Results 251 to 260 of about 524,666 (307)
Some of the next articles are maybe not open access.
Second-harmonic generation in second-harmonic fiber Bragg gratings
Applied Optics, 1996We consider the production of second-harmonic light in gratings resonant with the generated field, through a Green's function approach. We recover some standard results and obtain new limits for the uniform grating case. With the extension to nonuniform gratings, we find the Green's function for the second harmonic in a grating with an arbitrary phase ...
M J, Steel, C M, de Sterke
openaire +2 more sources
Ultrafast Adiabatic Second Harmonic Generation
Conference on Lasers and Electro-Optics, 2017We introduce a generalization of the adiabatic frequency conversion method for an efficient conversion of ultrashort pulses in the full nonlinear regime. Our analysis takes into account dispersion as well as two-photon processes and Kerr effect, allowing complete analysis of any three waves with arbitrary phase mismatched design and any nonlinear ...
Dahan, Asaf +3 more
openaire +2 more sources
Strong Second- and Third-Harmonic Generation in 1D Chiral Hybrid Bismuth Halides.
Journal of the American Chemical Society, 2021Breaking the symmetry of a crystal structure can enable even-order nonlinear activities, including second-harmonic generation (SHG). The emerging chiral hybrid organic-inorganic metal halides feature unique optical and electronic properties and flexible ...
Linhua Yao +15 more
semanticscholar +1 more source
Quasi-BIC Resonant Enhancement of Second-Harmonic Generation in WS2 Monolayers.
Nano letters (Print), 2020Atomically thin monolayers of transition metal dichalcogenides (TMDs) emerged as a promising class of novel materials for optoelectronics and nonlinear optics.
Nils Bernhardt +9 more
semanticscholar +1 more source
Second-Harmonic Generation in Resonant Nonlinear Metasurfaces Based on Lithium Niobate.
Nano letters (Print), 2020Lithium niobate is an excellent and widely used material for nonlinear frequency conversion due to its strong optical nonlinearity and broad transparency region.
A. Fedotova +9 more
semanticscholar +1 more source
Journal of the American Chemical Society
Oxides have attracted considerable attention owing to their potential for nonlinear optical (NLO) applications. Although significant progress has been achieved in optimizing the structural characteristics of primitives (corresponding to the simplest ...
Lu Qi +7 more
semanticscholar +1 more source
Oxides have attracted considerable attention owing to their potential for nonlinear optical (NLO) applications. Although significant progress has been achieved in optimizing the structural characteristics of primitives (corresponding to the simplest ...
Lu Qi +7 more
semanticscholar +1 more source
Second harmonic generation in 2D layered materials
2D Materials, 2020Second harmonic generation (SHG) of two-dimensional (2D) layered materials has attracted immense research interests due to the abilities of photon generation, manipulation, transmission, detection, and imaging for the applications of modern on-chip ...
Jiantian Zhang +4 more
semanticscholar +1 more source
Mesoscopic second harmonic generation
Physical Review Letters, 1993The low frequency second-harmonic transport response of multiprobe mesoscopic systems is analyzed using perturbation theory without explicit dephasing mechanisms. The intuitive conjecture that the second order transport current may be viewed as a linear conductance probing a distorted scattering potential is explicitly demonstrated in zero magnetic ...
openaire +2 more sources
Second Harmonic Generation Control in 2D Layered Materials: Status and Outlook
Advanced Functional MaterialsSecond harmonic generation (SHG) as an essential nonlinear optical effect, has gradually shifted its research trend toward the integration and miniaturization of photonic and optoelectronic on‐chip devices in recent years.
Wenjuan Huang +4 more
semanticscholar +1 more source
Physical Review A, 1991
We calculate the electric-field-induced second-harmonic-generation (EFISH) susceptibility of a homogeneously broadened two-level system with permanent dipole moments. This susceptibility has contributions from the second-harmonic-generation (SHG) susceptibility of the same system without the presence of a dc field and the four-wave-mixing (FWM ...
, Bavli, , Band
openaire +2 more sources
We calculate the electric-field-induced second-harmonic-generation (EFISH) susceptibility of a homogeneously broadened two-level system with permanent dipole moments. This susceptibility has contributions from the second-harmonic-generation (SHG) susceptibility of the same system without the presence of a dc field and the four-wave-mixing (FWM ...
, Bavli, , Band
openaire +2 more sources