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In this work the phase sensitive properties of a dual pump phase sensitive amplifier based on a bi-directional periodically poled lithium niobate are numerically and experimentally investigated.
We investigate phase-sensitive operation at telecommunication wavelengths in periodically-poled lithium-niobate waveguides, measuring a record phase-dependent dynamic range of 14.5 dB with 5-dB phase-sensitive gain, compared to phase-insensitive operation. We also highlight limitations arising at high pump powers from green light emission and thermal instability which limits performance compared with...
We demonstrate, for the first time, the experimental implementation of a gain flattening technique based on the hybrid genetic algorithm. The results were confirmed in a 4 pump Raman system, with an experimental gain ripple of 0.24 dB.
We demonstrated two types of implementation of burst-mode amplifier for WDM. Both amplifiers successfully maintained gain flatness in spite of dynamic change of input power according to traffic density. Noise figure and cost was trade-off.
Error free pulse format conversion from return to zero 2 ps pulses to non return to zero at 10 Gbit/s is achieved by exploring the properties of a semiconductor optical amplifier with integrated saturable absorber.
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