Title :
High-resolution distributed-gain measurements in erbium-doped fibers
Author :
von der Weid, J.P. ; Passy, R. ; Huttner, B. ; Guinard, O. ; Gisin, N.
Author_Institution :
Center for Telecommun. Studies, Pontificia Univ. Catolica do Rio de Janeiro, Brazil
fDate :
7/1/1998 12:00:00 AM
Abstract :
For the first time, the distributed gain along erbium-doped fibers was measured with high-resolution reflectometry. The coherent optical frequency-domain reflectometry detection technique intrinsically filters amplified spontaneous emission, allowing precise measurements of Rayleigh backscattering levels and nondestructive determination of the optimum length of the doped fiber for different pump and probe conditions.
Keywords :
Rayleigh scattering; backscatter; erbium; fibre lasers; gain measurement; laser variables measurement; optical communication equipment; optical fibre testing; optical pumping; optical resolving power; optical time-domain reflectometry; superradiance; Rayleigh backscattering levels; amplified spontaneous emission; coherent optical frequency-domain reflectometry detection technique; distributed gain; doped fiber; erbium-doped fibers; high-resolution distributed-gain measurements; high-resolution reflectometry; nondestructive determination; optical communications equipment; optimum length; precise measurements; probe conditions; pump conditions; Frequency measurement; Gain measurement; Optical detectors; Optical fiber filters; Optical filters; Optical pumping; Reflectometry; Spontaneous emission; Stimulated emission; Time measurement;
Journal_Title :
Photonics Technology Letters, IEEE
