To ensure high-fidelity performance in quantum applications, our 2-μm narrow linewidth single-frequency lasers undergo various noise characterization. The following data highlights the spectral purity and long-term reliability of our laser.
Frequency Noise
This plot illustrates the Frequency Noise Power Spectral Density across a broad Fourier frequency range. The noise floor is Benchmark-tested against 3 kHz and 50 kHz Lorentzian linewidth.
Relative Intensity Noise (RIN)
While fiber lasers often exhibit higher RIN compared to DFB or ECL sources, we have specifically engineered our 2-μm single-frequency laser to suppress these fluctuations and achieve best-in-class RIN performance for a fiber-based architecture.
Frequency Locking over 32 hours
Our 32-hour stability test demonstrates the system’s resistance to frequency drift by comparing free-running and locked states. In the PDH (Pound-Drever-Hall) open-loop period, the laser reflects natural frequency fluctuations driven by the environment, while the closed-loop data shows a rigid frequency lock with minimal deviation maintained over a 12-hour period.
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