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Phase-matched SHG in periodically poled LiNbO3 waveguides: A novel configuration

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Abstract

We present a feasiblity study of a new method for enhancing the continuously phase matched second harmonic generation in 2D PPLN optical waveguides fabricated using the off-center Czochralski technique and proton-exchange. We show that a periodic variation of the nonlinear coefficient along the transverse coordinate permits for efficient energetic exchanges.

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Abbreviations

BPM:

beam propagation method

CMT:

coupled mode theory

FF:

fundamental frequency

PE:

proton exchange

PPLN:

periodically poled lithium niobate

SH:

second harmonic

SHG:

second harmonic generation

SVEA:

slowly varying envelope approximation

QPM:

quasi-phase matching

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Authors and Affiliations

  1. Information Engineering Department, University of Padova, Via Gradenigo 6/b, 35131, Padova, Italy

    F. M. Pigozzo, E. Autizi & A. -D. Capobianco

  2. Physics Department, University of Padova, Via Marzolo 8, 35131, Padova, Italy

    N. Argiolas, M. Bazzan & C. Sada

Authors
  1. F. M. Pigozzo
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  2. E. Autizi
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  3. A. -D. Capobianco
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  4. N. Argiolas
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  5. M. Bazzan
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  6. C. Sada
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Corresponding author

Correspondence to F. M. Pigozzo.

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Pigozzo, F.M., Autizi, E., Capobianco, A.D. et al. Phase-matched SHG in periodically poled LiNbO3 waveguides: A novel configuration. Opt Quant Electron 38, 889–901 (2006). https://doi.org/10.1007/s11082-006-9033-9

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  • DOI: https://doi.org/10.1007/s11082-006-9033-9

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