Optical: systems and elements – Optical amplifier – Optical fiber
Patent
1993-12-06
1996-03-05
Hellner, Mark
Optical: systems and elements
Optical amplifier
Optical fiber
359160, H04B 1000
Patent
active
054972655
ABSTRACT:
An optical signal generator for telecommunication systems, comprising at least a single-frequency active optical fiber laser as an optical signal source at a signal transmission wavelength, at least an active optical fiber optical amplifier operatively connected to said laser and at least one source of pumping optical power at a pumping wavelength, the pumping optical power source being operatively connected to at least one of said active fibers of said laser and amplifier and transfer-means for said pumping optical power being connected to said active fibers of said laser and amplifier, in order to transfer unabsorbed optical power at the pumping wavelength from one of said active fibers to the other of said active fibers.
REFERENCES:
patent: 5287212 (1994-02-01), Cox et al.
patent: 5315426 (1994-05-01), Aoki
patent: 5369524 (1994-11-01), Pocholle et al.
Proceedings ECOC 91, 9-12 Sep. 1991, Paris, pp. 149-152 Grasso et al.
Proceedings ECOC 91, Invited Papers, 9-12, Sep., Paris pp. 87-96 Y. Park et al.
IEEE Photonics Technology Letters vol. 2, No. 8, Aug. 1990, New York US pp. 562-564, XP000149727 J. B. Schlager et al.
Fontana Flavio
Grasso Giorgio
Righetti Aldo
Hellner Mark
Pirelli Cavi S.p.A.
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