Optical: systems and elements – Optical amplifier – Optical fiber
Patent
1997-09-12
2000-04-18
Hellner, Mark
Optical: systems and elements
Optical amplifier
Optical fiber
359 33, 385 30, H01S 300
Patent
active
060522208
ABSTRACT:
A side-polished fiber/overlay waveguide architecture and process for non-invasively implementing an optical amplifier are provided for an optical communications system. A "channel" overlay waveguide is employed to constrain for amplification optical energy evanescently coupled to the overlay waveguide from the side-polished optical fiber. One of two amplification methods can be employed. The first involves inducing stimulated emission with the overlay waveguide and the second uses a second order, non-linear frequency conversion to down-convert a high-power, short-wavelength pump signal into the waveguide to amplify the optical energy coupled thereto. Amplification of optical energy in the channel overlay waveguide can be established within a single beat length of evanescent removal to evanescent return of the optical energy to the side-polished fiber optic.
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Lawrence Brian L.
McCallion Kevin J.
Shimazu Michael H.
Hellner Mark
Molecular OptoElectronics Corporation
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