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We experimentally demonstrate a power-efficient ultrawideband (UWB) generation scheme using an electro-optic phase modulator. The generated UWB pulses are fully Federal Communication Commission compliant with high power efficiency of 52.6%. Furthermore, 2-Gbit/s on-off keying modulated modified UWB triplet signals are transmitted over 20 km optical fiber link without any obvious spectra or pulse shape...
A novel linearized photonic downconversion technique based on balanced detection and digital signal post-processing is proposed and experimentally demonstrated. The overall system performance benefits from carrier suppression operation and balanced detection. The dynamic ranges of both the X- and K-band links are also investigated. After compensated in the digital domain, the downconverted IMD3 components...
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