Wavelength division multiplex communication link for optical tra

Details Wavelength division multiplex communication link for optical tra Wavelength division multiplex communication link for optical tra

1997-06-20

1999-11-30

Palmer, Phan T. H.

Optical waveguides

Optical fiber waveguide with cladding

385126, 385127, G02B 602

Patent

active

059956941

ABSTRACT:
The invention provides a wavelength division multiplex communication link for optical transmissions, which is able to provide a ultra high bit-rate wavelength division multiplex communication at a 1550 nm wavelength band using the existing 1300 nm band zero dispersion of a single mode fiber network. A dispersion compensating fiber DCF having a negative dispersion value at a 1550 nm wavelength band is connected to a single mode fiber SMF of the existing 1300 nm band zero dispersion of a single mode fiber network with a line length which compensates the dispersion slope of the single mode fiber to zero. And, a dispersion flat fiber which makes the dispersion slope zero is further connected, with a line length which makes the remaining dispersion value zero, to the terminal end of a connection link of the single mode fiber SMF and dispersion compensating fiber DCF, whereby both the dispersion slope of a single mode fiber and dispersion value thereof can be adjusted to be zero at the terminal end of the dispersion flat fiber DFF.

REFERENCES:
patent: 5042906 (1991-08-01), Chesler et al.
patent: 5361319 (1994-11-01), Antos et al.
patent: 5838867 (1998-11-01), Onishi et al.
1.1 Tb/s WDM Transmission over a 150km 1.3 .mu.m Zero-dispersio Single-Mode Fiber; Onaka, Miyata, Ishikawa, Otsuka, Ooi, Kai, Seino, Nishimoto, and Chikama. OFC/96 Technical Digest, Mar. 1996.

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