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To overcome the limitation of wavelength-dependent optical filter, we have experimentally demonstrated a bidirectional RoF system based on carrier polarization-suppressed DSB modulation. After transmitted over 10.5-km SMF, 0.3-dB power penalty is achieved for bidirectional links.
A simple and versatile method to realize optical generation of microwave signal using carrier polarization‐suppressed double sideband modulation and no optical filtering is proposed and experimentally demonstrated. By simply adjusting the polarization direction of the polarizer, the optical carrier generated by the single‐drive intensity modulator along one polarization direction is polarization‐suppressed...
A modified double sideband modulation(DSB) scheme to realize frequency doubling and wavelength reuse in the uplink is proposed. In the modified DSB scheme, by adjusting the phase difference between two arms of the intensity modulator, the optical carrier and the two first-order sidebands are generated, after beaten by the photodiode, a high spectrum purity and low phase noise millimeter-wave (mm-wave)...
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