Laser cooling has established an experimental platform for studying physical problems in quantum optics, quantum information and quantum simulation. In the process of cooling neutral atoms, in order to simplify the experimental equipment and obtain a large number of cold atoms, semiconductor tapered amplifiers (TApered Amplifier, TA) are currently commonly used laser tools. When laser components of multiple frequencies are injected into the semiconductor tapered amplifier at the same time, multiple frequency sidebands are generated due to the nonlinear effect of the solid material. Studying the properties of these sidebands and their impact on laser cooling can better control the interaction between light and atoms, increase the number of trapped atoms, and prepare conditions for the realization of quantum degenerate gas. The supercooled quantum system research group led by Jiang Kaijun, a researcher at the Wuhan Institute of Physics and Mathematics of the Chinese Academy of Sciences, simultaneously injects two frequency components into a semiconductor cone amplifier during the simultaneous cooling of multiple atoms. Using the heterodyne method and the Fabry-Perot interferometer to measure the sideband frequency components, the dependence of the sideband generation effect on the frequency difference of the dual-frequency laser, the power injected into the laser, and the operating current of the amplifier chip is obtained. In the cooling experiment of potassium atoms, the cooling light and the pump-back light are simultaneously injected into the semiconductor cone amplifier. For potassium 41, the frequency difference between the two lasers is small (254MHz), and the number of trapped atoms is reduced by an order of magnitude due to the sideband effect; for potassium 40, the frequency difference between the two lasers is large (1.3GHz), the sideband effect is small, which is The number of atoms has no significant effect. This study shows that the sideband effect in semiconductor tapered amplifiers has a significant effect on laser cooling. The research paper was published in the Optics Letters (38, 1161, 2013) of the American Optics Society. The research was supported by the "Hundred Talents Program" of the Chinese Academy of Sciences, the National Natural Science Foundation Youth Fund and the "973 Program" of the Ministry of Science and Technology. 1800W Hair Dryer,1800W Professional Hair Dryer,Ionic Hair Dryer Zhejiang Hisun Electrical Appliance Co.,Ltd , https://www.cn-hisun.com