Gain control for optically amplified systems

Details Gain control for optically amplified systems Gain control for optically amplified systems

1994-11-30

1996-07-30

Hellner, Mark

Optical: systems and elements

Optical amplifier

Correction of deleterious effects

359341, 372 6, H01S 300

Patent

active

055417663

ABSTRACT:
A gain control arrangement for an optical amplifier for equalizing its amplification versus wavelength response at specific frequencies. A high loss attenuating fiber with reflective gratings to segregate undesired signals from wanted signals. Using either an optical circulator or a fused fiber splitter the gain control arrangement is coupled to the wide band output of an optical amplifier.

REFERENCES:
patent: 4953939 (1990-09-01), Epworth
patent: 5260823 (1993-11-01), Payne et al.
patent: 5271024 (1993-12-01), Huber
patent: 5283686 (1994-02-01), Huber
patent: 5311606 (1994-05-01), Asakura et al.
patent: 5321708 (1994-06-01), Tohmon et al.
patent: 5323404 (1994-06-01), Grubb

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