Nkt Photonics A/s

Peter Morten Moselund

Carsten L Thomsen

Ole Bang

Christian Jacobsen

Simon Toft Sørensen

Christian Jakobsen

Simon Toft Sorensen

Simon Toft SØRENSEN

A supercontinuum source including a pump light source arranged to emit pump light and a nonlinear fiber having a core arranged to receive the pump light. The supercontinuum includes infrared wavelengths generated in the nonlinear fiber from the pump light. The nonlinear fiber has a dispersion profile including a zero dispersion wavelength, a positive peak value at a peak wavelength longer than the zero dispersion wavelength, a minimum value of dispersion at a minimum wavelength longer than the peak wavelength. The pump light is arranged to include substantial energy at one or more preferred pump wavelengths which are 10 nm longer than the zero dispersion wavelength or more. Also, a supercontinuum pump source including a nonlinear fiber having a core including a fluoride glass and having a core diameter smaller than 7 μm, where the fiber has a numerical aperture of more than 0.26.

Long wavelength generation in optical fiber

The invention relates to a supercontinuum source comprising a pump light source arranged to emit pump light and a nonlinear fiber having a core arranged to receive the pump light. The supercontinuum comprises infrared wavelengths generated in the nonlinear fiber from the pump light. The nonlinear fiber has a dispersion profile comprising—a zero dispersion wavelength,—a positive peak value at a peak wavelength longer than the zero dispersion wavelength,—a minimum value of dispersion at a minimum wavelength longer than the peak wavelength. The pump light is arranged to comprise substantial energy at one or more preferred pump wavelengths which are 10 nm longer than the zero dispersion wavelength or more, The invention also relates to a supercontinuum pump source comprising a nonlinear fiber having a core comprising a fluoride glass and having a core diameter smaller than 7 μm, where the fiber has a numerical aperture of more than 0.26.

The invention relates to a tapered optical fiber and a method and drawing tower for producing such an optical fiber. The tapered optical fiber comprising a core region that is capable of guiding light along a longitudinal axis of said optical fiber and a cladding region surrounding said core region. The optical fiber comprises a tapered section arranged between a first longitudinal position and a second longitudinal position, said tapered section comprising a first taper section having a first length, L, over which the optical fiber is tapered down to a taper waist, and a second taper section having a second length, L, over which said optical fiber is tapered up.

Growing community of inventors

Copenhagen, Denmark

Peter Morten Moselund