Optical amplification fiber, optical fiber amplifier, and...

Details Optical amplification fiber, optical fiber amplifier, and... Optical amplification fiber, optical fiber amplifier, and...

2007-04-17

2007-04-17

Doan, Jennifer (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

Utilizing multiple core or cladding

C385S123000, C385S126000, C359S341430

Reexamination Certificate

active

11104563

ABSTRACT:
An optical amplification fiber for an optical fiber amplifier that amplifies a signal light using a pumping light has an absorption coefficient that satisfies conditional relations αs≧2.0 dB/m and αp/αs≧−0.0697×αs+1.30, where αp is the absorption coefficient in a pumping light wavelength band, and αs is the absorption coefficient in a signal light wavelength band.

REFERENCES:
patent: 6400877 (2002-06-01), Kato et al.
patent: 6574406 (2003-06-01), Ainslie et al.
patent: 6804046 (2004-10-01), Kakui et al.
patent: 6903866 (2005-06-01), Aiso
patent: 2003/0128421 (2003-07-01), Aiso
patent: 2002-151772 (2002-05-01), None
patent: 2004-004772 (2004-01-01), None

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