Two-frequency amplification in a semiconductor tapered amplifier for cold atom experiments<xref rid="cpb_27_9_094201fn1" ref-type="fn">*</xref><fn id="cpb_27_9_094201fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant No. 61473166).</p></fn>

Two-frequency amplification in a semiconductor tapered amplifier for cold atom experiments**

Project supported by the National Natural Science Foundation of China (Grant No. 61473166).

Meng Zhi-Xin, Li Yu-Hang, Feng Yan-Ying^†

(color online) The TA output power ratio versus the input power ratio, with a frequency difference of 6.588 GHz. Experimental data (black squares), calculated data (red dots), and the corresponding linear fitting (black solid line and red dashed line, respectively) agree well with each other.