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Noncritical phasematching behavior in thin-film lithium niobate frequency converters

Published

Author(s)

Paulina Kuo

Abstract

We present a study of noncritical phasematching behavior in thin-film, periodically poled lithium niobate (PPLN) waveguides. Noncritical phasematching refers to designing waveguides so that the phasematching is insensitive to variations in waveguide thickness, width, or other parameters. For waveguide thickness (the dimension with greatest nonuniformity due to fabrication), we found that phasematching sensitivity can be minimized but not eliminated. We estimate limits on the acceptable thickness variation and discuss scaling with device length for second-harmonic generation and sum-frequency generation in thin-film PPLN frequency converters.
Citation
Optics Letters

Citation

Kuo, P. (2021), Noncritical phasematching behavior in thin-film lithium niobate frequency converters, Optics Letters, [online], https://doi.org/10.1364/OL.444846, https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=933300 (Accessed May 25, 2022)
Created December 17, 2021, Updated December 21, 2021