Optical fiber amplifier and optical fiber transmission system

Details Optical fiber amplifier and optical fiber transmission system Optical fiber amplifier and optical fiber transmission system

1995-08-25

1996-10-08

Hellner, Mark

Optical: systems and elements

Optical amplifier

Optical fiber

359124, 359134, 359160, H01S 300, H04B 1000, H04J 1402

Patent

active

055637337

ABSTRACT:
An optical fiber amplifier for optically amplifying a plurality of signals having different wavelengths includes a series of rare earth doped optical fibers and at least one pump light source generating pump light for exciting the series of rare earth doped optical fibers. A first signal among the plurality of signals propagates through a part of the series of rare earth doped optical fibers, and a second signal among the plurality of signals propagates through all of the series of rare earth doped optical fibers.

REFERENCES:
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patent: 5375010 (1994-12-01), Zerva et al.
patent: 5416864 (1995-05-01), Cassidy et al.
patent: 5452116 (1995-09-01), Kirkby et al.
Bo Pedersen et al., "The Design of Erbium-Doped Fiber Amplifiers, Journal of Lightwave Technology," vol. 9, No. 9, pp. 1105-1112, (1991).
V. L. Da Silva et al., "Automatic gain flattening in Er-doped-fiber amplifiers", OFC/IOOC '93 Technical Digest, THD2, pp. 174-175, (1993).
E. L. Goldsein et al., "Suppression of Dynamic Cross-saturation in Multiwavelength Lightwave Networks with Inhomogeneously Broadened Fiber Amplifiers", Optical Amplifiers and Their Applications, vol. 14, pp. 70-73 (1993).
S. Shimokado et al., "Bidirectional WDM Optical Fiber Amplifiers-Bridge Type", w/English translation, Proceedings of the 1993 IEICE Spring Conference, C-198, 4-234, (1993).

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