An optical receiver comprising: an optical resonator having first and second outputs and configured to receive an optical signal, to accumulate resonant optical signal energy, and to emit first output optical signal energy from the first output and second output optical signal energy from the second output, wherein in response to a variation in the received optical signal corresponding to a modulation of the optical signal, the optical resonator is configured to disrupt the first output optical signal energy and the second output optical signal energy to convert the modulation of the optical signal into an intensity modulation of the first output optical signal energy and the second output optical signal energy; a first detector positioned to receive the first output optical signal energy and detect the intensity modulation of the first output optical signal energy; and a second detector positioned to receive the second output optical signal energy and detect the intensity modulation of the second output optical signal energy; characterized in that the optical receiver further comprises; a third detector; and a first beamsplitter interposed between the first output and the first detector and between the first output and the third detector, wherein the first beamsplitter is configured to split the first output optical signal energy into a first portion having a first polarization and a second portion having a second polarization orthogonal to the first polarization, and wherein the first beamsplitter is configured to direct the first portion of the first output optical signal energy to the first detector and direct the second portion of the first output optical signal energy to the third detector. an optical resonator having first and second outputs and configured to receive an optical signal, to accumulate resonant optical signal energy, and to emit first output optical signal energy from the first output and second output optical signal energy from the second output, wherein in response to a variation in the received optical signal corresponding to a modulation of the optical signal, the optical resonator is configured to disrupt the first output optical signal energy and the second output optical signal energy to convert the modulation of the optical signal into an intensity modulation of the first output optical signal energy and the second output optical signal energy; a first detector positioned to receive the first output optical signal energy and detect the intensity modulation of the first output optical signal energy; and a second detector positioned to receive the second output optical signal energy and detect the intensity modulation of the second output optical signal energy; characterized in that the optical receiver further comprises; a third detector; and a first beamsplitter interposed between the first output and the first detector and between the first output and the third detector, wherein the first beamsplitter is configured to split the first output optical signal energy into a first portion having a first polarization and a second portion having a second polarization orthogonal to the first polarization, and wherein the first beamsplitter is configured to direct the first portion of the first output optical signal energy to the first detector and direct the second portion of the first output optical signal energy to the third detector. a third detector; and a first beamsplitter interposed between the first output and the first detector and between the first output and the third detector, wherein the first beamsplitter is configured to split the first output optical signal energy into a first portion having a first polarization and a second portion having a second polarization orthogonal to the first polarization, and wherein the first beamsplitter is configured to direct the first portion of the first output optical signal energy to the first detector and direct the second portion of the first output optical signal energy to the third detector.