Highly Efficient Ultraviolet Third‐Harmonic Generation in an Isolated Thin Si Meta‐Structure
Y Deng, Z Shi, Y Zheng, H Zhang, H Li, S Li… - Advanced …, 2024 - Wiley Online Library
Nonlinear nanophotonic devices have shown great potential for on‐chip information
processing, quantum source, 3D microfabrication, greatly promoting the developments of …
processing, quantum source, 3D microfabrication, greatly promoting the developments of …
Polarization-insensitive and polarization-controlled dual-band third-harmonic generation in silicon metasurfaces driven by quasi-bound states in the continuum
High-refractive-index nanostructures offer versatile opportunities for nonlinear optical effects,
due to their ability to strongly confine field into a subwavelength scale. Herein, we propose a …
due to their ability to strongly confine field into a subwavelength scale. Herein, we propose a …
Overcoming Losses through Phase Locking in Nonlinear Quasi-Bound States in the Continuum Metasurfaces
The development of nonlinear flat-optic nanostructures, also known as optical metasurfaces,
offers unprecedented enhancement of light-matter interactions without the need for phase …
offers unprecedented enhancement of light-matter interactions without the need for phase …
Enhanced terahertz high-harmonic generation from high-Q quasi-bound states in the continuum empowered by permittivity-broken metasurface
The extraordinary emergence of all-dielectric resonant meta-photonics underpinned by high
refractive index and low optical loss materials promises a standout platform for …
refractive index and low optical loss materials promises a standout platform for …
Inverse-designed all-silicon nanowire array cavities
We designed silicon nanowire array cavities with high optical confinement (Γ) in the central
nanowire and a high quality factor (Q) through an inverse design method that maximizes Γ× …
nanowire and a high quality factor (Q) through an inverse design method that maximizes Γ× …
Degeneracy-Broken Toroidal Chain Quasi-Bound States in the Continuum in Photonic Metawires
A Sah, S Kim - The Journal of Physical Chemistry C, 2025 - ACS Publications
Optical metawires (MWs) refer to dielectric nanowires with periodic modulation of the
effective refractive index, which exhibit unusual meta-photonic properties such as optical …
effective refractive index, which exhibit unusual meta-photonic properties such as optical …
Second Harmonic Generation in Nanowires
Second harmonic generation (SHG) in optical materials serves as important techniques for
laser source generations in awkward spectral ranges, physical identities of materials in …
laser source generations in awkward spectral ranges, physical identities of materials in …
Nonlinear van der Waals metasurfaces with resonantly enhanced light generation
Efficient nonlinear wave mixing is of paramount importance for a wide range of applications.
However, weak optical nonlinearities pose significant challenges for accessing nonlinear …
However, weak optical nonlinearities pose significant challenges for accessing nonlinear …
Strong coupling between exciton and quasi-bound state in the continuum with polarization dependence
H Ye, Y Hu, T Sang, Y Wang - Journal of Modern Optics, 2024 - Taylor & Francis
Exciton–polaritons which are formed by the strong coupling of photon and exciton, have
aroused great interest. In this work, we study the strong coupling between the exciton of …
aroused great interest. In this work, we study the strong coupling between the exciton of …
Low-temperature electron transport in [110] and [100] silicon nanowires: a DFT-Monte Carlo study
D Shiri, R Nekovei, A Verma - Frontiers in Nanotechnology, 2024 - frontiersin.org
The effects of very low temperature on the electron transport in a [110] and [100] axially
aligned unstrained silicon nanowires (SiNWs) are investigated. A combination of semi …
aligned unstrained silicon nanowires (SiNWs) are investigated. A combination of semi …