Overcoming synthesizer phase noise in quantum sensing
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
Synthesizers are widely used in various quantum information platforms as microwave or radio frequency signal sources. The synthesizer phase noise plays a sensitive role in spin dynamics, which is similar to the environment dephasing. When using spins to measure an environment magnetic field, synthesizer phase noise reduces the accuracy of the measurement because it is difficult to distinguish the effective field caused by the phase noise and the environment field. Suppressing the synthesizer phase noise is important in sensing. This work proposes a scheme to suppress the phase noise from synthesizers using two single-spin systems in opposite static magnetic fields. The two spins are exposed to the same environment magnetic field, which is to be sensed and controlled by the same synthesizer. Two configurations of the scheme are constructed: one uses two antennas for control and detection and the other uses one antenna. Because the two spins experience the phase noise in opposites ways, the phase noise effect can be either canceled or separated from that of the environment field. Nuclear magnetic resonance platform is used to experimentally simulate the sensing process using the one-antenna configuration. The experiment successfully eliminate the phase noise from sensing.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it