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Applied Optics

Applied Optics


  • Vol. 37, Iss. 27 — Sep. 20, 1998
  • pp: 6362–6365

Nondestructive method for measuring the degree of cluster-induced quenching in Er3+-doped waveguides and fibers

Chen-Chun Ye, Bozena Jaskorzynska, Sten Helmfrid, and Pierre-Yves Fonjallaz  »View Author Affiliations

Applied Optics, Vol. 37, Issue 27, pp. 6362-6365 (1998)

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Ion clustering is one of the major dissipative processes in the operation of Er3+-doped planar waveguide amplifiers and heavily doped fiber amplifiers. We propose and demonstrate a nondestructive method for measuring the fraction of erbium ions in doped planar waveguides and fibers that are quenched by ultrafast parasitic energy transfer in ion pairs or clusters. The method is based on unsaturable absorption measurements in the 980-nm absorption band. By combining transmission data at resonance with the corresponding data for radiation outside the absorption band, the influence of background and coupling losses can be eliminated.

© 1998 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(060.2410) Fiber optics and optical communications : Fibers, erbium
(130.0130) Integrated optics : Integrated optics
(140.4480) Lasers and laser optics : Optical amplifiers
(160.5690) Materials : Rare-earth-doped materials
(160.6030) Materials : Silica
(300.1030) Spectroscopy : Absorption
(300.6460) Spectroscopy : Spectroscopy, saturation

Original Manuscript: January 23, 1998
Revised Manuscript: June 2, 1998
Published: September 20, 1998

Chen-Chun Ye, Bozena Jaskorzynska, Sten Helmfrid, and Pierre-Yves Fonjallaz, "Nondestructive method for measuring the degree of cluster-induced quenching in Er3+-doped waveguides and fibers," Appl. Opt. 37, 6362-6365 (1998)

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