| MI | Microwave power of LO (Vπ = 4.5 V) | Power penalty of optical system | Power compensation of optical amplifier |
| 3.999 | 37 dBm | −19 dB | 15 dB |
| 2.672 | 34 dBm | −39 dB | 35 dB |
| 2.405 | 33 dBm | −44 dB | 40 dB |
| 2.265 | 32 dBm | −49 dB | 45 dB |