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We identify experimentally the effects of laser linewidth and intensity noise on optical OFDM systems, and show that commercial DFB lasers are suitable transmitters even when operated at low powers.
Optical orthogonal frequency division multiplexing (OFDM) is a type of electronic dispersion and nonlinearity compensation that is scalable to extremely-high data rates, offering plug-and-play convenience in free-space, multimode and long-haul communication systems.
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