Nonlinear harmonic generation in nanostructures is one of the key topics in nanophotonics, as it allows infrared-to-visible light conversion at the nanoscale. Indeed, various nanophotonic designs have been developed to demonstrate high efficiencies for third harmonic generation (THG). However, fabrication approaches for these designs usually involve high-cost lithography-based technological steps. This work reports on the efficient THG in a free-standing Si nanowire array encapsulated into a flexible polymer membrane. High nonlinearity of Si material and light coupling with optical resonances in the nanowires yield a strong third-harmonic signal and efficient infrared ( nm) to visible ( nm) upconversion. The fabricated membranes demonstrate high flexibility and transparency, which make them convenient to use as infrared light visualizers.
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11 April 2022
Research Article|
April 11 2022
Large-scale flexible membrane with resonant silicon nanowires for infrared visualization via efficient third harmonic generation
Anna Nikolaeva;
Anna Nikolaeva
1
School of Physics and Engineering, ITMO University, St
. Petersburg 197101, Russian Federation
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Viktoria Mastalieva;
Viktoria Mastalieva
2
Alferov University
, St. Petersburg 194021, Russian Federation
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Alexander S. Gudovskikh
;
Alexander S. Gudovskikh
2
Alferov University
, St. Petersburg 194021, Russian Federation
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Ivan A. Morozov
;
Ivan A. Morozov
2
Alferov University
, St. Petersburg 194021, Russian Federation
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Vladimir V. Fedorov;
Vladimir V. Fedorov
2
Alferov University
, St. Petersburg 194021, Russian Federation
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Mihail Petrov
;
Mihail Petrov
1
School of Physics and Engineering, ITMO University, St
. Petersburg 197101, Russian Federation
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Vladimir Neplokh
;
Vladimir Neplokh
2
Alferov University
, St. Petersburg 194021, Russian Federation
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Ivan S. Mukhin;
Ivan S. Mukhin
2
Alferov University
, St. Petersburg 194021, Russian Federation
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Sergey V. Makarov
Sergey V. Makarov
a)
1
School of Physics and Engineering, ITMO University, St
. Petersburg 197101, Russian Federation
a)Author to whom correspondence should be addressed: s.makarov@metalab.ifmo.ru
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a)Author to whom correspondence should be addressed: s.makarov@metalab.ifmo.ru
Appl. Phys. Lett. 120, 151102 (2022)
Article history
Received:
February 14 2022
Accepted:
March 25 2022
Citation
Anna Nikolaeva, Viktoria Mastalieva, Alexander S. Gudovskikh, Ivan A. Morozov, Vladimir V. Fedorov, Mihail Petrov, Vladimir Neplokh, Ivan S. Mukhin, Sergey V. Makarov; Large-scale flexible membrane with resonant silicon nanowires for infrared visualization via efficient third harmonic generation. Appl. Phys. Lett. 11 April 2022; 120 (15): 151102. https://doi.org/10.1063/5.0088217
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