The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 18, 2003
Filed:
Jun. 28, 2000
Louis-Anne de Montmorillon, Paris, FR;
Pascale Nouchi, Maisons-Laffitte, FR;
Jean-Claude Rousseau, Chatou, FR;
Raphaelle Sauvageon, Thones, FR;
Jean-François Chariot, Marly le Roi, FR;
Alain Bertaina, Villebon sur Yvette, FR;
Alcatel, Paris, FR;
Abstract
The invention relates to a single-mode optical fiber that, for a wavelength of 1550 nm, has an effective area greater than or equal to 60 &mgr;m , chromatic dispersion lying in the range 3 ps/(nm.km) to 14 ps/(nm.km), a chromatic dispersion gradient in the range 0 ps/(nm .km) to 0.1 ps/(nm .km), and a ratio between the effective area and the chromatic dispersion gradient that is greater than or equal to 1000 &mgr;m .nm .km/ps, as well as a zero chromatic dispersion wavelength shorter than 1480 nm. The fiber thus has both a large effective area and a shallow chromatic dispersion gradient, and it is thus well suited to wavelength division multiplexed (WDM) transmission. The invention also relates to a WDM optical fiber transmission system that uses such a fiber as the line fiber.