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). |
(color online) TA output power ratio as a function of the input power ratio with a frequency difference of 1 GHz, 3 GHz, 5 GHz, 7 GHz, and 9 GHz. The total injection power is 30 mW. |