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

Author

Hunziker, S. ; Baechtold, W.

Author_Institution

Lab. for EM Fields & Microwave Electron., Swiss Federal Inst. of Technol., Zurich, Switzerland

Volume

9

Issue

3

fYear

1997

fDate

3/1/1997 12:00:00 AM

Firstpage

371

Lastpage

373

Abstract

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.

Keywords

compensation; intermodulation; laser modes; modelling; nonlinear optics; optical fibre dispersion; optical modulation; optical transmitters; semiconductor lasers; analog RF fiber-optic links; analytical two mode model; directly modulated multimode laser diodes; fiber dispersion; fiber dispersion induced nonlinearity; fiber-optic links; high-modulation frequencies; intermodulation; multimode laser diodes; mutual compensation; nm links; nonlinear distortions; received modulation signal; single-mode standard fibers; strong nonlinearities; Chirp modulation; Delay effects; Diode lasers; Frequency modulation; Intensity modulation; Nonlinear distortion; Optical fiber theory; Optical modulation; Samarium; Transfer functions;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/68.556077

Filename

556077