Microwatts continuous-wave pumped second harmonic generation in few-and mono-layer GaSe
We demonstrate the first achievement of continuous-wave (CW) pumped second harmonic
generation (SHG) in few-and mono-layer gallium selenide (GaSe) flakes, which are coated …
generation (SHG) in few-and mono-layer gallium selenide (GaSe) flakes, which are coated …
Giant Enhancement of Continuous Wave Second Harmonic Generation from Few-Layer GaSe Coupled to High-Q Quasi Bound States in the Continuum
Two-dimensional (2D) layered materials such as GaSe recently have emerged as novel
nonlinear optical materials with exceptional properties. Although exhibiting large nonlinear …
nonlinear optical materials with exceptional properties. Although exhibiting large nonlinear …
Second harmonic generation in germanium quantum wells for nonlinear silicon photonics
Second-harmonic generation (SHG) is a direct measure of the strength of second-order
nonlinear optical effects, which also include frequency mixing and parametric oscillations …
nonlinear optical effects, which also include frequency mixing and parametric oscillations …
Second harmonic and sum-frequency generations from a silicon metasurface integrated with a two-dimensional material
Silicon-based nonlinear metasurfaces were implemented only with third-order nonlinearity
due to the crystal centrosymmetry and the efficiencies are considerably low, which hinders …
due to the crystal centrosymmetry and the efficiencies are considerably low, which hinders …
Anisotropic third‐harmonic generation in layered germanium selenide
Germanium selenide (GeSe) is a 2D layered material with an anisotropic crystal structure
analogous to black phosphorus (BP). But unlike BP, GeSe is stable under ambient …
analogous to black phosphorus (BP). But unlike BP, GeSe is stable under ambient …
A High‐Index Ge2Sb2Te5‐Based Fabry–Perot Cavity and Its Application for Third‐Harmonic Generation
Third‐order harmonic generation (THG) plays a vital role in microscopy, optical
communications, etc. Conventional methods of obtaining efficient THG in macroscopic …
communications, etc. Conventional methods of obtaining efficient THG in macroscopic …
Silicon photonic crystal cavity enhanced second-harmonic generation from monolayer WSe2
Nano-resonators integrated with two-dimensional materials (eg transition metal
dichalcogenides) have recently emerged as a promising nano-optoelectronic platform. Here …
dichalcogenides) have recently emerged as a promising nano-optoelectronic platform. Here …
Broadband and efficient second-harmonic generation from a hybrid dielectric metasurface/semiconductor quantum-well structure
A prominent nonlinear optical phenomenon that is extensively studied using nanostructured
materials is second-harmonic generation (SHG) as it has applications in various fields …
materials is second-harmonic generation (SHG) as it has applications in various fields …
Efficient second‐harmonic generation from silicon slotted nanocubes with bound states in the continuum
Optical materials with centrosymmetry, such as silicon and germanium, are unfortunately
absent of second‐order nonlinear optical responses, hindering their developments in …
absent of second‐order nonlinear optical responses, hindering their developments in …
Directly grown crystalline gallium phosphide on sapphire for nonlinear all-dielectric nanophotonics
Efficient second harmonic generation (SHG) in nanophotonic designs based on all-dielectric
nanostructures demands materials with large values of the quadratic nonlinear …
nanostructures demands materials with large values of the quadratic nonlinear …