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We experimentally demonstrate simultaneous 3R regeneration of 4 40-Gbit/s WDM channels, which is based on the four-wave mixing (FWM) in a single dispersion-shifted fiber. The multichannel 3R regeneration performance is validated by bit-error rate (BER) measurements. Receiver powers at a BER of are improved by 5.2 dB, 4.8 dB, 3.3 dB, and 3.9 dB for the four WDM channels, respectively...
A novel scheme to realize all-optical logic gates is proposed bases on nonlinear polarization rotation (NPR) in high nonlinear fiber (HNLF). Two optical signals A and B with return-to-zero data format are injected into the HNLF together with a continuous wave C. Thanks to the optical power variation in HNLF, nonlinear birefringence will be induced between the two polarization axes. Thus it results...
A novel approach is proposed to reduce the cross phase modulation between multiple clock pump in the multi-wavelength optical decision based optical fiber parametric amplifier. The dispersive media is used to preprocess the pump clock, and then the clock pump is changed from intensity modulation into phase modulation. In our experiment, cross phase modulation is obviously restrained between the adjacent...
An all-optical regenerator based on single pump fiber-optic parametric amplifier (FOPA) is demonstrated and assessed experimentally. The static power transfer function of the FOPA is measured, and a clear saturation behavior is observed with the saturation much easier to achieve at a larger the pump power. The regenerator performance is further investigated by changing parameters of the input signal...
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