Draka Comteq B.v.

Alcatel Lucent

Christine Collet

Alain Pastouret

Ekaterina Burov

Stéphanie Blanchandin

Olivier Cavani

Sophie De Monredon

Jean-Pierre Jolivet

Corinne Chaneac

Laurent Gasca

Cedric Gonnet

David Boivin

Cédric Gonnet

Disclosed is a stimulated Raman scattering effect (SRS), amplifying optical fiber that includes a central core comprising a dielectric matrix that is capable of vibrating at a given frequency (&#x3c9;) under the effect of a pump signal. The optical fiber includes at least one kind of metallic nanostructure that is capable of generating surface plasmon resonance (SPR) in the optical fiber. The metallic nanostructures have a shape and composition such that the frequency of their surface plasmon resonance (&#x3c9;) corresponds to the frequency of the pump signal (&#x3c9;) and/or the frequency of the optical signal transmitted in the optical fiber (&#x3c9;).

Optical fiber amplifier having nanostructures

An amplifier optical fiber comprising a central core of a dielectric matrix doped with at least one element ensuring the amplification of an optical signal transmitted in the fiber and a cladding surrounding the central core and suitable for confining the optical signal transmitted in the core. The fiber also comprises metallic nanostructures suitable for generating an electronic surface resonance in the dielectric matrix of central core, the wavelength of said electronic surface resonance corresponding to an excitation level of the element ensuring the amplification.

Amplifier optical fiber comprising nanoparticles and production method

Disclosed is an amplifying optical fiber having a central core and an optical cladding surrounding the central core. The central core is based on a silica matrix that includes nanoparticles, which are composed of a matrix material that includes doping ions of at least one rare earth element. The amplifying optical fiber can be employed, for example, in an optical amplifier and an optical laser.

Amplifying optical fiber and method of manufacturing

The invention relates to an optical fiber comprising a gain medium which is equipped with: a core () which is formed from a transparent material and nanoparticles () comprising a doping element and at least one element for enhancing the use of said doping element; and an outer cladding () which surrounds the core. The invention is characterized in that the doping element is erbium (Er) and in that the enhancing element is selected from among antimony (Sb), bismuth (Bi) and a combination of antimony (Sb) and bismuth (Bi). According to the invention, one such fiber is characterized in that the size of the nanoparticles is variable and is between 1 and 500 nanometers inclusive, and preferably greater than 20 nm.

Optical guide including nanoparticles and manufacturing method for a preform intended to be shaped into such an optical guide

The invention relates to an optical fiber comprising a gain medium which is equipped with: a core () which is formed from a transparent material and nanoparticles () comprising a doping element and at least one element for enhancing the use of said doping element; and an outer cladding () which surrounds the core. The invention is characterised in that the doping element is erbium (Er) and in that the enhancing element is selected from among antimony (Sb), bismuth (Bi) and a combination of antimony (Sb) and bismuth (Bi). According to the invention, one such fiber is characterised in that the size of the nanoparticles is variable and is between 1 and 500 nanometers inclusive, and preferably greater than 20 nm.

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Mennecy, France

Christine Collet