High-Speed Spiking and Bursting Oscillations in a Long-Delayed Broadband Optoelectronic Oscillator
Why this work is in the frame
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Bibliographic record
Abstract
We investigate the generation of high-speed spiking and bursting signals in a long time-delayed broadband optoelectronic oscillator (OEO). The OEO is configured in a delayed feedback loop employing a long optical fiber delay line and other elements including a tunable laser, a phase modulator (PM) and a linearly chirped fiber Bragg grating (LCFBG), a photodetector, and an electrical amplifier. The joint operation of the PM and the LCFBG forms an ultrawideband microwave photonic filter (MFP). Taking advantage of the multiple time scales arising from the MPF and the long optical fiber delay line, we are able to generate subnanosecond neuron-like spiking and bursting signals that emulate the response found to be the primary mode of electrical firing in biological neurons. Since our OEO can operate at a much higher speed and can be controlled using both time-delayed feedback employing low-loss optical fiber and electrical/optical injection locking techniques, it has interest in emerging photonics applications such as neuromorphic information processing and reservoir computing tasks.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| 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