To ensure high-fidelity performance in quantum applications, our 2-μm fiber amplifiers undergo various noise characterization to verify their performance relative to the seed source. The data plots below demonstrate that our amplification process introduces no measurable additive noise, preserving spectral purity and long-term reliability of the system.
Frequency Noise
This plot illustrates the Frequency Noise Power Spectral Density across a broad Fourier frequency range from 10 Hz to 100 kHz. The data represents a typical 5 W amplifier performance using our 2-µm seed laser. The result demonstrates that the amplifier introduces no measurable additive phase noise to the seed input.
Relative Intensity Noise (RIN)
While fiber-based systems often exhibit higher RIN compared to DFB or ECL sources, we have specifically engineered our 2-µm single-frequency architecture to suppress these fluctuations. Our characterization results demonstrate that the 2-µm amplifier maintains this best-in-class performance by introducing no measurable additive RIN to the seed input throughout the amplification stage.
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