Power amplifier for 1083 nm using ytterbium doped fibre

Year: 1997

Authors: Paschotta R., Hanna DC., De Natale P., Modugno G., Inguscio M., Laporta P.

Autors Affiliation: Optoelectronics Research Centre, Southumpton SOI 7 IBJ, UK;
European Laboratory for Nonlinear Spectroscopy (LENS) Largo E. Fermi 2, 50125 Firenze, Italy;
Dipartimento di Fisica del Politecnico di Milano, Piazza L. da Vinci 32, I-20133 Milano, Italy

Abstract: We have demonstrated a power amplifier for a single-frequency signal at 1083 nm as required in spectroscopic applications. It is based on a ytterbium doped silica fibre which was pumped by a MOPA semiconductor laser at 978 nm. In a preliminary experiment we achieved 14 dB gain and 60 mW of amplified signal. We discuss the design considerations, the possibility of significant improvements of output power and gain, and the relevance of the amplifier for high resolution spectroscopy.


Volume: 136 (3-4)      Pages from: 243  to: 246

KeyWords: Fibre amplifier; Spectroscopy; Gain measurement; Optical fibers; Pumping (laser); Semiconductor doping; Semiconductor lasers; Silica; Spectroscopy; Ytterbium, Master oscillator power amplifier; Ytterbium doped fibre, Fiber lasers
DOI: 10.1016/S0030-4018(96)00688-8

Citations: 20
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