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Article Dans Une Revue Journal of Lightwave Technology Année : 2011

Wavelength-selective Ti:LiNbO3 multiple Y-Branch coupler based on Focused Ion Beam Milled Bragg reflectors

Résumé

This paper described a wavelength-selective couplers dedicated to drop functionality (spectral-selective couplers dedicated to wavelength demultiplexing). It is consist of two Y junctions: an input two drop channels and an output. The Y-branches distributors of optical power were carried out by a specific geometry of Ti:LiNbO3 waveguides. Each Y junction is composed by two identical bends jointed at one with a weak inclination angle to decrease losses. On each arm of the Y-branches, a Bragg grating (BG) is etched by Focused Ion Beam (FIB) in order to extract a specific wavelength band. A two-channel configuration is adopted which demonstrate a drop functionality of two spectral bands centered at 1123 nm and 1527 nm. The complementary spectrum is avalaible at the coupler output. Index Terms-Bragg reflectors, drop channels, wavelength filtering devices, Y-branch coupler.
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hal-03200777 , version 1 (16-04-2021)

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Kamal Ghoumid, Badr-Eddine Benkelfat, Richard Ferriere, Gwenn Ulliac, Tijani Gharbi. Wavelength-selective Ti:LiNbO3 multiple Y-Branch coupler based on Focused Ion Beam Milled Bragg reflectors. Journal of Lightwave Technology, 2011, 29 (23), pp.3536 - 3541. ⟨10.1109/jlt.2011.2170056⟩. ⟨hal-03200777⟩
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