Abstract
Absorption of an incoherent pump in a double-clad fiber amplifier is analyzed in the paraxial wave approximation. Different inner cladding shapes are considered. A small spiral distortion of an otherwise circular inner cladding shape is shown to enhance the coupling efficiency significantly relative to other geometries.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1259-1263 |
| Number of pages | 5 |
| Journal | Journal of the Optical Society of America B: Optical Physics |
| Volume | 19 |
| Issue number | 6 |
| DOIs | |
| State | Published - Jun 2002 |
ASJC Scopus subject areas
- Statistical and Nonlinear Physics
- Atomic and Molecular Physics, and Optics