Third order intermodulation distortion in a 360° microwave photonic phase shifter based on slow light cascaded SOAs

In this work we evaluate dynamic range degradation in a Slow Light cascaded SOA-based stages microwave phase shifter when tuning the induced phase shift. The fundamental signal and third order intermodulation distortion have been evaluated at both the phase shifter input and output attending this purpose. Results show a slight degradation when the phase shift is tuned from the minimum to the maximum value.