COMPARISON OF DIRECT AND EXTERNAL MODULATION FOR CATV LIGHTWAVE TRANSMISSION AT 1.5-MU-M WAVELENGTH

被引:2
|
作者
GNAUCK, AH
DARCIE, TE
BODEEP, GE
机构
[1] AT&T Bell Laboratories, Crawford Hill Laboratory, Holmdel
关键词
OPTICAL COMMUNICATION; CABLE TELEVISION; OPTICAL MODULATION; ELECTROOPTICAL DEVICES; LASERS;
D O I
10.1049/el:19921200
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The use of a high-power 1.5 mum DFB laser and a linearised Ti: LiNbO2 Mach-Zehnder modulator as a transmitter in a CATV lightwave system is reported. The performance is compared with directly-modulated 1.5 mum-wavelength DFB lazers in 60 channel transmission over 16 km of conventional singlemode fibre. The transmission of 52 high-fiequency channels is demonstrated (450-750 MHz) in anticipation of futum CATV upgrades.
引用
收藏
页码:1875 / 1876
页数:2
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