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US 2002/0118445 A1Published application
Long wavelength optical amplifier
AssigneePhoton-X, Inc.
InventorsAydin Yeniay, Renyuan Gao
Life of this patent
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Abstract
An L band optical amplifier in disclosed. The optical amplifier includes a signal line which has an input, an output disposed optically downstream of the input, and an amplifying gain medium optically disposed between the input and the output. The optical amplifier further includes a laser optically connected to the first amplifying gain medium and an apparatus for directing C band light into the amplifying gain medium.
Claims14
An L band optical amplifier comprising:
- a signal line including:
- an input;
- an output disposed optically downstream of the input;
- and
- an amplifying gain medium optically disposed between the input and the output;
- a laser optically connected to the amplifying gain medium;
- and
- means for directing C band light into the amplifying gain medium, wherein the means comprises at least one reflective element optically disposed in the signal line between the input and the amplifying gain medium.
5 more elements
An L band optical amplifier comprising:
- a signal line including:
- an input;
- an output disposed optically downstream of the input;
- and
- an amplifying gain medium optically disposed between the input and the output;
- a laser optically connected to the amplifying gain medium;
- and
- means for directing C band light into the amplifying gain medium, wherein the means comprises a C band seed pump and a C-L band coupler optically connecting the C band seed pump to the signal line.
5 more elements
Dependencies are inferred from the claim text.