Remote dual-cavity enhanced second harmonic generation in a hybrid plasmonic waveguide

J Shi, X He, W Chen, Y Li, M Kang, Y Cai, H Xu - Nano Letters, 2022 - ACS Publications
On-chip nanoscale optical platforms capable of efficient second harmonic generation (SHG)
are highly desired for optical sensing, subwavelength coherent sources, and quantum …

Nonlinear nanophotonics based on surface plasmon polaritons

J Shi, Q Guo, Z Shi, S Zhang, H Xu - Applied Physics Letters, 2021 - pubs.aip.org
Surface plasmon polaritons (SPPs), elementary excitation of the hybrid states between
collective motion of electrons and photons, are associated with strong local field …

Direct visualization of phase-matched efficient second harmonic and broadband sum frequency generation in hybrid plasmonic nanostructures

Z Li, B Corbett, A Gocalinska, E Pelucchi… - Light: Science & …, 2020 - nature.com
Second harmonic generation and sum frequency generation (SHG and SFG) provide
effective means to realize coherent light at desired frequencies when lasing is not easily …

Multifunctional light-field modulation based on hybrid nonlinear metasurfaces

S Qian, K Wang, J Yang, C Guan, H Long… - Chinese Physics …, 2023 - iopscience.iop.org
The generation characteristics of nonlinear optical signals and their multi-dimensional
modulation at micro-nano scale have become a prominent research area in nanophotonics …

Efficient frequency mixing of guided surface waves by atomically thin nonlinear crystals

Q Guo, Z Ou, J Tang, J Zhang, F Lu, K Wu, D Zhang… - Nano Letters, 2020 - ACS Publications
Monolayer transition metal dichalcogenides possess considerable second-order nonlinear
coefficients but a limited efficiency of frequency conversion due to the short interaction …

An efficient deep-subwavelength second harmonic nanoantenna based on surface plasmon-coupled dilute nitride GaNP nanowires

Z Luo, C Ma, Y Lin, Q Jiang, B Liu, X Yang, X Yi… - Nano Letters, 2021 - ACS Publications
High-index semiconductor nanoantennae represent a powerful platform for nonlinear
photon generation. Devices with reduced footprints are pivotal for higher integration capacity …

Steering of second-harmonic emission by the mode-selective excitation in a hybrid waveguide

J Shi, X He, Y Li, H Xu - Photonics Research, 2022 - opg.optica.org
Realization of the efficient steering for photons streams from nano sources is essential for
further progress in integrated photonic circuits, especially when involving nonlinear sources …

[PDF][PDF] Second Harmonic Generation Based on Surface Plasmon Polaritons

J Shi, S Zhang, H Xu - author2021.piers.org
On-chip material platforms capable of efficient second harmonic generation (SHG) at the
nanoscale is highly desired for optical sensing, subwavelength coherent light source and …