Reduced dispersion-induced harmonics levels are reported for analogue radio-over-fiber systems by using a linearized receiver incorporating a memoryless electronic circuit with square root (SQRT)-like transfer function, and performing amplitude modulation (AM) at the transmitter. A practical implementation demonstrates the effectiveness of the AM-SQRT approach in linearizing the optical transmission system with respect to the conventional intensity modulation and direct detection system.
CitationPrat, J; Santos, M.C.; Omella, M. Square root module to combat dispersion-induced nonlinear distortion in Radio-over-Fiber Systems. IEEE photonics technology letters, 2006, vol.18 , núm.18, p.1928-1930
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