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Signal-to-Noise Ratio of True-Time Delay Beamformers Based on Microwave Photonic Links Using an Incoherent Broadband Optical Source

Long Huang,Pan Dai,Xiangfei Chen

IEEE Journal of Quantum Electronics（2019）

Cited 5|Views6
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Abstract
The signal-to-noise ratio (SNR) of true-time delay beamformers based on microwave photonic links using an incoherent broadband optical source (IBOS) is investigated. A comprehensive theory considering the bias angle of the Mach-Zehnder modulator employed in the microwave photonic link is presented to analyze the SNR. When the RF signal at the fundamental frequency is fed by the beamformer, the SNR...
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Key words
Signal to noise ratio,Dispersion,RF signals,Optical attenuators,Optical modulation,Optical polarization,Frequency modulation
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