1-GHz optical communication system using chaos in erbium-doped fiber lasers

Author

Luo, L.G. ; Chu, P.L. ; Liu, H.F.

Author_Institution

Sch. of Electr. Eng. & Telecommun., New South Wales Univ., Kensington, NSW, Australia

Volume

12

Issue

3

fYear

2000

fDate

3/1/2000 12:00:00 AM

Firstpage

269

Lastpage

271

Abstract

We experimentally demonstrated an optical communication system based on synchronized chaos between the transmitter and receiver with a sinusoidal signal of 1 GHz. In addition, we also experimented with the modulation of the system by a random bit stream at 140 Mb/s. Both experiments showed that the messages could be recovered at the receiver with a reasonable signal-to-noise ratio. These messages are directly embedded into the chaos through an electrooptic modulator in the transmitter. At the receiver the message is successfully recovered by both the subtracting method and the dividing method.

Keywords

electro-optical modulation; erbium; fibre lasers; optical chaos; optical fibre communication; optical noise; optical receivers; optical transmitters; ring lasers; synchronisation; telecommunication security; 1 GHz; 140 Mbit/s; Er-doped fiber lasers; chaos; dividing method; electrooptic modulator; messages; modulation; optical communication system; random bit stream; receiver; signal-to-noise ratio; sinusoidal signal; subtracting method; synchronized chaos; transmitter; Chaotic communication; Electrooptic modulators; Erbium-doped fiber lasers; Lasers and electrooptics; Optical coupling; Optical fiber communication; Optical fiber couplers; Optical fiber polarization; Optical receivers; Optical transmitters;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/68.826910

Filename

826910