Title :
Crosstalk in a two channel coherent fiber optic FSK system using a semiconductor laser amplifier
Author :
Öberg, Magnus G. ; Olsson, N. Anders ; Tzeng, Liang D.
Author_Institution :
AT&T Bell Lab., Murray Hill, NJ, USA
fDate :
9/1/1989 12:00:00 AM
Abstract :
Bit-error-rate measurements on a two-channel optical transmission system using a low-reflectivity laser amplifier are presented. The signal lasers are directly frequency-modulated or amplitude-modulated at 1 Gb/s. The crosstalk penalties in an FSK-FSK system are very small and are mainly attributed to the residual small amplitude modulation of the lasers resulting from the direct frequency modulation. The crosstalk in an ASK-FSK system is considerably larger
Keywords :
crosstalk; frequency shift keying; optical communication equipment; optical fibres; optical losses; optical modulation; semiconductor junction lasers; 1 Gbit/s; InGaAsP-InP; amplitude-modulated; bit error rate measurements; crosstalk; fiber optic FSK system; frequency-modulated; frequency-shift-keyed system; low-reflectivity laser; semiconductor laser amplifier; signal lasers; two-channel optical transmission system; Amplitude modulation; Fiber lasers; Frequency modulation; Frequency shift keying; Optical amplifiers; Optical crosstalk; Optical fibers; Optical modulation; Semiconductor optical amplifiers; Stimulated emission;
Journal_Title :
Lightwave Technology, Journal of
