S. Artigaud

76-km transmission over standard dispersion fiber at 10 Gbit/s using a high-power integrated laser modulator and a PIN receiver without any optical amplifier

We report a high output power (20 mW) integrated laser-modulator device, which allows 10-Gbit/s transmission with a negative alpha parameter over 76 km of standard fiber without any optical amplifier as a result of an average launched power of +3.6 dBm under modulation conditions.

Systems aspects of fluoride-based EDFAs

We describe EDFFAs (Er-doped fluoride fiber amplifiers) and their design criteria, discuss the EDFFA gain-flatness control mechanism and new amplifier designs giving improved gain flatness, and present in detail system applications that have been explored in our laboratory. Among these are a study of EDFFA cascade in multichannel systems, and WDM transmission and routing systems using EDFFAs.

Experimental demonstration of penalty-free optical cross-connect cascade with multiwavelength transmission over 1000-km standard fiber

An optical cross-connect (OXC) architecture was proposed to implement high-capacity transparent wavelength-division multiplexing (WDM) optical transport networks. A laboratory demonstrator was built to assess the feasibility of this concept. We report here a penalty-free cascade experiment of three 4/spl times/4, eight-channel OXCs operated at 2.5 Gbit/s including WDM transmission over 1000-km nondispersion-shifted fiber.