Title :
In-line singlemode fibre amplifiers based on LiF:F2+ and LiF:F2$crystals
Author :
Kozlov, V.A. ; Ter-Mikirtychev, V.V. ; Tsuboi, T.
Author_Institution :
Dept. of Laser Crystals, Gen. Phys. Inst., Moscow, Russia
fDate :
11/23/1995 12:00:00 AM
Abstract :
In-line singlemode optical amplifiers have been constructed using a resonant coupling of light power from polished singlemode fibre to planar multimode waveguide with a laser-active LiF:F2+ or LiF:F2- colour centre crystal superstrate. The F2+ (or LiF:F2- ) luminescence was produced in the superstrate by excitation with an evanescent wave from the waveguide. A relative gain ⩾2 was obtained using these crystals
Keywords :
colour centre lasers; fibre lasers; laser modes; lithium compounds; LiF; LiF:F2+; LiF:F2-; colour centre crystal superstrate; evanescent wave; in-line single-mode fibre amplifiers; luminescence; planar multimode waveguide; resonant coupling;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19951406
