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A RZ-DPSK transmitter is assembled applying a phaseCOMB laser as compact and spectrally efficient carved source. System performance is evaluated at 40 Gbit/s and error free transmission over 160 km standard single-mode fibre is demonstrated
We analyze the impact of intensity fluctuations on the jitter of a 40 GHz self-pulsating laser. A jitter reduction from 1.7 ps to 600 fs due to intensity-noise suppression is demonstrated for locking to 40 Gb/s.
We designed and fabricated arrayed-waveguide grating (AWG) modules with thermoelectric coolers/heaters. At these modules we measured the optical fiber-chip coupling loss and the optical reflections. Further we investigated the temperature stability of the center wavelengths. The fabricated AWGs had 8 and 16 channels, respectively, with a spacing of 0.8 nm (100 GHz) at 1540 nm center wavelength. The...
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