Abstract

A method to improve the linearity of the analog photonic link is proposed and experimentally demonstrated, which consists of a phase modulator and an optical tunable bandpass filter. By carefully optimizing the bandwidth and center wavelength of the filter, we can significantly suppress the third-order intermodulation distortion by 32dB. Subsequently the spurious-free dynamic range of the link is improved by 14dB.

© 2013 Optical Society of America

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