H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/17 (2006.01) H01S 3/067 (2006.01) H01S 3/10 (2006.01) H04B 10/12 (2006.01) H04J 14/02 (2006.01)
Patent
CA 2321439
An optical amplifying unit includes an input (101) for the input of optical signals, an output (102) for the output of the optical signals, a single-mode active fiber (103) codoped with Er and Yb, optically connected to the input and the output, and adapted to amplify the optical signals, a first pump source (104) for generating a first pump radiation including an excitation wavelength for Er, a second pump source (106) for generating a second pump radiation including an excitation wavelength for Yb, a first optical coupler (105) for optically coupling the first pump radiation into the core of the active fibre in a co-propagating direction with respect to signal direction, and a second optical coupler (107) for optically coupling the second pump radiation into the core of the active fiber in a counter-propagating direction with respect to signal direction. (Figure 9)
Di Pasquale Fabrizio
Gusmeroli Valeria Giuseppina
Oliveti Guido
Rossi Giacomo
Sacchi Giovanni
Kirby Eades Gale Baker
Optical Technologies U.s.a. Corp.
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