US Patent No: 6,731,423

Number of patents in Portfolio can not be more than 2000

Optical amplifier and method

ALSO PUBLISHED AS: 20040075886

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Abstract

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A broad bandwidth optical amplifier (50) includes an optical pump source (52). A Raman chamber (56) is coupled to an output (54) of the optical pump source (52). An optical fiber ring (62) having a first end (64) is coupled to a first end (66) of the Raman chamber (56). A second end (60) of the optical fiber is coupled to a second end (58) of the Raman chamber (56). A doped optical fiber is coupled to a second end of the optical fiber ring. The Raman chamber produces a number resonant Raman stokes lines.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
NEUMANN SYSTEMS GROUP, INC.COLORADO SPRINGS, CO16

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brasseur, Jason Kenneth Colorado Springs, CO 4 8
Neumann, David Kurt Colorado Springs, CO 36 188

Cited Art Landscape

Patent Info (Count) # Cites Year
 
THE REGENTS OF THE UNIVERSITY OF MICHIGAN (1)
6,052,393 Broadband Sagnac Raman amplifiers and cascade lasers 78 1998
 
MONTANA STATE UNIVERSITY (1)
6,151,337 Continuous-wave Raman laser having a high-finesse cavity 17 1998
 
McDonnell Douglas Corporation (1)
6,200,309 Photodynamic therapy system and method using a phased array raman laser amplifier 54 1998
 
LUCENT TECHNOLOGIES INC. (3)
* 5,574,589 Self-amplified networks 39 1995
6,191,877 WDM optical fiber system using Raman amplification 51 1996
6,163,636 Optical communication system using multiple-order Raman amplifiers 117 1999
 
BANDWIDWITH SOLUTIONS, INC. (1)
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YOKOGAWA ELECTRIC CORPORATION (1)
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Thomson-CSF (1)
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TYCO SUBMARINE SYSTEMS LTD. (1)
6,081,366 Optical fiber communication system with a distributed Raman amplifier and a remotely pumped er-doped fiber amplifier 88 1997
 
Avco Everett Research Laboratory, Inc. (1)
4,633,103 Two cell stimulated Raman scattering frequency conversion laser 18 1983
 
TREX COMMUNICATIONS CORPORATION (1)
* 6,151,340 Method and apparatus for locking the wavelength of beacon beam in a free-space laser communications system 22 1998
 
SPECTRA-PHYSICS, INC. (1)
* 4,685,107 Dispersion compensated fiber Raman oscillator 50 1986
 
MASSACHUSETTS INSTITUTE OF TECHNOLOGY (2)
* 5,513,194 Stretched-pulse fiber laser 100 1995
* 5,956,355 Method and apparatus for performing optical measurements using a rapidly frequency-tuned laser 203 1997
 
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY (1)
* 4,780,876 Method and apparatus for generating coherent radiation 11 1987
 
TYCO TELECOMMUNICATIONS (US) INC. (2)
6,122,298 Multi-wavelength optical pump 33 1996
6,052,219 Wide bandwidth Raman amplifier capable of employing pump energy spectrally overlapping the signal 41 1999
 
DATEX-OHMEDA, INC. (1)
* 5,521,703 Diode laser pumped Raman gas analysis system with reflective hollow tube gas cell 19 1994
 
Her Majesty the Queen in right of Canada, as represented by the Minister of National Defence (1)
* 5,293,395 Stimulated raman laser of amplifier using axicon pumping 1 1993
 
ENERGY, UNITED STATES DEPARTMENT OF (1)
* 4,389,617 Combination ring cavity and backward Raman waveguide amplifier 26 1981
 
OEP IMAGING OPERATING CORPORATION (1)
* 4,720,160 Optical resonant cavity filters 57 1984
 
IMRA AMERICA, INC. (1)
5,880,877 Apparatus and method for the generation of high-power femtosecond pulses from a fiber amplifier 134 1997
 
Bell Telephone Laboratories, Incorporated (2)
* 4,523,315 Raman gain medium 21 1982
* 4,699,452 Optical communications system comprising Raman amplification means 96 1985
 
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE (1)
6,163,554 Optical fiber raman laser 24 1998
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
AXSUN TECHNOLOGIES, INC. (1)
7,177,022 Method and system removing fluorescence and other slowly varying baseline in Raman spectra 2 2006
 
Other [Check patent profile for assignment information] (1)
* 2011/0231,135 Auto-correcting or self-calibrating DTS temperature sensing systems and methods 2 2009
 
OCG TECHNOLOGY LICENSING, LLC (1)
* 7,463,411 Optical fiber amplifier 1 2004
 
THALES (1)
* 7,548,572 Stabilized solid-state laser gyroscope 7 2004
* Cited By Examiner

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