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We propose a system for the error-free changing of optical-access-line routes using delay lines with ringbuffer memories. The approach allows adjustment within 20km at a speed of about 487m/s with no impact on transmission quality.
We realize a 32-channel InP-based arrayed-waveguide grating (AWG) with a 5-GHz channel spacing. The AWG shows approximately 14 dB excess-loss, 9 dB crosstalk, and 21 times 22 mm2 dimensions.
We demonstrate for the first time the phase-error compensation for a 20-GHz-spacing InP AWG with electro-optic phase shifters placed on 42 arrayed waveguides. The experiment results show successful phase control and 6-dB reduction of crosstalk.
This paper demonstrates precise line-by-line optical pulse shaping using an arrayed-waveguide grating (AWG) pair and optical combs. Cross-correlation frequency-resolved-optical-gating characterized complex fields of arbitrary waveforms with phase errors less than ?? 0.02 rad.
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