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We demonstrate for the first time a graphene-based passively Q-switched Tm3+:ZBLAN all-fiber laser at 1480 nm. Pulses with a duration of ∼ 9 µs, repetition rate of 29.9 kHz, and energy up to 447.16 nJ are obtained.
We demonstrate error-free wavelength conversion of 16-QAM 28-GBaud (112 Gb/s) signals and 1-to-6 wavelength multicasting of 16-QAM 22-GBaud (6×88 Gb/s) signals based on four wave mixing in a dispersion engineered silicon nanowire.
We analyze the effects of pump settings and cavity designs of a mode-locked fiber optical parametric oscillator on the characteristics of the output pulses. Pulse generation at different repetition rates are demonstrated and characterized.
We demonstrate an approach based on a nonlinear optical loop mirror for generating and multicasting UWB signals. Five channels, including 1 monocycle and 4 doublet pulses, are generated from a single Gaussian optical pulse.
We demonstrate a wavelength tunable mode-locked semiconductor fiber laser at 40 GHz and 80 GHz using nonlinear polarization rotation. The laser can generate picosecond pulses with a timing jitter as low as 260 fs.
We demonstrate 40 – 200 GHz pulse train generation in a harmonic and rational harmonic mode-locked fiber optical parametric oscillator (FOPO). We characterize the tuning range and the corresponding pulse characteristics of the FOPO.
We experimentally demonstrate reconfigurable switching of four 10-Gb/s tributary channels of 40-Gb/s data using a programmable planar lightwave circuit and nonlinear wavelength conversion. Our device is a silica-on-silicon based 6-stage lattice-form Mach-Zehnder interferometer.
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