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We propose and demonstrate a prototype for an improved intensity modulation direct detection (IMDD)-based radio over fiber (RoF) system by employing a homemade triangular chirped fiber Bragg grating (CFBG). In the scheme, an intensity modulator first modulates the lightwave with millimeter-wave driving signals to realize optical double-sideband (DSB) modulation, and then the output DSB signals pass...
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