We investigate the behaviors of the lasers when the birefringence is introduced into the cavity. Pulses with dual polarization states are generated and polarization switching of the mode-locked pulses is observed. Pulse drop out and sub-harmonic mode locking due to mode competition are also reported.
We present the MatlabTM Simulink model and its corroboration with experimental transmission of amplitude and differential phase modulation incorporating RZ, NRZ, carrier suppressed RZ formats over 320 km long-haul optical fibre transmission systems. Dispersion tolerance of the transmission systems under non-compensation and compensated transmission fibres is given. Simulated and measured eye diagrams are reported.I.
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