A photonic platform based polarization controller for providing a fixed target polarization of an input optical beam having first and second orthogonal polarization components, the polarization controller comprising: a polarization rotator splitter for splitting the input optical beam into first and second feeds (1010,1020), respectively, wherein the first and second feeds (1010,1020) have a same fixed state of polarization; a first phase shifter coupled to the PRS for providing a first optical phase delay between the first and second feeds (1010, 1020) based on a first control signal, and a first mixer coupled to the first phase shifter for mixing the first and second feeds (1010,1020) having the first optical phase delay therebetween, to provide two output signals; a second phase shifter coupled to the first mixer for providing a second optical phase delay for a received signal based on a second control signal, and a second mixer coupled to the second phase shifter and the first mixer, and the second mixer configured to mix an output signal of the second optical phase shifter and another received signal of the second mixer having the second optical phase delay therebetween, to provide at least one optical beam, a third phase shifter coupled to the first mixer for providing a third optical phase delay between the two output signals based on a third control signal, and an third mixer coupled to the third phase shifter and the first mixer, and the third mixer configured to mix an output signal of the third optical phase shifter and another received signal of the third mixer having the third optical phase delay therebetween, to provide at least one optical beam to the second mixer. a polarization rotator splitter for splitting the input optical beam into first and second feeds (1010,1020), respectively, wherein the first and second feeds (1010,1020) have a same fixed state of polarization; a first phase shifter coupled to the PRS for providing a first optical phase delay between the first and second feeds (1010, 1020) based on a first control signal, and a first mixer coupled to the first phase shifter for mixing the first and second feeds (1010,1020) having the first optical phase delay therebetween, to provide two output signals; a second phase shifter coupled to the first mixer for providing a second optical phase delay for a received signal based on a second control signal, and a second mixer coupled to the second phase shifter and the first mixer, and the second mixer configured to mix an output signal of the second optical phase shifter and another received signal of the second mixer having the second optical phase delay therebetween, to provide at least one optical beam, a third phase shifter coupled to the first mixer for providing a third optical phase delay between the two output signals based on a third control signal, and an third mixer coupled to the third phase shifter and the first mixer, and the third mixer configured to mix an output signal of the third optical phase shifter and another received signal of the third mixer having the third optical phase delay therebetween, to provide at least one optical beam to the second mixer.