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) Experimental setup. L, diode laser; MTS, modulation transfer spectroscopy; SAS, saturated absorption spectroscopy; λ/2, half-wave plate; PBS, polarization beam splitter; FC, fiber coupler; TA, tapered amplifier; OI, optical isolator; FPI, Fabry–Perot interferometer.