This product is a high-performance 1560 nm wavelength laser with an output power of up to 2 W, integrating a DFB seed laser source and EDFA amplification technology. The seed source operates with a typical current of 100 mA, featuring low power consumption and excellent wavelength stability at 1560.05 nm.With a polarization extinction ratio (PER) of up to 20.7 dB, the laser provides excellent polarization performance, while also offering a 2 nm tuning range. The measured laser linewidth is only 63.922 kHz, demonstrating ultra-narrow spectral characteristics.This laser is ideally suited for applications such as fiber sensing, coherent communication, and high-precision optical spectroscopy measurements.