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WDM signal degradation from pump phase-modulation in a one-pump 20dB net-gain fibre optical parametric amplifier is experimentally and numerically characterised for the first time using 10×59Gb/s QPSK signals.
Polarization diverse optical phase conjugation of a 1THz spectral-band 1.14Tb/s DP-QPSK WDM multiplex is demonstrated for the first time, showing a worst case Q2 penalty of 0.9dB over all conjugate wavelengths, polarizations and OSNR.
We demonstrate that a combination of Raman laser based amplification and optical phase conjugation enables transmission beyond the nonlinear-Shannon limit. We show nonlinear compensation of 7×114Gbit/s DP-QPSK channels, increasing system reach by 30%.
We report an experimental characterisation examining the impact of differing 50Hz neighbouring modulation formats and bit rates on the performance of 43Gb/s P-DPSK over 1300km of SSMF and LEAFTM fibre types. Performance is shown to be robust for hybrid P-DPSK and OOK systems.
Summary form only given. This paper describes a novel technique whereby a mixture of cross-phase and cross-gain modulation effects in a birefringent semiconductor optical amplifier (SOA) for WDM causes polarization rotation of a cw probe beam in the presence of a signal pulse, enabling the transmission of the probe through a polarizer to be controlled.
This paper describes for the first time the demonstration of an optical cross-connect able to space switch and wavelength convert using a single integrated photonic device. Wavelength conversion, switching and routing have been simultaneously demonstrated at data rates of 1 Gb/s and 2 Gb/s respectively.
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