Optical amplifier with erbium-doped fiber

Details Optical amplifier with erbium-doped fiber Optical amplifier with erbium-doped fiber

1992-09-22

1993-11-09

Moskowitz, Nelson

Optical: systems and elements

Optical amplifier

Optical fiber

359160, 372 6, G02B 600, H01S 330

Patent

active

052608166

ABSTRACT:
The optical amplification gain of an optical amplifier consisting of an optical amplifier unit and a single-mode erbium-doped fiber can be optimized when the length of the fiber L in meters and the optical absorption in dB/meter of the fiber per unit length at a wavelength of 1.53 .mu.m satisfy the relationship that L.times.y is in the range from 70 to 170 dB by appropriately selecting the doping level of the glass with erbium and the length of the fiber.

REFERENCES:
patent: 3131069 (1992-07-01), Hall et al.
patent: 4959837 (1990-09-01), Fevrier et al.
patent: 5027079 (1991-06-01), Desurvire et al.
Ruhl, F F; Electronics Letters, vol. 27, No. 161 Aug. 1, 1991, pp. 1443-1445; Abst. only supplied.
Becker, P. C.; Laser Focus World, Oct. 1990; pp. 197-203.
Hagimoto et al; Proceeding of Optical Fiber Conference, 1989, pp. 15-1-3.

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