Title :
Practical gain of in-line semiconductor laser amplifiers
Author :
Sumida, M. ; Koga, Masafumi
Author_Institution :
NTT Transmission Syst. Labs., Yokosuka, Japan
fDate :
6/22/1989 12:00:00 AM
Abstract :
This letter proposes a novel coefficient called ´practical gain´ which determines how much increase in transmission length a laser amplifier can provide. It confirms that a high-speed transmission system needs a laser amplifier with high saturation power.
Keywords :
optical communication equipment; repeaters; semiconductor junction lasers; high-speed transmission system; in-line semiconductor laser amplifiers; increase in transmission length; laser amplifier with high saturation power; novel coefficient; optical repeaters; practical gain;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19890590
