Noise figure measurements on Nd and Yb doped double-clad fiber amplifiers | Zendy

P. Weßels | Zendy; Carsten Fallnich | Zendy

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Noise figure measurements on Nd and Yb doped double-clad fiber amplifiers

Author(s) -

P. Weßels,

Carsten Fallnich

Publication year - 2003

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.11.001531

Subject(s) - optics , neodymium , ytterbium , materials science , amplifier , noise figure , doping , noise (video) , optical amplifier , optoelectronics , fiber laser , fiber amplifier , optical fiber , physics , laser , computer science , cmos , artificial intelligence , image (mathematics)

We present comparative noise figure measurements on neodymium and ytterbium doped double-clad fiber amplifiers. While the neodymium doped amplifier showed the quantum-limited noise figure of 3 dB, the ytterbium doped amplifier exhibited excess noise due to its three-level system. We compared optical and electrical methods with respect to the accuracy and the suitability for high power measurements.

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