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  • Baghban, Mohammad Amin, et al. (author)
  • Bragg gratings in thin-film LiNbO3 waveguides
  • 2017
  • In: Optics Express. - : Optical Society of America. - 1094-4087. ; 25:26, s. 32323-32332
  • Journal article (peer-reviewed)abstract
    • We design, fabricate and characterize sidewall corrugated Bragg gratings in a high confinement integrated optics lithium niobate platform, comprising submicrometric photonic wires, tapers and grating couplers to interface off-chip standard telecom optical fibers. We analyze the grating performance as band-rejection filter for TE-polarized signals in the telecom C-band, considering both rectangular and sinusoidal sidewall profiles, and demonstrate record extinction ratios as high as 27 dB and rejection bandwidths as narrow as 3 nm. The results show the potential for an efficient integration of novel photonic functionalities into low-footprint LiNbO3 nonlinear and electro-optical waveguide devices.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Gylfason, Kristinn B ... (1)
Gallo, Katia (1)
Baghban, Mohammad Am ... (1)
Schollhammer, Jean (1)
Errando-Herranz, Car ... (1)
University
Royal Institute of Technology (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2017 (1)

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