The output power of linear-polarized single-mode laser has reached 4.38 mW, and the spectrum line width is of the order of kilohertz. They are perfect coherent sonrces for optical fiber communication.

• 单模线偏振输出的激光器的功率已达到4.；38毫瓦；光谱线宽为千赫量级；它适用于光纤通信领域。