Quantum communication is a new communication mode based on quantum entanglement effect for information transmission. Compared with the traditional communication mode, quantum communication has an overwhelming advantage in security and efficiency. Quantum communication has the characteristics of high efficiency and absolute security, so quantum communication has great application value and prospect in information security fields such as national security and finance. The development and construction of practical quantum communication network has become the strategic demand of modernization and national defense development. High performance single frequency laser is the core component of quantum communication equipment. The performance of single frequency laser determines the performance of quantum communication equipment. Single-frequency fiber lasers for applications in quantum communication devices, laser gyro, fiber sensing and lidar are gaining market share. The laser is based on the main oscillation power amplification structure, and takes the semiconductor single frequency laser as the seed source. The power amplification of the seed laser is carried out by using a two-stage fiber amplifier to achieve high power (2.3W), mode-skipping, single frequency fiber laser output.

Polarization control is very important in the production process of single frequency fiber laser. Special polarization-maintaining fiber fusion splicer machine is needed in fiber splicing. Shinho S-12PM can be applied to all kinds of polarizing fiber splicing, and the skew crosstalk index is very good. Specific content can leave your contact information, we look forward to communicating with you.