Influence of cooling on a bismuth-doped fiber laser and amplifier performance.
We characterize bismuth-doped fibers under different excitation wavelengths. The fiber laser performance at 1179 nm was investigated, incorporating different cooling arrangements. Effective heat extraction can reduce the temperature-dependent unsaturable loss in fiber, resulting in increased laser performance. The operation of a bismuth-doped fiber amplifier at 1179 nm, at both low and high input signals, is also examined. The amplifier efficiency and the saturation power both depend on effective fiber cooling.
Kalita
Mridu P
MP
Optoelectronics Research Centre, University of Southampton, Southampton SO17 1BJ, UK. mpk@orc.soton.ac.uk
Yoo
Seongwoo
S
Sahu
Jayanta K
JK