Laser module with external cavity and optical fibre reflector

Details Laser module with external cavity and optical fibre reflector Laser module with external cavity and optical fibre reflector

H - Electricity

01

S

H01S 3/1055 (2006.01) H01S 5/14 (2006.01) H01S 5/026 (2006.01) H01S 5/12 (2006.01)

Patent

CA 2268428

A laser module comprises a Fabry-Perot cavity active element with a facet bearing an anti-reflection coating and an external cavity made by an optical fibre Bragg grating with low reflectivity. This grating presents a non-uniform profile of modulation of the refractive index, asymmetrical in the direction of the grating length, such as to give rise to a position of the equivalent mirror plane that is offset towards the end of the grating that is closer to the active element.

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