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单色性是激光的重要特性。在激光器中加入选频元件,可以获得单纵模的激光输出,这样的激光也被称为单频激光。目前已经有很多商用化的技术可以用来产生单频激光,单频激光对推动科学研究以及光通信等产业起了决定性的作用。光学微腔激光器是可以芯片化制作的微小激光器,是光子芯片不不可或缺的光源。基于全反射约束机制的回音壁模式光学微腔激光器由于高品质因子等优点受到
Monochromaticity is an important property of lasers. The addition of a frequency selective element to the laser gives the laser output of a single longitudinal mode, also known as single frequency laser. There are already many commercial technologies that can be used to generate single-frequency laser. Single-frequency laser has played a decisive role in promoting scientific research and optical communications industries. Optical microcavity laser chip can be made of micro-laser production, photonic chip is not an indispensable source of light. Echo-wall mode optical microcavity laser based on total reflection constraint mechanism is favored due to high quality factor