Optical soliton transmission system

Details Optical soliton transmission system Optical soliton transmission system

1994-06-09

1996-06-25

Moskowitz, Nelson

Optical: systems and elements

Optical amplifier

Particular active medium

359341, 359185, 372 33, G02B 514, H04B 900

Patent

active

055305857

ABSTRACT:
In an optical soliton transmission system an optical transmitter (2) generating short pulses is coupled to a glass fiber cable (4) comprising sections of glass fiber (7, 9, 11, 13, 15) with interspaced semiconductor laser amplifiers (8, 10, 12, 14). An optical receiver (6) is connected to the end of the glass fiber cable (15). In optical soliton transmission Erbium doped fiber amplifiers and dispersion shifted fiber are currently used in the 1.5 .mu.m wavelength region. However, by utilizing standard fiber in the 1.3 .mu.m wavelength region it is possible to use a lower soliton power compared with a state-of the-art transmission system.

REFERENCES:
patent: 4558921 (1985-12-01), Hasegawa et al.
patent: 4700339 (1987-10-01), Gordon
patent: 5191631 (1993-03-01), Rosenberg
"Long Distance Soliton Propagation Using Lumped Amplifiers and Dispersion Shifited Fibre" L. F. Mollenauer et al, IEEE Journal of Lightwave Technology vol. 9, No. 2, Feb. 1991.
"Generation and Transmission of Optical Solitons in the Gigahertz Region Using a Directly Modulated Distributed Feedback Laser Diode" Optics Letters vol. 15, No. 10, May 10, 1990.
SOA 1200 and SOA3200 Data Sheets From BT&D Technologies.
"Picosecond Pulse Generation From A 1.3 .mu.m Distributed Feedback Laser Diode Using Soliton-Effect Compression" H. Liu et al, IEEE Journal of Quantum Electronics, vol. 27, No. 6, Jun. 1991.

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