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Determination of nonlinear coefficient n2/Aeff using self-aligned interferometer and Faraday mirror

Determination of nonlinear coefficient n2/Aeff using self-aligned interferometer and Faraday mirror

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A method for measuring the nonlinear coefficient n2/Aeff in telecom fibres at 1550 nm is presented. The method is based on determining the Kerr phase shift detected by a self-aligned interferometer incorporating a Faraday mirror. This makes the setup very robust, and different test fibres can be measured without the need for any further readjustments.

Inspec keywords: optical fibre testing; mirrors; light interferometry; nonlinear optics; refractive index; optical variables measurement; optical communication equipment

Other keywords: self-aligned interferometer; telecom fibres; Faraday mirror; 1550 nm; Kerr phase shift; nonlinear coefficient determination

Subjects: Optical variables measurement; Optical communication equipment; Nonlinear optics; Optical communication devices, equipment and systems; Optical fibre testing and measurement of fibre parameters; Nonlinear optics and devices; Fibre optics; Optical interferometry

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