Phase Modulation is a modulation technique used in telecommunications and signal processing to encode information in the phase of a carrier wave. In phase modulation, the instantaneous phase of the carrier signal is varied in proportion to the instantaneous amplitude of the modulating signal (the message signal).


A Dispersion Managed Phase Only Modulation 18 GHz Optoelectronic Oscillator

In this manuscript, we propose and experimentally demonstrate a dispersion-controlled optoelectronic oscillator with phase only modulator at 18 GHz. The generated microwave signal has a phase noise of −108 dBc/Hz at 10 kHz offset frequency and the integrated timing jitter is calculated to be 16.2 fs (1 kHz to 100 MHz) and 20 fs (1kHz to Nyquist).