[1] |
Ray, P. C. Size and shape dependent second order nonlinear optical properties of nanomaterials and their application in biological and chemical sensing. Chem. Revi. 110, 5332–5365 (2010). doi: 10.1021/cr900335q |
[2] |
Zipfel, W. R. et al. Live tissue intrinsic emission microscopy using multiphoton-excited native fluorescence and second harmonic generation. Proc. Natl Acad. Sci. USA 100, 7075–7080 (2003). doi: 10.1073/pnas.0832308100 |
[3] |
Karvonen, L. et al. Rapid visualization of grain boundaries in monolayer MoS2 by multiphoton microscopy. Nat. Commun. 8, 15714 (2017). doi: 10.1038/ncomms15714 |
[4] |
Yu, H. K. et al. Single nanowire optical correlator. Nano Lett. 14, 3487–3490 (2014). doi: 10.1021/nl5010477 |
[5] |
Wolf, R. et al. Cascaded second-order optical nonlinearities in on-chip micro rings. Opt. Express 25, 29927–29933 (2017). doi: 10.1364/OE.25.029927 |
[6] |
Seyler, K. L. et al. Electrical control of second-harmonic generation in a WSe2 monolayer transistor. Nat. Nanotechnol. 10, 407–411 (2015). doi: 10.1038/nnano.2015.73 |
[7] |
Ren, M. L. et al. Enhanced second-harmonic generation from metal-integrated semiconductor nanowires via highly confined whispering gallery modes. Nat. Commun. 5, 5432 (2014). doi: 10.1038/ncomms6432 |
[8] |
Celebrano, M. et al. Mode matching in multiresonant plasmonic nanoantennas for enhanced second harmonic generation. Nat. Nanotechnol. 10, 412–417 (2015). doi: 10.1038/nnano.2015.69 |
[9] |
Fürst, J. U. et al. Naturally phase-matched second-harmonic generation in a whispering-gallery-mode resonator. Phys. Rev. Lett. 104, 153901 (2010). doi: 10.1103/PhysRevLett.104.153901 |
[10] |
Guo, X. et al. On-chip strong coupling and efficient frequency conversion between telecom and visible optical modes. Phys. Rev. Lett. 117, 123902 (2016). doi: 10.1103/PhysRevLett.117.123902 |
[11] |
Guo, X., Zou, C. L. & Tang, H. X. Second-harmonic generation in aluminum nitride microrings with 2500%/W conversion efficiency. Optica 3, 1126–1131 (2016). doi: 10.1364/OPTICA.3.001126 |
[12] |
Wei, H. et al. Plasmon waveguiding in nanowires. Chem. Rev. 118, 2882–2926 (2018). doi: 10.1021/acs.chemrev.7b00441 |
[13] |
Fang, Y. R. & Sun, M. T. Nanoplasmonic waveguides: towards applications in integrated nanophotonic circuits. Light Sci. Appl. 4, e294 (2015). doi: 10.1038/lsa.2015.67 |
[14] |
Simon, H. J., Mitchell, D. E. & Watson, J. G. Optical second-harmonic generation with surface plasmons in silver films. Phys. Rev. Lett. 33, 1531–1534 (1974). doi: 10.1103/PhysRevLett.33.1531 |
[15] |
Chen, C. K., De Castro, A. R. B. & Shen, Y. R. Surface-enhanced second-harmonic generation. Phys. Rev. Lett. 46, 145–148 (1981). doi: 10.1103/PhysRevLett.46.145 |
[16] |
Canfield, B. K. et al. Local field asymmetry drives second-harmonic generation in noncentrosymmetric nanodimers. Nano Lett. 7, 1251–1255 (2007). doi: 10.1021/nl0701253 |
[17] |
Li, Y. et al. Transversely divergent second harmonic generation by surface plasmon polaritons on single metallic nanowires. Nano Lett. 17, 7803–7808 (2017). doi: 10.1021/acs.nanolett.7b04016 |
[18] |
Timpu, F. et al. Enhanced second-harmonic generation from sequential capillarity-assisted particle assembly of hybrid nanodimers. Nano Lett. 17, 5381–5388 (2017). doi: 10.1021/acs.nanolett.7b01940 |
[19] |
Chauvet, N. et al. Hybrid KTP–plasmonic nanostructures for enhanced nonlinear optics at the nanoscale. ACS Photonics 7, 665–672 (2020). doi: 10.1021/acsphotonics.9b01484 |
[20] |
Gili, V. F. et al. Metal–dielectric hybrid nanoantennas for efficient frequency conversion at the anapole mode. Beilstein J. Nanotechnol. 9, 2306–2314 (2018). doi: 10.3762/bjnano.9.215 |
[21] |
Linnenbank, H. et al. Second harmonic generation spectroscopy on hybrid plasmonic/dielectric nanoantennas. Light Sci. Appl. 5, e16013 (2016). doi: 10.1038/lsa.2016.13 |
[22] |
Cambiasso, J. et al. Bridging the gap between dielectric nanophotonics and the visible regime with effectively lossless gallium phosphide antennas. Nano Lett. 17, 1219–1225 (2017). doi: 10.1021/acs.nanolett.6b05026 |
[23] |
Shi, J. J. et al. Efficient second harmonic generation in a hybrid plasmonic waveguide by mode interactions. Nano Lett. 19, 3838–3845 (2019). doi: 10.1021/acs.nanolett.9b01004 |
[24] |
Chen, J. Y. et al. Modal phase matched lithium niobate nanocircuits for integrated nonlinear photonics. OSA Continuum 1, 229–242 (2018). doi: 10.1364/OSAC.1.000229 |
[25] |
Ueno, Y., Ricci, V. & Stegeman, G. I. Second-order susceptibility of Ga0.5In0.5P crystals at 1.5 µm and their feasibility for waveguide quasi-phase matching. J. Opt. Soc. Am. B 14, 1428–1436 (1997). doi: 10.1364/JOSAB.14.001428 |
[26] |
Sauvage, S. et al. Normal-incidence (001) second-harmonic generation in ordered Ga0.5In0.5P. J. Opt. Soc. Am. B 18, 81–84 (2001). |
[27] |
De Ceglia, D. et al. Second-harmonic generation in mie-resonant GaAs nanowires. Appl. Sci. 9, 3381 (2019). doi: 10.3390/app9163381 |
[28] |
Liu, S. et al. Resonantly enhanced second-harmonic generation using Ⅲ-Ⅴ semiconductor all-dielectric metasurfaces. Nano Lett. 16, 5426–5432 (2016). doi: 10.1021/acs.nanolett.6b01816 |
[29] |
Timofeeva, M. et al. Anapoles in free-standing Ⅲ-Ⅴ nanodisks enhancing second-harmonic generation. Nano Lett. 18, 3695–3702 (2018). doi: 10.1021/acs.nanolett.8b00830 |
[30] |
Buckley, S. et al. Second-harmonic generation in GaAs photonic crystal cavities in (111)B and (001) crystal orientations. ACS Photonics 1, 516–523 (2014). doi: 10.1021/ph500054u |
[31] |
Saleh, B. E. A. & Teich, M. C. Fundamentals of Photonics. 2nd edn. (Wiley, Hoboken, 2007). |
[32] |
Shi, J. J. et al. Steering second-harmonic beams in nanophotonic waveguides by gratings. ACS Photonics 6, 3142–3149 (2019). doi: 10.1021/acsphotonics.9b01218 |
[33] |
Liu, N. et al. Lithographically defined, room temperature low threshold subwavelength red-emitting hybrid plasmonic lasers. Nano Lett. 16, 7822–7828 (2016). doi: 10.1021/acs.nanolett.6b04017 |
[34] |
Aouani, H. et al. Multiresonant broadband optical antennas as efficient tunable nanosources of second harmonic light. Nano Lett. 12, 4997–5002 (2012). doi: 10.1021/nl302665m |
[35] |
Oulton, R. F. et al. A hybrid plasmonic waveguide for subwavelength confinement and long-range propagation. Nat. Photonics 2, 496–500 (2008). doi: 10.1038/nphoton.2008.131 |
[36] |
Liu, N. et al. Plasmonic amplification with ultra-high optical gain at room temperature. Sci. Rep. 3, 1967 (2013). doi: 10.1038/srep01967 |
[37] |
Grange, R. et al. Far-field imaging for direct visualization of light interferences in GaAs nanowires. Nano Lett. 12, 5412–5417 (2012). doi: 10.1021/nl302896n |
[38] |
Davoyan, A. R., Shadrivov, I. V. & Kivshar, Y. S. Quadratic phase matching in nonlinear plasmonic nanoscale waveguides. Opt. Express 17, 20063–20068 (2009). doi: 10.1364/OE.17.020063 |
[39] |
Zhang, J. H. et al. Highly efficient phase-matched second harmonic generation using an asymmetric plasmonic slot waveguide configuration in hybrid polymer-silicon photonics. Opt. Express 21, 14876–14887 (2013). doi: 10.1364/OE.21.014876 |
[40] |
Wang, C. et al. Second harmonic generation in nano-structured thin-film lithium niobate waveguides. Opt. Express 25, 6963–6973 (2017). doi: 10.1364/OE.25.006963 |