Development and experimental demonstration of negative first-order quasi-phase matching in a periodically poled Rb-doped KTiOPO4 crystal | Zendy

Yannick Petit | Zendy; Alexandra Peña | Zendy; Patricia Segonds | Zendy; Jérôme Debray | Zendy; S. Joly | Zendy; Andrius Žukauskas | Zendy; Fredrik Laurell | Zendy; Valdas Pašiškevičius | Zendy; Carlota Canalias | Zendy; Benoı̂t Boulanger | Zendy

Open Access

Development and experimental demonstration of negative first-order quasi-phase matching in a periodically poled Rb-doped KTiOPO₄ crystal

Author(s) -

Yannick Petit,

Alexandra Peña,

Patricia Segonds,

Jérôme Debray,

S. Joly,

Andrius Žukauskas,

Fredrik Laurell,

Valdas Pašiškevičius,

Carlota Canalias,

Benoı̂t Boulanger

Publication year - 2020

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.408839

Subject(s) - quasi phase matching , optics , materials science , phase matching , crystal (programming language) , nonlinear optics , rubidium , doping , phase (matter) , frequency conversion , phase modulation , lithium niobate , modulation (music) , self phase modulation , optoelectronics , physics , laser , phase noise , electrical engineering , potassium , quantum mechanics , computer science , acoustics , metallurgy , programming language , engineering

We worked on a new scheme of quasi-phase matching (QPM) based on the negative first order of the spatial modulation of the sign of the second-order nonlinearity. Applying this scheme in the case of angular-QPM (AQPM) in a biaxial crystal reveals new directions of propagation for efficient parametric frequency conversion as well as "giant" spectral acceptances. The experimental validation is performed in a periodically poled rubidium-doped K T i O P O 4 biaxial crystal. This new approach naturally extends to other periodically poled uniaxial crystals such as periodically poled L i N b O 3 .

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