Title :
Optimum range for DFB laser chirp for fiber-optic AM video transmission
Author :
Kwong, N.S. ; Chen, P.C. ; Ury, I.
fDate :
1/1/1993 12:00:00 AM
Abstract :
Simple expressions for the impact of the distributed feedback (DFB) laser chirp on the system noise and distortion specifications of AM CATV fiber links are derived. These· expressions are found to agree well with measured results. There is a narrow range of chirp for which the degradation of both noise and distortion is low. 1310-nm lasers are found to have chirp within the acceptable range. 1550-nm lasers are found to have chirp that is unacceptably large for most CATV applications
Keywords :
amplitude modulation; cable television; noise; optical links; optical modulation; video signals; 1310 nm; 1550 nm; AM CATV fiber links; DFB laser chirp; IR; distortion specifications; distributed feedback; fiber-optic AM video transmission; laser diodes; optical communications equipment; optimisation; Chirp modulation; Degradation; Distortion measurement; Dynamic range; Fiber lasers; Frequency modulation; Laser noise; Optical distortion; Optical modulation; Optical noise;
Journal_Title :
Lightwave Technology, Journal of
