Optical fiber amplifier with reduced noise

Details Optical fiber amplifier with reduced noise Optical fiber amplifier with reduced noise

2006-03-28

2006-03-28

Healy, Brian (Department: 2883)

Optical waveguides

With disengagable mechanical connector

Optical fiber to a nonfiber optical device connector

C104S115000, C359S341100, C372S006000

Reexamination Certificate

active

07018111

ABSTRACT:
A light amplifier includes a source of multiple light beams, each modulated with the same information, and a plurality of light amplifying optical fibers, each amplifying one of the light beams. The amplified light from each amplifying fiber is converted to electric form, and the electrical signals are summed to add the information and average the noise. In one embodiment, the bundle of fibers is twisted as it is wound about a cylinder, to average the compressive and tension forces on the fibers of the bundle. In another embodiment, a common cladding surrounds a bundle of fibers.

REFERENCES:
patent: 4955685 (1990-09-01), Garman
patent: 5373526 (1994-12-01), Lam et al.
patent: 6400871 (2002-06-01), Minden
patent: 6826335 (2004-11-01), Grudinin et al.

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