High-Precision Highly Integrated Optical Frequency Comb
Shandong Jiliang's high-precision optical frequency comb has independent intellectual property and domestic manufacture. All-PM NALM mode locking, low-noise carrier-envelope-offset detection and precision phase-locked loops automatically lock repetition and carrier-envelope-offset frequencies for long-term stable operation. Optical- or RF-reference locking offers high bandwidth and strong environmental immunity. A3U standard chassis integrates optics/electronics, with fully automated one-button startup requiring no intervention. Optional customized modules support optical-frequency measurement and referencing over 500nm-2000nm. Under optical-reference phase locking, phase continuity is maintained without cycle slips at 1.5g vibration, and locking remains good under severe external shocks. Related technology won the top award in the second National Disruptive Technology Innovation Competition and third prize in Shandong's high-value patent cultivation competition for conversion of growth drivers. Strict intracavity dispersion management produces stable broadband spectra and pulses shorter than 50fs. A proprietary controller avoids coupling between repetition-rate and offset-frequency loops, combining high-bandwidth locking with automatic stable long-term operation. With an optical reference, stability is better than 1E-17@1s and long-term E-21; with RF reference, 1E-14@1s and 2E-17@10000s. Applications include physical-constant measurement, optical-clock comparisons, precision spectroscopy and precise time/frequency transfer.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Center wavelength | 1550nm |
| Spectral range | >40nm |
| Pulse width | <50fs |
| Comb-Tooth Spacing [Customizable] | 200MHz(customizable) |
| Output Power | >200mW |
| Number of Output Channels [Customizable] | >2 Channel （ Customizable ） |
| Optical Output Interface Configuration | Single-mode Polarization-maintaining Optical fiber Output ，FC/APC |
| Comb-Tooth Linewidth [After phase locking to an ultrastable laser; limited by the spectrum analyzer resolution bandwidth.] | <1 Hz after phase locking to an ultrastable laser, limited by spectrum-analyzer resolution bandwidth |
| Repetition Rate Tuning Range | ±2kHz |
| Repetition-Rate Control Bandwidth | >500kHz |
| Carrier-Envelope Frequency Signal-to-Noise Ratio [100kHz RBW] | >45dB at 100kHz RBW |
| Carrier-Envelope Frequency Tuning Range | >200MHz |
| Carrier-Envelope Frequency Control Bandwidth | >200kHz |
| Carrier-Envelope Frequency Integrated Phase Noise [100Hz~2MHz] | <100mrad（100Hz~2MHz） |
| Additional Stability [Optical-frequency reference; 1s; 10000s; @1s, 2E-20@10000s (optical-frequency reference)] | Better than 1E-17@1s and 2E-20@10000s (optical-frequency reference) |
| Additional Stability [RF reference; 1s; 10000s; @1s, 2E-17@10000s (RF reference)] | 1E-14@1s, 2E-17@10000s (RF reference) |
| Vibration Resistance [10Hz-50Hz] | >1.5g（10Hz-50Hz） |
Applications
Key Features
Datasheet
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