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We present an AlGaAs-on-insulator platform for integrated nonlinear photonics. We demonstrate the highest reported conversion efficiency/length/pump-power, ultra-broadband four-wave mixing, and first-ever wavelength conversion of 1.28-Tbaud serial data signals in a 3-mm long dispersion-engineered AlGaAs nano-waveguide.
We demonstrate polarisation-insensitive parametric amplification in highly nonlinear fibre of a 2.048-Tbit/s dense WDM PDM 16-QAM signal with ∼10 dB on-off gain and simultaneous wavelength conversion and phase conjugation, with mean Q2 penalties of only 0.6 dB and 0.4 dB.
We experimentally demonstrate self-phase modulation based all-optical regeneration of a 40 Gbit/s serial data signal in a silicon nanowire. Bit error rate characterization shows 2 dB receiver power improvement.
We describe recent demonstrations of exploiting highly nonlinear silicon waveguides for ultrafast optical signal processing. We describe wavelength conversion and serial-to-parallel conversion of 640 Gbit/s data signals and 1.28 Tbit/s demultiplexing and all-optical sampling.
We experimentally demonstrate broadband polarization-insensitive one-to-two wavelength conversion of a 10-Gb/s DPSK data signal based on non-degenerate four-wave mixing in a silicon nanowire with bit-error rate measurements.
All-optical wavelength conversion of a 320 Gb/s line-rate RZ-OOK signal is demonstrated based on four-wave mixing in a 3.6 mm long silicon nanowire. Bit error rate measurements validate the performance within FEC limits.
We describe recent demonstrations of exploiting highly nonlinear silicon nanowires for processing Tbit/s optical data signals. We perform demultiplexing and optical waveform sampling of 1.28 Tbit/s and wavelength conversion of 640 Gbit/s data signals.
We report on all-optical wavelength conversion of 160, 320 and 640 Gbit/s line-rate data signals using four-wave mixing in a 3.6 mm long silicon waveguide. Bit error rate measurements validate the performance within FEC limits.
All-optical wavelength conversion for a 320 Gb/s RZ-DPSK signal is demonstrated based on four wave mixing in a silicon nanowire. BER better than 10-9 is achieved for the wavelength converted RZ-DPSK signal.
We present a tunable wavelength conversion of sub-picosecond pulses based on four-wave mixing in a dispersion engineered silicon nanowire. A 100-nm tuning range of the converted wavelength is demonstrated with an almost constant conversion efficiency.
We present WDM multicasting based on non-degenerate four-wave mixing in a silicon nanowire. A one-to-six phase-preserving wavelength multicasting of 10 Gb/s differential phase-shift-keying data is experimentally demonstrated with bit-error rate measurements.
We demonstrate conversion from 64×10 Gbit/s OTDM to 25 GHz DWDM by time-domain optical Fourier transformation. Using a single silicon nanowire, 40 of 64 OTDM tributaries are simultaneously converted to DWDM channels within FEC limits.
All-optical wavelength conversion for single wavelength channel 1.28-Tb/s polarisation multiplexed RZ-DPSK signals was demonstrated using a 100-m polarisation-maintaining highly nonlinear fibre (PM-HNLF). Error free performance for the converted signal was achieved.
Recent progress of wavelength conversion and all-optical signal processing in periodically poled lithium niobate (PPLN) waveguides is reported. Applications for optical communications in the near-infrared, as well as for tuneable absorption spectroscopy in the mid-infrared are highlighted. Novel waveguide structures and fabrication methods are presented.
Polarization insensitive 320 Gb/s RZ-DQPSK single channel wavelength conversion was demonstrated using a Ti:PPLN-waveguide as all-optical wavelength converter in a bidirectional mode of operation. Error free performance of the converted signal was achieved.
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