Nonlinear frequency conversion in optical nanoantennas and metasurfaces: materials evolution and fabrication

Year: 2018

Authors: Rahmani M., Leo G., Brener I., Zayats A.V., Maier SA., De Angelis C., Tan H., Gili V.F., Karouta F., Oulton R., Vora K., Lysevych M., Staude I., Xu L., Miroshnichenko A.E., Jagadish C., Neshev D.N.

Autors Affiliation: Australian Natl Univ, Res Sch Phys & Engn, Canberra, ACT 2601, Australia;‎ Univ Paris Diderot Sorbonne Paris Cite, Mat & Phenomenes Quant, 10 Rue A Domon & L Duquet, F-75013 Paris, France; Sandia Natl Labs, Ctr Integrated Nanotechnol, Albuquerque, NM 87185 USA: Kings Coll London, Dept Phys, London WC2R 2LS, England;‎ Imperial Coll London, Dept Phys, Blackett Lab, London SW7 2AZ, England;‎ Ludwig Maximilians Univ Munchen, Fak Phys, Nano Inst Munich, Chair Hybrid Nanosyst, Munich, Germany; Univ Brescia, Dept Informat Engn, Via Branze 38, I-25123 Brescia, Italy;‎ CNR, INO, Via Branze 38, I-25123 Brescia, Italy;‎ Friedrich Schiller Univ Jena, Abbe Ctr Photon, Inst Appl Phys, D-07745 Jena, Germany;‎ Univ New South Wales, Sch Engn & Informat Technol, Canberra, ACT 2600, Australia

Abstract: Nonlinear frequency conversion is one of the most fundamental processes in nonlinear optics. It has a wide range of applications in our daily lives, including novel light sources, sensing, and information processing. It is usually assumed that nonlinear frequency conversion requires large crystals that gradually accumulate a strong effect. However, the large size of nonlinear crystals is not compatible with the miniaturisation of modern photonic and optoelectronic systems. Therefore, shrinking the nonlinear structures down to the nanoscale, while keeping favourable conversion efficiencies, is of great importance for future photonics applications. In the last decade, researchers have studied the strategies for enhancing the nonlinear efficiencies at the nanoscale, e.g. by employing different nonlinear materials, resonant couplings and hybridization techniques. In this paper, we provide a compact review of the nanomaterials-based efforts, ranging from metal to dielectric and semiconductor nanostructures, including their relevant nanofabrication techniques.

Journal/Review: OPTO-ELECTRONIC ADVANCES

Volume: 1 (10)      Pages from: 180021-1  to: 180021-12

KeyWords: nonlinear nanophotonics; metallic nanoantennas; dielectric nanoantennas; III-V semiconductor nanoantenna; nanofabrication
DOI: 10.29026/oea.2018.180021

Citations: 66
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