Suppression of stimulated Brillouin scattering induced by the compensating signal in all-optical gain-clamped EDFA

Author

Chen, Yiran ; Zhang, Lun ; Jiang, Zhi ; Yu, Qian ; Fan, Chongcheng

Author_Institution

Dept. of Electron. Eng., Tsinghua Univ., Beijing, China

Volume

1

fYear

2000

fDate

2000

Firstpage

203

Abstract

In an all-optical link-controlled wavelength-division multiplexing system, the compensating signal generated by a ring-laser structure in the first EDFA may induce strong stimulated Brillouin scattering (SBS) through intermittent bursts of single longitudinal mode oscillation. However, it can be suppressed effectively by an acousto-optic modulator (AOM) inserted in the lasing loop. Multiple longitudinal mode oscillation of compensating light is constantly kept by random interplay between phonons and photons, leading to much higher SBS threshold power

Keywords

acousto-optical modulation; optical fibre amplifiers; optical fibre networks; oscillations; ring lasers; stimulated Brillouin scattering; wavelength division multiplexing; SBS; acousto-optic modulator; all-optical networks; compensating signal; gain-clamped EDFA; intermittent bursts; lasing loop; longitudinal mode oscillation; ring-laser structure; stimulated Brillouin scattering; suppression; threshold power; wavelength-division multiplexing; Attenuators; Brillouin scattering; Clamps; Erbium-doped fiber amplifier; Optical fiber networks; Oscilloscopes; Power generation; Signal generators; WDM networks; Wavelength division multiplexing;

fLanguage

English

Publisher

ieee

Conference_Titel

Communication Technology Proceedings, 2000. WCC - ICCT 2000. International Conference on

Conference_Location

Beijing

Print_ISBN

0-7803-6394-9

Type

conf

DOI

10.1109/ICCT.2000.889198

Filename

889198