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Lutz Rapp: Multistage fiber amplifier and method for adapting a pump power of a multistage fiber amplifier. GM Global Technology Operations, Laurence A Greenberg, Werner H Sterner, Ralph E Locher, January 3, 2012: US08089690 (2 worldwide citation)

The invention relates to a multistage fiber amplifier having a first amplifying fiber, at least one further amplifying fiber connected in series with the first amplifying fiber, a pump source, a first pump signal fed to the first amplifying fiber, and a further pump signal fed to the further amplify ...


2
Lutz Rapp: Multistage Fiber Amplifier and Method For Adapting a Pump Power of a Multistage Fiber Amplifier. Nokia Siemens Networks & Co KG, Bell Boyd & Lloyd, August 28, 2008: US20080204860-A1

The invention relates to a multistage fibre amplifier having a first amplifying fibre (EDFI) and at least one further amplifying fibre (EDF2) connected in series, and also a pump source (2D), a first pump signal (A1) being fed to the first amplifying fibre (EDFI) and a further pump signal (A2) being ...