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) Relative powers of the beat signals for different input power ratios. The frequency difference is δ = 10 MHz and the total input power is 30 mW.