In this work we study second-harmonic generation of a monocrystalline nanoparticle with a noncentrosymmetric crystalline lattice. It was shown that breaking the symmetry of the nanopartide's shape can significantly affect the second-harmonic radiation pattern. We propose a method for explaining and predicting the generated field for arbitrary nanoparticles and provide selection rules for nanoparticles with several different symmetries. (C) 2019 Optical Society of America
机构:
St Petersburg Acad Univ RAS, Khlopina Str 8-3, St Petersburg 194021, Russia
Peter Great St Petersburg Polytech Univ, Polytech Skaya Str 29, St Petersburg 195251, RussiaSt Petersburg Acad Univ RAS, Khlopina Str 8-3, St Petersburg 194021, Russia
Scherbak, Sergey A.
Lipovskii, Andrey A.
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St Petersburg Acad Univ RAS, Khlopina Str 8-3, St Petersburg 194021, Russia
Peter Great St Petersburg Polytech Univ, Polytech Skaya Str 29, St Petersburg 195251, RussiaSt Petersburg Acad Univ RAS, Khlopina Str 8-3, St Petersburg 194021, Russia
机构:
Ben Gurion Univ Negev, Unit Electopt Engn, IL-8410501 Beer Sheva, IsraelBen Gurion Univ Negev, Unit Electopt Engn, IL-8410501 Beer Sheva, Israel
Reddy, K. Nireekshan
Chen, Parry Y.
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Ben Gurion Univ Negev, Unit Electopt Engn, IL-8410501 Beer Sheva, Israel
Tel Aviv Univ, Raymond & Beverly Sackler Fac Exact Sci, Sch Phys & Astron, IL-69978 Tel Aviv, IsraelBen Gurion Univ Negev, Unit Electopt Engn, IL-8410501 Beer Sheva, Israel
Chen, Parry Y.
Fernandez-Dominguez, Antonio I.
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Univ Autonoma Madrid, Dept Fis Teor Mat Condensada, E-28049 Madrid, Spain
Univ Autonoma Madrid, Condensed Matter Phys Ctr IFIMAC, E-28049 Madrid, SpainBen Gurion Univ Negev, Unit Electopt Engn, IL-8410501 Beer Sheva, Israel
Fernandez-Dominguez, Antonio I.
Sivan, Yonatan
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Ben Gurion Univ Negev, Unit Electopt Engn, IL-8410501 Beer Sheva, IsraelBen Gurion Univ Negev, Unit Electopt Engn, IL-8410501 Beer Sheva, Israel