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A silicon micro-ring resonator is used to enhance the modulation speed of a 10-Gbit/s directly modulated laser to 40 Gbit/s. The generated signal is transmitted error free over 4.5 km SSMF. Dispersion tolerance is also studied.
A novel microwave photonic filter with tap increasing and negative coefficients is proposed and experimentally demonstrated. The negative coefficient is achieved by employing a phase modulator, while the tap increasing is based on double-pass modulation of a Mach-Zehnder modulator (MZM). The experimental results demonstrated that stable five-tap bandpass filter characteristics can be obtained by using...
We demonstrate simultaneous demodulation of multiple 40 Gbit/s WDM NRZ-DPSK channels using a single silicon microring resonator with FSR of 100 GHz. Bit error measurements show very good performances for both through and drop demodulations for all channels.
We demonstrate RZ-to-NRZ format conversion at 50 Gbit/s based on silicon microring resonator with FSR of 100 GHz. Bit error rate measurements show a low power penalty compared to electrical NRZ signal for error free operation.
A tunable single-bandpass microwave photonic filter with high Q-factor or flat-top shape is proposed and experimentally demonstrated. The filtering response with variable shape is achieved by carefully matching the transfer functions of two cascaded structures.
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