Fiber dispersion induced nonlinearity in fiber-optic links with multimode laser diodes

Fiber dispersion induced nonlinearity in fiber-optic links with multimode laser diodes

In analog RF fiber-optic (FO) links with directly modulated multimode laser diodes (LD's), nonlinear distortions of the received modulation signal occur due to fiber dispersion. Using a simple analytical two mode model, we show that the mutual compensation of strong nonlinearities between parti...

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Bibliographic Details
Published in:IEEE photonics technology letters Vol. 9; no. 3; pp. 371 - 373
Main Authors: Hunziker, S., Baechtold, W.
Format: Journal Article
Language:English
Published: IEEE 01-03-1997
Subjects:
Chirp modulation
Delay effects
Diode lasers
Frequency modulation
Intensity modulation
Nonlinear distortion
Optical fiber theory
Optical modulation
Samarium
Transfer functions
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Summary:In analog RF fiber-optic (FO) links with directly modulated multimode laser diodes (LD's), nonlinear distortions of the received modulation signal occur due to fiber dispersion. Using a simple analytical two mode model, we show that the mutual compensation of strong nonlinearities between particular modes breaks down at high-modulation frequencies. The effect can be observed even in 1300-nm links with single-mode (SM) standard fibers. Simulations as well as measurements of intermodulation (IM) illustrate this argument.
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ISSN:1041-1135
1941-0174
DOI:10.1109/68.556077