Optical: systems and elements – Optical amplifier – Raman or brillouin process
Reexamination Certificate
2006-12-26
2006-12-26
Hughes, Deandra M. (Department: 3663)
Optical: systems and elements
Optical amplifier
Raman or brillouin process
Reexamination Certificate
active
07154662
ABSTRACT:
The present invention provides a wide bandwidth, gain flattened Raman amplifier including a laser source of pump radiation, and means for producing from the pump source a plurality of wavelengths of pump radiation including means for providing adjustable optical feedback to the pump source at a plurality of radiation wavelengths. Alternatively, instead of or in addition to the means for providing adjustable optical feedback, the invention may include means for independent power control of each wavelength.The amplifier may include a coupler for coupling the pump radiation into the signal fiber and may include the fiber (which can be the transmission fiber) where the amplification takes place.
REFERENCES:
patent: 4699452 (1987-10-01), Mollenauer et al.
patent: 4922495 (1990-05-01), Bobbs et al.
patent: 5457568 (1995-10-01), Jacobovitz-Veselka et al.
patent: 5524118 (1996-06-01), Kim et al.
patent: 5920423 (1999-07-01), Grubb et al.
patent: 5959766 (1999-09-01), Otterbach et al.
patent: 6122298 (2000-09-01), Kerfoot, III et al.
patent: 6292288 (2001-09-01), Akasaka et al.
patent: 6388806 (2002-05-01), Freeman et al.
patent: 6510000 (2003-01-01), Onaka et al.
patent: 6549329 (2003-04-01), Vail et al.
patent: 6567432 (2003-05-01), Kim et al.
patent: 6603595 (2003-08-01), Welch et al.
patent: 6606188 (2003-08-01), Shimojoh
patent: 6624926 (2003-09-01), Hayashi et al.
patent: 6657774 (2003-12-01), Evans et al.
patent: 6717963 (2004-04-01), Foursa
patent: 0 984 532 (2000-03-01), None
patent: 1 018 666 (2000-07-01), None
patent: WO 98/02587 (1998-05-01), None
patent: WO 00/49721 (2000-08-01), None
Andriamonje et al. Physics Letters, vol. 348, #3-4, pp. 697-709, Apr. 6, 1995. Abstracts herewith.
Emori et al, Electronics Letters, vol. 35, #16, pp. 355-561, Aug. 5, 1999.
Willetts et al, IEE Colloquium. Optical Amplifiers, No. 1998/492, pp. 9-1/9-7, abstracts herewith.
Emori et al, Furukawa Review, #19, pp. 59-62; 2000.
Hecht et al. Understanding Fiber Optics. 2nd Edition. SAMS Publishing. 1993. p. 419.
Agrawal, Govind P. Fiber-Optic Communication Systems, 2nd Edition. John Wiley & Sons, Inc. 1997. pp. 379-385.
H. Masuda et al, “1.65 μm band fibre Raman amplifier pumped by wavelength-tunable amplified spontaneous emission light source” Electronics Letters, Nov. 26, 1998, vol. 34, No. 24 pp. 2339.
Rodriguez Llorente Fernando
Zarris George
Alcatel
Hughes Deandra M.
Sughrue & Mion, PLLC
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