Fiber Optic Intermodulation Distortion
Date of Original Version
In analog frequency-division multiplexed fiber optic systems, laser nonlinearities transfer energy between the different carriers, resulting in intermodulation distortion and interference. A third-order polynomial without memory is used to model the nonlinearity. The FM frequency-division multiplexed (FM/FDM) signal consists of a set of FM carriers at frequencies. Nω0, where N = L, L + 1, L +2,…, M. The video distortion introduced by the nonlinearity is determined for various types of second- and third-order intermodulation terms. The intermodulation distortion frequency spectrum is determined for FM signals with assumed Gaussian spectra. Copyright © 1982 by The Institute of Electrical and Electronics Engineers, Inc.
IEEE Transactions on Communications
Daly, James C.. "Fiber Optic Intermodulation Distortion." IEEE Transactions on Communications 30, 8 (1982): 1954-1958. doi:10.1109/TCOM.1982.1095676.