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Amplification-with-chalcogenide-glass-fiber

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Amplification with chalcogenide glass fiber

Details

Inventors: Shaw, L. Brandon; Sanghera, Jasbinder S.; Thielen, Peter; Aggarwal, Ishwar D.;
Assignee:
Primary Examiner: Kim; Robert H.
Assistant Examiner: Caley; Michael H
Attorney, Agent or Firm: Karasek; John J., Kap; George A.

This invention pertains to an optical device and method for using a chalcogenide glass waveguide to amplify a pump light beam by means of stimulated Raman scattering and obtaining a depleted pump light beam and an amplified beam at a wavelength higher than the wavelength of the depleted pump light beam.

DETAILED DESCRIPTION An object of this invention is an optical device which transmits in the wavelength region of up to about 15 μm that has high enough Raman gain, low enough loss, and/or narrow enough linewidth to enable Raman fiber lasers, amplifiers and a method for amplifying a light beam by the use of a chalcogenide glass gain medium/fiber.
Another object of this invention is a method and an optical device utilizing chalcogenide glass fiber to amplify a light beam by means of stimulated Raman scattering.
Another object of this invention is the use of a chalcogenide glass fiber in a Raman amplifier or a Raman laser wherein an optical signal is amplified due to stimulated Raman scattering in the fiber.
Another object of this invention is the method for achieving high efficiency Raman fiber lasers and amplifiers using stimulated Raman scattering in infrared transmissive chalcogenide glass fibers to frequency shift a shorter wavelength pump beam to a longer wavelength Stokes beam.
Another object of this invention is an optical device that is smaller and more compact.

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