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We demonstrate the utilization of the optical Fourier transform technique for serial-to-parallel conversion of 64×10-GBd OTDM data tributaries with complex modulation formats into 50-GHz DWDM grid without loss of phase and amplitude information.
Simultaneous all-optical wavelength conversion of an 80-Gb/s return-to-zero differential quadrature phase shift keying (RZ-DQPSK) data signal and a 40-Gb/s return-to-zero ON--OFF keying (RZ-OOK) data signal using a Ti:PPLN waveguide in a polarization-diversity loop configuration are demonstrated. The wavelength conversion is fully transparent to polarization, data rate, modulation format, and modulation...
We investigate the performance of a free-space DLI integrated receiver for 43 Gbaud/s NRZ-DQPSK. The DGD tolerance (1dB penalty) is quantified at 47% of the baudrate, and the DLI phase tolerance (1dB penalty) at ±5°, far exceeding the PDFS.
All-optical combination of 160-Gb/s DPSK and OOK signals into a 320-Gb/s DQPSK signal is demonstrated using highly-nonlinear fibers. A polarization-insensitive optical parametric limiter enabled error-free combination operation midway in a 200 km fiber link.
We have generated single-wavelength channel 8-PSK and 16-QAM RZ-data signals up to 5.1 Tb/s and subsequently extracted the time-division base rate channel using an ultrafast coherent receiver with time-division demultiplexing function and digital BER post-processing.
All-optical wavelength conversion of an 80 Gb/s RZ-DQPSK signal is demonstrated for the first time based on four-wave mixing in a semiconductor optical amplifier. Error-free operation is successfully obtained.
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