Thermally fixed reflection gratings for infrared light in LiNbO₃:Ti:Fe channel waveguides

Publication date
1998-09
Document type
Research article
Author
Hukriede, J.
Nee, I.
Krätzig, E.
Organisational unit
Universität Osnabrück
DOI
URI
Scopus ID
ISSN
Series or journal
Optics letters
Periodical volume
23
Periodical issue
17
First page
1405
Last page
1407
Part of the university bibliography
Nein
Abstract
We present a narrow-bandwidth interference filter in an optical monomode LiNbO3:Ti:Fe channel waveguide operating in the infrared wavelength region around λ = 1.55 μm. 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. © 1998 Optical Society of America.
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