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We show that the non-reciprocity of traveling-wave electrodes can efficiently impress phase modulation onto the reflected upstream signals only. Monolithically integrated transceivers may thus remodulate downstream signals for upstream data transmission without needing optical circulators.
We use the cost-effective APM technique to increase the non-linear tolerance of NRZ-OOK, and we demonstrate, in a recirculating loop experiment, the transmission over 2800 km SSMF of 16 NRZ-OOK 40 Gb/s channels with 100 GHz spacing.
We present optical ultrawideband doublet generation from NRZ-DPSK signals based on a length of SMF. The generated ultrawideband spectra using 25 km SMF and 15 km SMF are analyzed contrastively.
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