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This paper proposes a novel optical sampling technique for monitoring ultrafast signal waveforms. The dual-channel sampling system, which employs two parallel interferometers offset by a slight relative delay, enables us to observe not only intensity but also phase (frequency) modulation without any restriction as regards signal coherence. The proposed method, based on linear interaction with local...
With a 16-arm AWG with amplitude and phase modulators on each arm we generate arbitrary filters and perform dispersion compensation of 2.5-ps pulses across 53 km of field fibre.
We demonstrate a high-performance waveform shaper based on a 64-channel, 10-GHz silica arrayed-waveguide grating with loop-back channels and integrated amplitude and phase modulators. The design allows wavelength-matched demultiplexing and multiplexing in the compact waveform shaper.
We demonstrate an optical packet routing system with optical-label switching and 2R regeneration by combining tunable lasers, cross-phase modulation wavelength conversion, arrayed waveguide grating routers, and gain-clamped erbium-doped fiber amplifier
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