Highly efficient cascaded difference‐frequency generation in periodically poled LiNbO3 devices with resonators

Medientyp: E-Artikel
Titel: Highly efficient cascaded difference‐frequency generation in periodically poled LiNbO3 devices with resonators
Beteiligte: Tomita, Isao
Erschienen: Wiley, 2018
Erschienen in: IEEJ Transactions on Electrical and Electronic Engineering
Sprache: Englisch
DOI: 10.1002/tee.22687
ISSN: 1931-4973; 1931-4981
Schlagwörter: Electrical and Electronic Engineering
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Beschreibung: <jats:p>A method for highly efficient cascaded difference frequency generation (DFG) using a periodically poled LiNbO<jats:sub>3</jats:sub> (PPLN) device with resonators is proposed, where the function of a PPLN device with resonators for second‐harmonic generation (SHG) put forward by Fujimura <jats:italic>et al.</jats:italic> is modified so that it can fit the cascaded DFG process including intermediate SHG. This modification successfully provides about 50 times higher efficiency than that without resonators in cascaded DFG by power enhancement in intermediate SHG with perfect resonators, although the SHG PPLN device of Fujimura <jats:italic>et al.</jats:italic> provided only eight times higher efficiency than that without resonators because of imperfect resonators. © 2018 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.</jats:p>

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