On-chip frequency comb generation at visible wavelengths via simultaneous second-and third-order optical nonlinearities
Microresonator-based frequency comb generation at or near visible wavelengths would
enable applications in precise optical clocks, frequency metrology, and biomedical imaging …
enable applications in precise optical clocks, frequency metrology, and biomedical imaging …
Photonic–plasmonic coupling of GaAs single nanowires to optical nanoantennas
We successfully demonstrate the plasmonic coupling between metal nanoantennas and
individual GaAs nanowires (NWs). In particular, by using dark-field scattering and second …
individual GaAs nanowires (NWs). In particular, by using dark-field scattering and second …
Integrated silicon nitride electro-optic modulators with atomic layer deposited overlays
Silicon nitride (SiN) is currently the most prominent CMOS-compatible platform for photonics
at wavelengths< 1 μm. However, realizing fast electro-optic (EO) modulators, the key …
at wavelengths< 1 μm. However, realizing fast electro-optic (EO) modulators, the key …
Engineered second-order nonlinearity in silicon nitride
Y Zhang, J Nauriyal, M Song… - Optical Materials …, 2022 - opg.optica.org
The lack of a bulk second-order nonlinearity (χ^(2)) in silicon nitride (Si_3N_4) keeps this
low-loss, CMOS-compatible platform from key active functions such as Pockels electro-optic …
low-loss, CMOS-compatible platform from key active functions such as Pockels electro-optic …
Size-dependent second-harmonic generation from gold nanoparticles
We experimentally and theoretically investigated the second-harmonic (SH) radiation from
spherical gold nanoparticles as function of the particle radius in the range from 40 to 100 …
spherical gold nanoparticles as function of the particle radius in the range from 40 to 100 …
An investigation into second harmonic generation by Si-rich SiNx thin films deposited by RF sputtering over a wide range of Si concentrations
A Kitao, K Imakita, I Kawamura… - Journal of Physics D …, 2014 - iopscience.iop.org
The second-order nonlinearity of Si-rich SiN x thin films prepared by RF sputtering was
investigated. It was found that the second-order nonlinear coefficient (d eff) increases with …
investigated. It was found that the second-order nonlinear coefficient (d eff) increases with …
On the origin of the second-order nonlinearity in strained Si–SiN structures
The development of efficient low-loss electro-optic and nonlinear components based on
silicon or its related compounds, such as nitrides and oxides, is expected to dramatically …
silicon or its related compounds, such as nitrides and oxides, is expected to dramatically …
Third-order optical nonlinearity in silicon nitride films prepared using magnetron sputtering and application for optical bistability
We investigate the third-order optical nonlinearity in silicon nitride (SiN) films prepared using
magnetron sputtering. The large nonlinear refractive index n 2 in SiN prepared at room …
magnetron sputtering. The large nonlinear refractive index n 2 in SiN prepared at room …
[HTML][HTML] Optically modified second harmonic generation in silicon oxynitride thin films via local layer heating
J Lukeš, V Kanclíř, J Václavík, R Melich, U Fuchs… - Scientific Reports, 2023 - nature.com
Strong second harmonic generation (SHG) in silicon nitride has been extensively studied—
among others, in terms of laser-induced SHG enhancement in Si3N4 waveguides. This …
among others, in terms of laser-induced SHG enhancement in Si3N4 waveguides. This …
Enhancement of bulk second-harmonic generation from silicon nitride films by material composition
K Koskinen, R Czaplicki, A Slablab, T Ning… - Optics letters, 2017 - opg.optica.org
We present a comprehensive tensorial characterization of second-harmonic generation from
silicon nitride films with varying compositions. The samples were fabricated using plasma …
silicon nitride films with varying compositions. The samples were fabricated using plasma …