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Photonic Generation of Power-Efficient Ultra-wideband Waveforms Using a Single Semiconductor Optical Amplifier

机译:使用单个半导体光放大器的高能效超宽带波形的光子产生

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A novel photonic generation of power-efficient ultra-wideband (UWB) pulse by combining two asymmetric monocycle pulses with inverted polarities is experimentally demonstrated. The principle lies in cross-phase modulation (XPM) in a single semiconductor optical amplifier (SOA) and phase modulation to intensity modulation conversions in an arrayed-waveguide grating (AWG). The Federal Communications Committee (FCC) compliant UWB pulse gains 24.3 dB and 20.8 dB improvements compared to positive and negative monocycle pulses after power attenuation to respect the FCC spectral mask, respectively. The generated power-efficient UWB with pulse duration of about 310 ps has potential to achieve high speed transmission and modulation without overlapping and distortion.
机译:实验证明了通过将两个非对称单周期脉冲与极性反转相结合,可以产生一种新型的高效节电超宽带(UWB)脉冲光子。原理在于单个半导体光放大器(SOA)中的交叉相位调制(XPM)和阵列波导光栅(AWG)中的相位调制到强度调制转换。遵从美国联邦通信委员会(FCC)的UWB脉冲,与功率衰减后的正和负单周期脉冲相比,分别提高了24.3 dB和20.8 dB,以遵守FCC频谱模板要求。产生的具有大约310 ps脉冲持续时间的高能效UWB具有实现高速传输和调制而不会重叠和失真的潜力。

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