Abstract
Optical in-line amplifiers allow fiber transmission systems to increase regenerative repeater spacing1,2. We have reported 2.488-Gbit signal transmission over 2,200 km with a continuous-phase frequency-shift-keying (CPFSK) heterodyne detection system that has twenty-five erbium-doped fiber in-line amplifiers3.
© 1990 Optical Society of America
PDF ArticleMore Like This
SHIGERU SAITO, TAKAMASA IMAI, TOSHIHIKO SUGIE, NORIO OHKAWA, YASUTAKA ICHIHASHI, and TAKESHI ITO
WC3 Optical Fiber Communication Conference (OFC) 1990
Shigeru SAITO, Takamasa IMAI, Toshihiko SUGIE, Norio OHKAWA, Yasutaka ICHIHASHI, and Takeshi ITO
PD2 Optical Fiber Communication Conference (OFC) 1990
KIYOSHI NAKAGAWA, KAZUO HAGIMOTO, and SHIGENDO NISHI
WC2 Optical Fiber Communication Conference (OFC) 1990