title: Thermally fixed reflection gratings for infrared light in LiNbO(3):Ti:Fe channel waveguides.
abstract: We present a narrow-bandwidth interference filter in an optical monomode LiNbO>(3):Ti:Fe channel waveguide operating in the infrared wavelength region around lambda = 1.55 microm . The filter consists of a thermally fixed refractive-index Bragg grating recorded with visible green light by use of a holographic technique. In a first approach we measure a reflectivity for the infrared light of 60% and a linewidth (FWHM) of 0.11 nm.
authors: J
authors: J
authors: Hukriede
authors: I
authors: I
authors: Nee
authors: D
authors: D
authors: Kip
authors: E
authors: E
authors: Krätzig