Idler-free photonic microwave mixer using a broadband optical source and cascaded phase modulators.


A method of all-optical microwave mixing and bandpass filtering is proposed to achieve idler-free RF frequency conversion based on cascaded phase modulation of a broadband optical source. The variable optical carrier time-shift method is employed to selectively generate the desired RF mixing components and highly suppress the other idler frequencies. An… (More)
DOI: 10.1364/OL.37.001451


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