Abstract

Optical amplifiers based on Er-doped fiber can improve power budgets in broadband networks, while maintaining flexibility to upgrade modulation rates and or multiplexing schemes after the network has been installed. To provide low-cost amplification for local-access networks, we recently introduced the star-geometry self-amplified network (SANE), in which modulated 1.48-µm lasers were used both to send upstream data and to locally pump downstream receiver preamplifiers.¹ Similar work in a point-to-point link was previously reported by Suyama.

© 1996 Optical Society of America