Glasses for high efficiency erbium (3+) optical fiber lasers, am

Details Glasses for high efficiency erbium (3+) optical fiber lasers, am Glasses for high efficiency erbium (3+) optical fiber lasers, am

1989-06-16

1990-10-16

Lee, John D.

Coherent light generators

Particular component circuitry

Optical pumping

350 9629, 372 6, 372 40, 501 37, 501 40, 501900, G02B 100, C03C 1304

Patent

active

049629956

ABSTRACT:
Glass compositions for high efficiency erbium.sup.3+ -doped optical fiber lasers, amplifiers and superluminescent sources are optimized for pumping by high power solid state lasers in the vicinity of 800 nm to provide amplified signals in wavelengths between 1.5 and 1.7 microns, a principal telecommunications window. A number of suitable host glasses for doping with erbium 3+ are identified wherein the excited state absorption/ground state absorption intensity ratio calculated at 800 nm is 1.00 or less.

REFERENCES:
patent: 4044315 (1977-08-01), Snitzer
patent: 4637025 (1987-01-01), Snitzer et al.
patent: 4717691 (1988-01-01), Lucas et al.
patent: 4788687 (1988-11-01), Miniscalco et al.
L. J. Andrews, W. Miniscalco, and T. Wei, Excited State Absorption in Fiber Amplifiers, Proc. Int. School on Excited States of Trans. Metals, Wroclaw, Poland, Jun. 20, 1988.
W. J. Miniscalco, L. J. Andrews, B. A. Thompson, T. Wei and B. T. Hall .sup.4 I.sub.13/2 -.sup.4 I.sub.15/2 Emission and Absorption Cross Sections for Er.sup.3 + Doped Glasses, OSA Proc. of the 1989 Tunable Solid State Lasers Conference, May 1989.
J. R. Armitage, G. G. Atkins, R. Wyath, B. J. Ainslie, S. P. Craig, Spectroscopic Studies of Er.sup.3+ Doped Single Mode Silica Fibre, Topical Meeting on Tunable Solid State Lasers, OFC/IOOC '87, Technical Digest Series, vol. 20, p. 193'ff.
T. J. Whitley, T. G. Hodgkinson, 1.54 .mu.m Er.sup.3+ -Doped Fiber Amplifier Optically Pumped at 807 .mu.m, ECOC, 1988.

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