instantaneous bandwidth beyond 100 MHz while retaining sensitivity in the hundreds of nV cm⁻¹ Hz⁻¹/². The claim is backed by measurements at multiple frequencies from 2.7 to 19.6 GHz and by a Floquet/dressed-state decomposition of the response into coherence and interferen

Load-bearing premise

The photodetector does not attenuate the signal sidebands up to 100 MHz—yet the detector's spec sheet says 50 MHz—so without calibration the reported bandwidth may reflect the detector rather than the atoms.

Editorial extensions

If this is right

If the claim holds, Rydberg sensors can receive signals over a >100 MHz instantaneous band without retuning, enabling real-time radar and communication reception.
The 2.7–20 GHz coverage implies a single atomic cell can replace several conventional receivers across that spectrum.
The demonstrated sensitivity (hundreds of nV cm⁻¹ Hz⁻¹/²) stays within a factor of a few of quantum-noise-limited operation, so the bandwidth gain does not come at a ruinous sensitivity cost.
The mechanism gives a practical tuning recipe—adjust coupling detuning and local-MW Rabi frequency—that can be ported to other atomic species or transitions.
The scheme works at room temperature in a vapor cell, compatible with field-deployable packages.

Reading between the lines

Editorial extensions of the paper, not claims the author makes directly.

The reported >100 MHz bandwidth may actually be limited by the photodetection chain: the avalanche photodiode has a stated 50 MHz detection bandwidth, so the measured 3-dB points might be set by detector roll-off rather than the atoms; a faster detector would test this directly.
The gain-peak positions are tied to dressed-state energy spacings, which scale with the Rabi frequencies; increasing coupling power should push the bandwidth even higher, as the authors note, and this could be a straightforward next experiment.
The same detuning-based compensation could apply to other Rydberg sensing schemes that suffer from response dips, such as EIT-based electrometers, extending the method beyond superheterodyne readout.
The use of a single vapor cell and a widely tunable coupling laser suggests the approach could be integrated into compact atomic receivers if the laser source can be miniaturized.

Share X Bluesky LinkedIn Reddit HN

Signed reviews

No signed human review yet.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, and a circularity audit.

Desk Editor's Note

read the letter

Bottom line: this is a solid experimental extension of a program the authors have been building, and the claimed >100 MHz instantaneous bandwidth across 2.7–20 GHz would be a genuine first if it holds up. But the central measurement goes through a 50 MHz APD with no calibration of the detector transfer function, and that is exactly the sort of thing that could turn the headline claim into an artifact. It’s fixable, and I don’t think it’s fatal, but it has to be addressed before the result is convincing.

What’s genuinely new: the experiment. Previous superheterodyne Rydberg sensors showed tens of MHz at a single frequency; here they report >100 MHz at multiple points across a wide tuning range. The physical mechanism—dressed-state coherence and interference shaped by coupling detuning—is carried over from their own prior work (Refs. [28–30]), and the paper does a reasonable job of explaining why detuning suppresses the dip and creates gain peaks. The sensitivity numbers (hundreds of nV cm⁻¹ Hz⁻¹/²) are also consistent with expectations. If the data are right, this is an important milestone for practical Rydberg sensing.

Soft spots, in order of importance. First, the APD. The Thorlabs APD130A has a stated 50 MHz bandwidth. The IB is defined as the full span where response stays within 3 dB of the peak, so even a flat atomic response through a 50 MHz first-order roll-off gives you 100 MHz. The paper’s response curves show gain peaks that could beat that, but without a measured transfer function you can’t tell how much of the shape is the detector. This is a load-bearing omission, and the fix is straightforward: characterize the detection chain (e.g., with a modulated optical source or a known electrical signal) and deconvolve it.

Second, the theory isn’t quantitatively checked against the data. The calculations use Ωp/2π=5 MHz while the experiment reports 15.69 MHz, and there is no overlay of the computed response on the measured curves. The central equation is imported from the authors’ unpublished Ref. [29], and the parameters Δc and ΩL are optimized per point. So the mechanism is plausible but not independently validated by the evidence shown.

Third, I’d want to see the individual response curves for all the frequency points, not just the bar chart, and the errors. The claim is that IB exceeds 100 MHz everywhere; five measurements per point is fine, but the shape of the response matters.

Who this is for: people actively working on Rydberg electrometry and atomic receivers. It’s a subfield milestone, not a paradigm shift. I’d send it to a serious referee—the result is meaningful and the concerns are addressable. I’d ask for the detector calibration, a direct theory-data comparison, and the raw curves, and then lean toward accepting after revision.

Referee Report

4 major / 3 minor

Summary. The paper reports a Rydberg-atom superheterodyne microwave sensor operating over 2.7–20 GHz with an instantaneous bandwidth (IB) exceeding 100 MHz at all measured frequency points, together with sensitivities in the hundreds of nV cm⁻¹ Hz⁻¹/² range. The authors attribute the broadband response to dressed-state coherence and interference among multiple transition channels, tuned via the coupling-laser detuning Δ_c and local-MW Rabi frequency Ω_L. Theoretical response curves based on a six-channel dressed-state formula (Eq. 5, from the authors' unpublished Ref. [29]) are presented for representative parameters, and experimental response curves are shown for a few frequencies. The central claims are the first >100 MHz IB across a wide tuning range and the physical mechanism of bandwidth enhancement.

Significance. If the experimental claims hold, this would be a substantial advance for Rydberg atom-based microwave sensing, moving from tens of MHz to >100 MHz instantaneous bandwidth across a wide frequency range—an important practical step for radar and communications applications. The paper also attempts to explain the bandwidth enhancement in terms of dressed-state coherence and interference, which is a useful conceptual framework. However, the significance is critically dependent on the reliability of the IB measurement, which is currently undermined by the uncalibrated 50 MHz APD detection chain and the lack of a quantitative theory-experiment comparison.

major comments (4)

[§3, §4, Fig. 5] The central claim of >100 MHz instantaneous bandwidth is directly confounded by the detector bandwidth. The paper states that the superheterodyne signal is detected by a Thorlabs APD130A with 50 MHz detection bandwidth, yet reports IB above 100 MHz. No calibration or deconvolution of the APD frequency response is provided. If the APD has a first-order roll-off at 50 MHz, the measured -3 dB width could be artificially extended by the detector's response. The -3 dB crossings and the gain peaks in Fig. 5(a) could be partly detector-induced. This is a load-bearing omission: the reported IB cannot be uniquely attributed to the atomic mechanism without correcting for the detection chain.
[§2, Fig. 2, Fig. 3, §4] The theoretical calculations use Ω_p/2π = 5 MHz (Figs. 2, 3) while the experiment reports Ω_p/2π = 15.69 MHz (Sec. 3). No quantitative overlay of theory and experiment is shown for any measured response curve. The claimed physical mechanism—that dressing and interference produce gain peaks extending the IB—is therefore not directly validated. The authors should either run the calculations with the experimental parameters, show a direct overlay with error bars, or explain why the factor-of-three mismatch in Ω_p does not affect the conclusions.
[§2.B, Eq. (5)] Eq. (5), the six-channel dressed-state response formula, is imported from the authors' own unpublished Ref. [29] and is not derived in this manuscript. The explanatory core—the decomposition into coherence and interference terms and the resulting peak/dip structure—rests entirely on this unverified equation. Moreover, at each measured frequency point the parameters Δ_c and Ω_L are empirically adjusted to maximize IB (Sec. 4), so the 'prediction' of >100 MHz bandwidth is not independent of the data. The authors should either present a self-contained derivation of Eq. (5), cite a publicly available source, or demonstrate that the mechanism is robust without per-point tuning.
[§4, Eq. sensitivity] The sensitivity claim (hundreds of nV cm⁻¹ Hz⁻¹/²) is also affected by the uncalibrated detection chain. The noise PSD in Fig. 5(e) is measured after the APD, and the sensitivity in Fig. 5(f) is quoted over the 3-dB IB range. If the detector rolls off, the sensitivity at larger |δ_s| will be worse than the atomic-response-limited value, and the quoted 'better than 800 nV cm⁻¹ Hz⁻¹/²' may be an artifact of the detector's frequency response. A calibration of the APD's transfer function is needed to support both the IB and the bandwidth-dependent sensitivity claims.

minor comments (3)

[§4, Fig. 5 caption and text] There are apparent cross-reference errors: the text says 'Figure 4(a) presents the frequency response curves' but Fig. 4(a) is the experimental setup, and Fig. 5(a) is the response. Similarly, 'Figure 5(a)' is called for the AT slope but the slope is in Fig. 5(c). The figure captions should be checked and corrected.
[Throughout] The acronym 'IB' is not defined at first use in the abstract (the abstract says 'instantaneous bandwidth' but the definition is implicit). Also, in Sec. 2, 'ω_ij is the resonant frequency of the dressed states |i> and |j>' is ambiguous; clarify whether it is the energy difference divided by ħ.
[Sec. 4, Fig. 5(b)] The IB data in Fig. 5(b) would benefit from indication of the detector bandwidth (50 MHz) as a horizontal reference. Without this, the reader cannot assess how much of the measured IB exceeds the detector's roll-off.

Circularity Check

1 steps flagged · score 4.0 of 10

Explanatory core for the >100 MHz instantaneous bandwidth is imported from the authors' own unpublished Ref. [29] (Eq. 5); the headline bandwidth itself is measured/optimized, so circularity is partial.

self citation load bearing [Section 2.B, 'The dressed-state picture', Eq. (5)]
"According to Ref. [29], the response amplitude is governed by the six dressed-state transition channels ( |−⟩ ↔ |d⟩, |−⟩ ↔ |u⟩, |−⟩ ↔ |+⟩, |d⟩ ↔ |u⟩, |d⟩ ↔ |+⟩, |u⟩ ↔ |+⟩), which is given by |\tilde{S}(δ_s)| = sqrt( Σ_k |\tilde{S}_k(δ_s)|^2 + Σ_{αβ} |\tilde{S}_α(δ_s)||\tilde{S}_β(δ_s)| cos Δφ_{αβ} )."

Eq. (5) is the central theoretical equation used to compute the coherence and interference contributions that are then claimed to explain the >100 MHz IB. The paper does not derive Eq. (5) from the presented Hamiltonian/Floquet equations; it imports it from Ref. [29], an unpublished work by the same authors. The 'physical picture' (dressed-state coherence plus interference) is therefore a restatement of the self-cited formula rather than an independently derived prediction. Because the headline IB is measured (after adjusting Δc and ΩL to maximize it), the experimental result still has independent content, so this is partial rather than total circularity.

full rationale

The claimed experimental achievement (IB > 100 MHz across 2.7–20 GHz) is a measured outcome, not a value obtained by substituting parameters into the theory. No quantitative prediction is fitted to the response curves and then relabeled as a prediction; Δc and ΩL are explicitly optimized at each frequency point to maximize IB, but this is a stated procedure, not a hidden fit. The main circularity concern is the explanatory core: Eq. (5), which is the basis for the dressed-state coherence/interference mechanism, is 'According to Ref. [29]' — an unpublished self-citation — and is not derived in this paper. That makes the theoretical narrative load-bearing on a self-citation. The Thorlabs APD130A 50 MHz detection bandwidth and the absence of detector deconvolution is a serious measurement-validity concern, but it is a calibration/artifacting issue rather than a circularity of the derivation chain; it does not raise the circularity score. Overall score 4: the central claim has independent experimental content, but the explanatory framework is not self-contained.

Assumptions & free parameters 2 free parameters · 4 assumptions · 0 invented entities

No new particles, forces, or conserved quantities are introduced. The main burden is carried by the hand-tuned control parameters Δc and ΩL, and by an imported self-cited formula.

free parameters (2)

coupling detuning Δc = empirically tuned per point (not reported)
Section 4: 'the coupling detuning Δc must be carefully adjusted ... at each operating frequency point to achieve the maximum attainable IB.' This is the main knob; no first-principles value is given.
local MW Rabi frequency ΩL = optimized per point (not reported)
Section 4: 'optimize ΩL at each operating frequency point.' The LO power is a hand-tuned control, and no values are listed.

assumptions (4)

domain assumption Lindblad master equation with RWA (Eq. 3) models the four-level atom response.
Assumes four-level truncation, negligible residual Doppler, and uniform fields; standard but not quantitatively verified for these beam geometries.
standard math Floquet expansion of ρge into harmonics is valid for the periodic signal field.
Standard Floquet theory, cited as Refs [31–33].
ad hoc to paper The six-channel dressed-state response formula of Eq. (5) from Ref [29] is correct.
Eq. (5) is not derived in this paper; it is imported from the authors' own prior work, which is unpublished and not independently verified.
ad hoc to paper Observed dip/peak features are attributed to dressed-state coherence and interference rather than to detector response or other multi-level effects.
No quantitative comparison of theory curves to measured response curves is shown, and the 50 MHz detector bandwidth is not calibrated.

how reviews work

0 comments

Cite this review

Pith. "Pith review of Achieving 100$\,$MHz Instantaneous Bandwidth in a Broadband Rydberg Microwave Sensor." pith.science (2026). https://pith.science/paper/J3W74LW7

@misc{pith2026260725309,
  author       = {Pith},
  title        = {Pith review of: Achieving 100$\,$MHz Instantaneous Bandwidth in a Broadband Rydberg Microwave Sensor},
  year         = {2026},
  howpublished = {\url{https://pith.science/paper/J3W74LW7}},
  note         = {Machine review of arXiv:2607.25309}
}

abstract

Rydberg atoms have attracted considerable attention in recent years as a novel platform for microwave sensing, owing to their unique physical merits: large transition dipole moments between Rydberg levels and broad frequency coverage. As a critical figure of merit for Rydberg microwave sensors, instantaneous bandwidth serves as a key benchmark for evaluating their viability in practical applications. Previous studies on instantaneous bandwidth remain limited to single-frequency operation, with typical demonstrated values of only tens of megahertz, a constraint that hampers the real-world deployment of this sensing technology. Here, we experimentally achieve an instantaneous bandwidth of over 100$\,$MHz across a broad frequency range of 2.7-20$\,$GHz and realize a sensitivity in the hundreds of nV$\,$cm$^{-1}\,$Hz$^{-1/2}$ range. The physical mechanism lies in the dressed-state coherence and the interference effect between different transition channels. Our work substantially broadens the instantaneous bandwidth of Rydberg microwave sensors and paves the way for their practical deployment in fields such as radar and wireless communications.

Figures

Figures reproduced from arXiv: 2607.25309 by the authors.

**Figure 1.** (a) Energy level scheme. ωi : i = p, c, L,s represent the angular frequency of the probe, coupling, local MW, and signal MW fields, respectively. |g⟩: |6S1/2, F = 4⟩, |e⟩: |6P3/2, F ′ = 5⟩, |r1⟩: |nD5/2⟩, |r2⟩: |(n + 1)P3/2⟩. (b) The normalized response amplitude curves with different Ωc. The gray dashed line represents the 3 dB attenuation of the response amplitude. The data is normalized to the response amplitud… view at source ↗

**Figure 2.** (a) The dressed-state distribution when ∆c = 0. (b) The theoretical calculation of the overall response (AS = |S˜(δs)|), the contribution of the coherence terms (AC = ∑ |S˜ k (δs)|), and the contribution of the interference terms (AI = q ∑ Iαβ). All the theoretical results are normalized to the overall response amplitude AS(0). (c) The three dominant coherence terms. (d) The three dominant interference terms. All th… view at source ↗

**Figure 3.** (a) The dressed-state distribution when ∆c ̸= 0. (b) The theoretical normalized response amplitude curve of the overall response. (c) The three dominant coherence terms. (d) The contribution of the interference effect to the overall response. The inset represents the three dominant interference terms. All the theoretical results are calculated with Ωp/2π = 5 MHz, Ωc/2π = 50 MHz, and ∆c/2π = −30 MHz. away from ωdu, t… view at source ↗

Figures from the paper (2 more)

**Figure 4.** Figure 4: (a) Experimental setup. HR: high-reflection mirror; DM: dichroic mirror; HWP: half wave plate; QWP: quarter wave plate; BS: beam splitter; PBS: polarization beam splitter; PCX: plano-convex lens; AS: aperture stop; LB: laser block; SMF: singlemode fiber; FEOM: fiber e…

**Figure 5.** Figure 5: (a) The experimental normalized response amplitude when fLO = 2.77 GHz, fLO = 12.6 GHz and fLO = 19.6 GHz. The gray dashed line represents the 3 dB attenuation of the response amplitude at |δs|/2π = 200 kHz. (b) The IB performance at multiple frequency point. During th…

Discussion (0). Continue with ORCID to comment.

Reference graph

Works this paper leans on

36 extracted references · 1 linked inside Pith

[29]

Multi-dressed-state engineered Rydberg electrometry,

Y . Y an, B. Y ang, X. Li,et al., “Multi-dressed-state engineered Rydberg electrometry,” (2026)

2026
[1]

Quantum information with Rydberg atoms,

M. Saffman, T. G. Walker, and K. Mølmer, “Quantum information with Rydberg atoms,” Rev. Mod. Phys.82, 2313–2363 (2010)

2010
[2]

Broadband Rydberg atom-based electric-field probe for SI-traceable, self-calibrated mea- surements,

C. L. Holloway, J. A. Gordon, S. Jefferts,et al., “Broadband Rydberg atom-based electric-field probe for SI-traceable, self-calibrated mea- surements,” IEEE Trans. Antennas Propag.62, 6169–6182 (2014)

2014
[3]

Atom-based RF electric field metrology: from self-calibrated measurements to subwave- length and near-field imaging,

C. L. Holloway, M. T. Simons, J. A. Gordon,et al., “Atom-based RF electric field metrology: from self-calibrated measurements to subwave- length and near-field imaging,” IEEE Trans. Electromagn. Compat.59, 717–728 (2017)

2017
[4]

Electric field metrol- ogy for SI traceability: Systematic measurement uncertainties in elec- tromagnetically induced transparency in atomic vapor,

C. L. Holloway, M. T. Simons, J. A. Gordon,et al., “Electric field metrol- ogy for SI traceability: Systematic measurement uncertainties in elec- tromagnetically induced transparency in atomic vapor,” J. Appl. Phys. 121(2017)

2017
[5]

Rydberg atoms for radio- frequency communications and sensing: Atomic receivers for pulsed RF field and phase detection,

D. A. Anderson, R. E. Sapiro, and G. Raithel, “Rydberg atoms for radio- frequency communications and sensing: Atomic receivers for pulsed RF field and phase detection,” IEEE Aerosp. Electron. Syst. Mag.35, 48–56 (2020)

2020
[6]

Assessment of Rydberg atoms for wideband electric field sensing,

D. H. Meyer, Z. A. Castillo, K. C. Cox, and P . D. Kunz, “Assessment of Rydberg atoms for wideband electric field sensing,” J. Phys. B: At., Mol. Opt. Phys.53, 034001 (2020)

2020
[7]

Waveguide-coupled Rydberg spectrum analyzer from 0 to 20 GHz,

D. H. Meyer, P . D. Kunz, and K. C. Cox, “Waveguide-coupled Rydberg spectrum analyzer from 0 to 20 GHz,” Phys. Rev. Appl.15, 014053 (2021)

2021

Show all 36 references

[8]

Microwave elec- trometry with Rydberg atoms in a vapour cell using bright atomic resonances,

J. A. Sedlacek, A. Schwettmann, H. Kübler,et al., “Microwave elec- trometry with Rydberg atoms in a vapour cell using bright atomic resonances,” Nat. Phys.8, 819–824 (2012)

2012
[9]

Atom-based vector microwave electrometry using Rubidium Rydberg atoms in a vapor cell,

J. Sedlacek, A. Schwettmann, H. Kübler, and J. Shaffer, “Atom-based vector microwave electrometry using Rubidium Rydberg atoms in a vapor cell,” Phys. Rev. Lett.111, 063001 (2013)

2013
[10]

Two-photon microwave transitions and strong-field effects in a room-temperature Rydberg- atom gas,

D. Anderson, A. Schwarzkopf, S. Miller,et al., “Two-photon microwave transitions and strong-field effects in a room-temperature Rydberg- atom gas,” Phys. Rev. A90, 043419 (2014)

2014
[11]

Radio-frequency- modulated Rydberg states in a vapor cell,

S. A. Miller, D. A. Anderson, and G. Raithel, “Radio-frequency- modulated Rydberg states in a vapor cell,” New J. Phys.18, 053017 (2016)

2016
[12]

Optical measurements of strong microwave fields with Rydberg atoms in a vapor cell,

D. A. Anderson, S. A. Miller, G. Raithel,et al., “Optical measurements of strong microwave fields with Rydberg atoms in a vapor cell,” Phys. Rev. Appl.5, 034003 (2016)

2016
[13]

Atomic superheterodyne receiver based on microwave-dressed Rydberg spectroscopy,

M. Jing, Y . Hu, J. Ma,et al., “Atomic superheterodyne receiver based on microwave-dressed Rydberg spectroscopy,” Nat. Phys.16, 911–915 (2020)

2020
[14]

Enhancement of electromagnetically induced transparency based Rydberg-atom elec- trometry through population repumping,

N. Prajapati, A. K. Robinson, S. Berweger,et al., “Enhancement of electromagnetically induced transparency based Rydberg-atom elec- trometry through population repumping,” Appl. Phys. Lett.119(2021)

2021
[15]

Continuous-frequency mi- crowave heterodyne detection in an atomic vapor cell,

X.-H. Liu, K.-Y . Liao, Z.-X. Zhang,et al., “Continuous-frequency mi- crowave heterodyne detection in an atomic vapor cell,” Phys. Rev. Appl. 18, 054003 (2022)

2022
[16]

Rydberg microwave-frequency- comb spectrometer,

L.-H. Zhang, Z.-K. Liu, B. Liu,et al., “Rydberg microwave-frequency- comb spectrometer,” Phys. Rev. Appl.18, 014033 (2022)

2022
[17]

Deep learning enhanced Rydberg multifrequency microwave recognition,

Z.-K. Liu, L.-H. Zhang, B. Liu,et al., “Deep learning enhanced Rydberg multifrequency microwave recognition,” Nat. Commun.13, 1997 (2022)

1997
[18]

Enhanced metrology at the critical point of a many-body Rydberg atomic system,

D.-S. Ding, Z.-K. Liu, B.-S. Shi,et al., “Enhanced metrology at the critical point of a many-body Rydberg atomic system,” Nat. Phys.18, 1447–1452 (2022)

2022
[19]

High-efficiency coherent microwave-to-optics conversion via off-resonant scattering,

H.-T. Tu, K.-Y . Liao, Z.-X. Zhang,et al., “High-efficiency coherent microwave-to-optics conversion via off-resonant scattering,” Nat. Pho- tonics16, 291–296 (2022)

2022
[20]

Continuous broadband mi- crowave electric field measurement in Rydberg atoms based on the DC stark effect,

K. Ouyang, Y . Shi, M. Lei, and M. Shi, “Continuous broadband mi- crowave electric field measurement in Rydberg atoms based on the DC stark effect,” Appl. Phys. Lett.123(2023)

2023
[21]

Closed- loop quantum interferometry for phase-resolved Rydberg-atom field sensing,

S. Berweger, A. B. Artusio-Glimpse, A. P . Rotunno,et al., “Closed- loop quantum interferometry for phase-resolved Rydberg-atom field sensing,” Phys. Rev. Appl.20, 054009 (2023)

2023
[22]

Continuous wideband microwave-to-optical converter based on room-temperature Rydberg atoms,

S. Borówka, U. Pylypenko, M. Mazelanik, and M. Parniak, “Continuous wideband microwave-to-optical converter based on room-temperature Rydberg atoms,” Nat. Photonics18, 32–38 (2024)

2024
[23]

Approaching the standard quantum limit of a Rydberg-atom microwave electrometer,

H.-T. Tu, K.-Y . Liao, H.-L. Wang,et al., “Approaching the standard quantum limit of a Rydberg-atom microwave electrometer,” Sci. Adv. 10, eads0683 (2024)

2024
[24]

Improvement of response bandwidth and sensitivity of Rydberg receiver using multi-channel excitations,

J. Hu, Y . Jiao, Y . He,et al., “Improvement of response bandwidth and sensitivity of Rydberg receiver using multi-channel excitations,” EPJ QUANTUM TECHNOL10, 51 (2023)

2023
[25]

Rydberg-atom- based electrometry using a self-heterodyne frequency-comb readout and preparation scheme,

K. Dixon, K. Nickerson, D. W. Booth, and J. P . Shaffer, “Rydberg-atom- based electrometry using a self-heterodyne frequency-comb readout and preparation scheme,” Phys. Rev. Appl.19, 034078 (2023)

2023
[26]

Increased instantaneous bandwidth of Rydberg atom electrometry with an optical frequency comb probe,

A. B. Artusio-Glimpse, D. A. Long, S. M. Bresler,et al., “Increased instantaneous bandwidth of Rydberg atom electrometry with an optical frequency comb probe,” arXiv preprint arXiv:2402.17942 (2024)

2024 arXiv
[27]

Instantaneous bandwidth expansion of a gradient magnetic field-enhanced rydberg atomic receiver,

W. Qimeng, Q. An, and Y . Fu, “Instantaneous bandwidth expansion of a gradient magnetic field-enhanced rydberg atomic receiver,” IEEE Sensors J.25, 24045–24051 (2025)

2025
[28]

Highly sensitive microwave electrometry with enhanced instantaneous bandwidth,

B. Y ang, Y . Y an, X. Li,et al., “Highly sensitive microwave electrometry with enhanced instantaneous bandwidth,” Phys. Rev. Appl.21, L031003 (2024)

2024
[30]

Broadband Rydberg atomic microwave sensing with 44.6 MHz instantaneous bandwidth,

Y . Y an, X. Li, J. Wan,et al., “Broadband Rydberg atomic microwave sensing with 44.6 MHz instantaneous bandwidth,” (2026)

2026
[31]

High-frequency approximation for peri- odically driven quantum systems from a Floquet-space perspective,

A. Eckardt and E. Anisimovas, “High-frequency approximation for peri- odically driven quantum systems from a Floquet-space perspective,” New J. Phys.17, 093039 (2015)

2015
[32]

Floquet perturbation theory: formalism and application to low-frequency limit,

M. Rodriguez-Vega, M. Lentz, and B. Seradjeh, “Floquet perturbation theory: formalism and application to low-frequency limit,” New J. Phys. 20, 093022 (2018)

2018
[33]

The Floquet Engineer’s Handbook,

M. S. Rudner and N. H. Lindner, “The Floquet Engineer’s Handbook,” (2020)

2020
[34]

Dressed-state analysis of two-color excitation schemes,

T. K. Bracht, T. Seidelmann, Y . Karli,et al., “Dressed-state analysis of two-color excitation schemes,” Phys. Rev. B107, 035425 (2023)

2023
[35]

Resonant fluorescence of a bichromatically driven three-level atom with the electron shelving effect,

J.-y. Li and Y . Y ang, “Resonant fluorescence of a bichromatically driven three-level atom with the electron shelving effect,” Phys. Rev. A110, 053708 (2024)

2024
[36]

Atom localization via interference of dark resonances,

C. Liu, S. Gong, D. Cheng,et al., “Atom localization via interference of dark resonances,” Phys. Rev. A73, 025801 (2006)

2006

Pith tools

Reviewed August 1, 2026 · model on record in the stance chip above.

[1] [29]

Multi-dressed-state engineered Rydberg electrometry,

Y . Y an, B. Y ang, X. Li,et al., “Multi-dressed-state engineered Rydberg electrometry,” (2026)

2026

[2] [1]

Quantum information with Rydberg atoms,

M. Saffman, T. G. Walker, and K. Mølmer, “Quantum information with Rydberg atoms,” Rev. Mod. Phys.82, 2313–2363 (2010)

2010

[3] [2]

Broadband Rydberg atom-based electric-field probe for SI-traceable, self-calibrated mea- surements,

C. L. Holloway, J. A. Gordon, S. Jefferts,et al., “Broadband Rydberg atom-based electric-field probe for SI-traceable, self-calibrated mea- surements,” IEEE Trans. Antennas Propag.62, 6169–6182 (2014)

2014

[4] [3]

Atom-based RF electric field metrology: from self-calibrated measurements to subwave- length and near-field imaging,

C. L. Holloway, M. T. Simons, J. A. Gordon,et al., “Atom-based RF electric field metrology: from self-calibrated measurements to subwave- length and near-field imaging,” IEEE Trans. Electromagn. Compat.59, 717–728 (2017)

2017

[5] [4]

Electric field metrol- ogy for SI traceability: Systematic measurement uncertainties in elec- tromagnetically induced transparency in atomic vapor,

C. L. Holloway, M. T. Simons, J. A. Gordon,et al., “Electric field metrol- ogy for SI traceability: Systematic measurement uncertainties in elec- tromagnetically induced transparency in atomic vapor,” J. Appl. Phys. 121(2017)

2017

[6] [5]

Rydberg atoms for radio- frequency communications and sensing: Atomic receivers for pulsed RF field and phase detection,

D. A. Anderson, R. E. Sapiro, and G. Raithel, “Rydberg atoms for radio- frequency communications and sensing: Atomic receivers for pulsed RF field and phase detection,” IEEE Aerosp. Electron. Syst. Mag.35, 48–56 (2020)

2020

[7] [6]

Assessment of Rydberg atoms for wideband electric field sensing,

D. H. Meyer, Z. A. Castillo, K. C. Cox, and P . D. Kunz, “Assessment of Rydberg atoms for wideband electric field sensing,” J. Phys. B: At., Mol. Opt. Phys.53, 034001 (2020)

2020

[8] [7]

Waveguide-coupled Rydberg spectrum analyzer from 0 to 20 GHz,

D. H. Meyer, P . D. Kunz, and K. C. Cox, “Waveguide-coupled Rydberg spectrum analyzer from 0 to 20 GHz,” Phys. Rev. Appl.15, 014053 (2021)

2021