Optical fiber lasers and amplifiers

Title

Optical fiber lasers and amplifiers

Description

We develop demonstrators of lasers and amplifiers based on our tellurite and phosphate optical fibers.

A) Rare earth doped fibre lasers

We carry out research on Yb, Er and Tm-doped fiber lasers with the aim of optimizing glass compositions and optical fiber configuration to maximize laser performance in terms of output power and slope efficiency.

B) Optical fibre amplifiers

We carry out gain tests on our prepared optical fibers for telecom and power amplifier stages of MOPA lasers systems for remote sensing. In the case of telecom applications, a laser diode provides the pump power for the Er³⁺ doped fibre, allowing it to amplify light in the third communication window (λ ~ 1.5 µm).

Keywords

Phosphate glasses, tellurite glasses, optical fiber amplifiers, optical fiber lasers

Contact(s)

daniel.milanese@polito.it davide.janner@polito.it

Recent reference(s)

Boetti, N.G., Pugliese, D., Ceci-Ginistrelli, E., Lousteau, J., Janner, D., Milanese, D., “Highly doped phosphate glass fibers for compact lasers and amplifiers: A review”, (2017) Applied Sciences (Switzerland), 7 (12), art. no. 1295. DOI: 10.3390/app7121295.

Boetti, N.G., Scarpignato, G.C., Lousteau, J., Pugliese, D., Bastard, L., Broquin, J.-E., Milanese, D., “High concentration Yb-Er co-doped phosphate glass for optical fiber amplification”, (2015) Journal of Optics (United Kingdom), 17 (6), art. no. 065705. DOI: 10.1088/2040-8978/17/6/065705

Funding

NATO “Caliber” project. The Interdepartmental Center PhotoNext, Politecnico di Torino.