401969.fig.0010
Figure 10: Diagram of a regeneratively modelocked fiber optic parametric oscillator using an EAM optoelectronic oscillator for generating short optical pulses with low phase noise. EDFA: erbium-doped fiber amplifier, PD: photodiode, EAM: electro-absorption modulator, EBF: electrical bandpass filter, OBF: optical bandpass filter, MUX: optical wavelength multiplexer, DEMUX: optical wavelength demultiplexer.