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In this letter, a self-oscillating triangular waveform generator based on an optoelectronic oscillator (OEO) was demonstrated. As a result, 5.35 GHz full-duty-cycle triangular pulse trains were generated via a phase modulator cascaded with a Mach-Zehnder interferometer. Microwave signals were also generated with phase noise of −124dBc/Hz at 10 kHz offset.
A synchronously pumped picosecond fiber-optical parametric oscillator was demonstrated with fixed pump wavelength and with a 50-m highly nonlinear dispersion-shifted fiber as parametric gain medium. Time-dispersion-tuning offered a continuously wavelength tuning range as wide as 150 nm from 1413 to 1478 nm and from 1610 to 1695 nm with a pulsewidth of 10 ps.
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