Title :
Application of SPICE simulation to study WDM and SCM systems using EDFAs with chirping
Author :
Jou, Jau-Ji ; Liu, Cheng-Kuang
Author_Institution :
Dept. of Electron. Eng., Nat. Taiwan Inst. of Technol., Taipei, Taiwan
fDate :
8/1/2002 12:00:00 AM
Abstract :
The authors have proposed an equivalent electrical circuit model of erbium-doped fiber amplifiers (EDFAs), including the chirping effect for teaching or studying the distortions and performance of lightwave transmission systems. Through the aid of a SPICE circuit simulator, its validity is demonstrated by analyzing the cross modulations of an eight-channel wavelength division multiplexing system. The intermodulations in an amplitude modulation-subcarrier multiplexing (SCM) system are demonstrated. The channel-number dependence of the composite second-order distortion in a 42-channel SCM system is shown, and its applications to analyze other systems are also discussed.
Keywords :
SPICE; amplitude modulation; intermodulation distortion; optical fibre amplifiers; optical fibre communication; optical modulation; teaching; telecommunication engineering education; wavelength division multiplexing; 42-channel SCM system; SPICE; SPICE circuit simulator; amplitude modulation-subcarrier multiplexing system; channel-number dependence; chirping effect; composite second-order distortion; cross modulations; distortions; eight-channel wavelength division multiplexing system; equivalent electrical circuit model; erbium-doped fiber amplifiers; intermodulations; lightwave transmission systems; optical amplifier; teaching; wavelength division multiplexing; Amplitude modulation; Chirp modulation; Circuit simulation; Erbium-doped fiber amplifier; Optical distortion; Optical fibers; SPICE; Stimulated emission; WDM networks; Wavelength division multiplexing;
Journal_Title :
Education, IEEE Transactions on
DOI :
10.1109/TE.2002.1024616
