EP 1066540 A1 20010110 - LOW SLOPE DISPERSION MANAGED WAVEGUIDE
Title (en)
LOW SLOPE DISPERSION MANAGED WAVEGUIDE
Title (de)
WELLENLEITER MIT VERTEILTER DISPERSION GERINGER STEIGUNG
Title (fr)
GUIDE D'ONDE GERE EN DISPERSION FAIBLE PENTE
Publication
Application
Priority
- US 9903403 W 19990217
- US 7575498 P 19980223
Abstract (en)
[origin: WO9942869A1] Disclosed is a single mode optical waveguide fiber having alternating segments of positive and negative dispersion and dispersion slope. The relative indexes, the refractive index profiles and the radii of the segments are chosen to provide low total dispersion and dispersion slope. One embodiment consists of a first central major index profile (10) of outer radius r1, surrounded by a first annular segment (12) of outer radius r2, surrounded by second annular segment (14) of outer radius r3. Preferred waveguides in accordance with the invention exhibit a dispersion over the range of 1520 to 1625 nm which at all times have a magnitude which is less than 2, and more preferably less than 1 ps/nm<2>-km. The total dispersion of the waveguide fiber is in the range of about -2.0 to +2.0 ps/nm-km at 1550 nm. The waveguide also features a low polarization mode dispersion.
IPC 1-7
IPC 8 full level
CPC (source: EP)
G02B 6/02233 (2013.01); G02B 6/02247 (2013.01); G02B 6/02261 (2013.01); G02B 6/03644 (2013.01); G02B 6/03666 (2013.01); G02B 6/02285 (2013.01); G02B 6/0281 (2013.01)
Designated contracting state (EPC)
CH DE DK ES FI FR GB IT LI NL SE
DOCDB simple family (publication)
WO 9942869 A1 19990826; AU 3180599 A 19990906; AU 750557 B2 20020725; BR 9907943 A 20001024; CA 2318423 A1 19990826; CN 1120379 C 20030903; CN 1288523 A 20010321; EP 1066540 A1 20010110; EP 1066540 A4 20050518; ID 27455 A 20010412; JP 2002504702 A 20020212; JP 4208415 B2 20090114; KR 100703246 B1 20070403; KR 20010041230 A 20010515
DOCDB simple family (application)
US 9903403 W 19990217; AU 3180599 A 19990217; BR 9907943 A 19990217; CA 2318423 A 19990217; CN 99802285 A 19990217; EP 99913812 A 19990217; ID 20001874 A 19990217; JP 2000532749 A 19990217; KR 20007009320 A 20000823