Kuo‐Ping Chen
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View article: Developing a transfer learning model for the prediction of Down syndrome from first-trimester ultrasound images
Developing a transfer learning model for the prediction of Down syndrome from first-trimester ultrasound images Open
This TL model enhances the early detection of Down syndrome from first-trimester ultrasound images, improving diagnostic accuracy and reducing the reliance on manual measurements.
View article: Ag Nanocrystals Intercalated Muscovite Mesocrystal for Large-Scale 3D SERS
Ag Nanocrystals Intercalated Muscovite Mesocrystal for Large-Scale 3D SERS Open
Plasmonic nanocrystals represent one of the most fascinating emerging research fields and hold great promise for a wide range of new applications, including surface-enhanced Raman spectroscopy (SERS) and plasmon-related devices. Here, we p…
View article: Many-body localization properties of one-dimensional anisotropic spin-1/2 chains
Many-body localization properties of one-dimensional anisotropic spin-1/2 chains Open
In this paper, we theoretically investigate the many-body localization (MBL) properties of one-dimensional anisotropic spin-1/2 chains by using the exact matrix diagonalization method. Starting from the Ising spin-1/2 chain, we introduce d…
View article: Reversible Carrier Modulation in InP Nanolasers by Ionic Liquid Gating with Low Energy Consumption (Adv. Sci. 8/2025)
Reversible Carrier Modulation in InP Nanolasers by Ionic Liquid Gating with Low Energy Consumption (Adv. Sci. 8/2025) Open
Nanolasers Controlled by Ionic Liquids This cover illustration depicts a significant advancement in nanophotonics by utilizing ionic liquid (IL) as a dielectric layer to modulate carrier concentrations in indium phosphide (InP) nanolasers …
View article: Reversible Carrier Modulation in InP Nanolasers by Ionic Liquid Gating with Low Energy Consumption
Reversible Carrier Modulation in InP Nanolasers by Ionic Liquid Gating with Low Energy Consumption Open
Nanoscale light sources are demanded vigorously due to rapid development in photonic integrated circuits (PICs). III‐V semiconductor nanowire (NW) lasers have manifested themselves as indispensable components in this field, associated with…
View article: Electrically controlled laser generation in a photonic crystal - liquid crystal - metal microcavity
Electrically controlled laser generation in a photonic crystal - liquid crystal - metal microcavity Open
A comprehensive approach for simulating lasing dynamics in a liquid crystal based laser is presented. The approach takes into account the transformation of the liquid crystal structure caused by applied voltage. In particular, it allows us…
View article: Selective Plasmonic Responses of Chiral Metamirrors
Selective Plasmonic Responses of Chiral Metamirrors Open
The properties of circularly polarized light has recently been used to selectively reflect chiral metasurfaces. Here we report the more complete basic functionalities of reflectors and absorbers that display various optical phenomena under…
View article: Room‐Temperature Lasing of Dual‐Metal Nanoparticle Surface Lattice Resonance with Monolithic InGaAs Multiple Quantum Wells on GaAs Substrates
Room‐Temperature Lasing of Dual‐Metal Nanoparticle Surface Lattice Resonance with Monolithic InGaAs Multiple Quantum Wells on GaAs Substrates Open
This study demonstrates the surface lattice resonance (SLR) laser utilizing asymmetric dual‐metallic nanoparticle arrays, incorporating a high‐refractive‐index material, which exhibits a confinement factor of 16%, enhancing the coupling be…
View article: Superconductive MgB<sub>2</sub> Intercalated Muscovite with Dynamically Tunable Stress
Superconductive MgB<sub>2</sub> Intercalated Muscovite with Dynamically Tunable Stress Open
In this study, we utilized a stress-sensitive superconductor MgB2 in combination with a flexible muscovite, a layered silicate, to demonstrate that materials in a reduced-dimension environment could be influenced by external strain. MgB2 n…
View article: Two-Dimensional Dynamic Beam Steering by Tamm Plasmon Polariton
Two-Dimensional Dynamic Beam Steering by Tamm Plasmon Polariton Open
The dynamic steering of a beam reflected from a photonic structure supporting Tamm plasmon polariton is demonstrated. The phase and amplitude of the reflected wave are adjusted by modulating the refractive index of a transparent conductive…
View article: Near‐Field Photodetection in Direction Tunable Surface Plasmon Polaritons Waveguides Embedded with Graphene
Near‐Field Photodetection in Direction Tunable Surface Plasmon Polaritons Waveguides Embedded with Graphene Open
2D materials have manifested themselves as key components toward compact integrated circuits. Because of their capability to circumvent the diffraction limit, light manipulation using surface plasmon polaritons (SPPs) is highly‐valued. In …
View article: Two-dimensional dynamic beam steering by Tamm plasmon polariton
Two-dimensional dynamic beam steering by Tamm plasmon polariton Open
The dynamic steering of a beam reflected from a photonic structure supporting Tamm plasmon polariton is demonstrated. The phase and amplitude of the reflected wave are adjusted by modulating the refractive index of a transparent conductive…
View article: Bistable scattering of nano-silicon for super-linear super-resolution imaging
Bistable scattering of nano-silicon for super-linear super-resolution imaging Open
Optical bistability is fundamental for all-optical switches, but typically requires high-Q cavities with micrometer sizes. Through boosting nonlinearity with photo-thermo-optical effects, we achieve bistability in a silicon Mie resonator w…
View article: Large Optical Modulation of Dielectric Huygens’ Metasurface Absorber (Advanced Optical Materials 10/2023)
Large Optical Modulation of Dielectric Huygens’ Metasurface Absorber (Advanced Optical Materials 10/2023) Open
Mie-type optical resonators are applicable to all-optical modulation. In article number 2300102, Hao-Yu Cheng, Kung-Hsuan Lin, Kuo-Ping Chen, and co-workers demonstrate both theoretically and experimentally that modulation depth is enhance…
View article: Large Optical Modulation of Dielectric Huygens’ Metasurface Absorber
Large Optical Modulation of Dielectric Huygens’ Metasurface Absorber Open
High‐index nanostructures are found to exhibit large nonlinearity of spectral responses under photoexcitation, which is applicable to all‐optical modulation. The nonlinearity stems from Mie‐type resonance shift due to photoinduced variatio…
View article: Tamm Plasmon Polaritons Hydrogen Sensors
Tamm Plasmon Polaritons Hydrogen Sensors Open
Tamm plasmon polariton (TPP) resonance can be excited within the stopband of a distributed Bragg reflector (DBR) by combining a thin metal film. When exposured to hydrogen gas, the TPP resonance feature is redshifted for the TPPs structure…
View article: Wavelength- and Angle-Selective Photodetectors Enabled by Graphene Hot Electrons with Tamm Plasmon Polaritons
Wavelength- and Angle-Selective Photodetectors Enabled by Graphene Hot Electrons with Tamm Plasmon Polaritons Open
Recently, two-dimensional materials have attracted attention owing to their special optical characteristics and miniaturization, with low thickness as well as extremely high responsivity. Additionally, Tamm plasmon polariton (TPP) resonanc…
View article: Enhanced light absorption in Tamm metasurface with a bound state in the continuum
Enhanced light absorption in Tamm metasurface with a bound state in the continuum Open
We consider light absorption in a germanium grating placed on top of photonic-crystalline substrate. Such a system supports an optical Tamm state decoupled from the continuous spectrum with its frequency within the photonic band gap. We ha…
View article: Observation of Plasmoelectric Effect in Plasmonic Zirconium Nitride (Adv. Mater. Interfaces 1/2023)
Observation of Plasmoelectric Effect in Plasmonic Zirconium Nitride (Adv. Mater. Interfaces 1/2023) Open
Plasmoelectric Effect To date the plasmoelectric effect has only been observed with gold and silver. In article number 2201751, Satoshi Ishii and co-workers report the experimental demonstration of the plasmoelectric effect with zirconium …
View article: Tunable lasing direction in one-dimensional suspended high-contrast grating using bound states in the continuum
Tunable lasing direction in one-dimensional suspended high-contrast grating using bound states in the continuum Open
We realized off-Γ lasing using the Friedrich–Wintgen bound state in the continuum (FW-BIC) in a one-dimensional suspended high-contrast grating (HCG). A clear anticrossing was observed in the band diagram of the HCG corresponding to the co…
View article: Observation of Plasmoelectric Effect in Plasmonic Zirconium Nitride
Observation of Plasmoelectric Effect in Plasmonic Zirconium Nitride Open
A plasmonic nanostructure forming a metal‐semiconductor interface generates electric potential by optical illumination. Grounded plasmonic nanostructures can also generate electric potentials based on the recently demonstrated plasmoelectr…
View article: Double-Resolved Beam Steering by Metagrating-Based Tamm Plasmon Polariton
Double-Resolved Beam Steering by Metagrating-Based Tamm Plasmon Polariton Open
We consider Tamm plasmon polariton in a subwavelength grating patterned on top of a Bragg reflector. We demonstrate dynamic control of the phase and amplitude of a plane wave reflected from such metagrating due to resonant coupling with th…
View article: Metal–Dielectric Polarization-Preserving Anisotropic Mirror for Chiral Optical Tamm State
Metal–Dielectric Polarization-Preserving Anisotropic Mirror for Chiral Optical Tamm State Open
This numerical study demonstrates the possibility of exciting a chiral optical Tamm state localized at the interface between a cholesteric liquid crystal and a polarization-preserving anisotropic mirror conjugated to a metasurface. The dif…
View article: Tamm Plasmon‐Polariton Ultraviolet Lasers
Tamm Plasmon‐Polariton Ultraviolet Lasers Open
The ZnO‐based Tamm plasmon‐polariton (TPP) ultraviolet laser is realized with the strong electric field confinement in the active layer. A coupling between TPPs and photons with a Rabi splitting of ≈30 meV is observed at room temperature. …
View article: Plasmonics and Hot Electrons: feature issue introduction
Plasmonics and Hot Electrons: feature issue introduction Open
Light-matter interaction can be significantly enhanced in plasmonic nanoparticles and nanostructures, as the latter give rise to high-field localization and enhancement. This feature issue highlights six contributions on recent advances in…
View article: Low‐Threshold Bound State in the Continuum Lasers in Hybrid Lattice Resonance Metasurfaces
Low‐Threshold Bound State in the Continuum Lasers in Hybrid Lattice Resonance Metasurfaces Open
Bound states in the continuum (BICs) have attracted considerable research attention due to their infinite quality factor ( Q ‐factor) and extremely localized fields, which drastically enhances light–matter interactions and yields high pote…
View article: Fano feature induced by a bound state in the continuum via resonant state expansion
Fano feature induced by a bound state in the continuum via resonant state expansion Open
We consider light scattering by an anisotropic defect layer embedded into anisotropic photonic crystal in the spectral vicinity of an optical bound state in the continuum (BIC). Using a resonant state expansion method we derive an analytic…
View article: Chiral-Selective Tamm Plasmon Polaritons
Chiral-Selective Tamm Plasmon Polaritons Open
Chiral-selective Tamm plasmon polariton (TPP) has been investigated at the interface between a cholesteric liquid crystal and a metasurface. Different from conventional TPP that occurs with distributed Bragg reflectors and metals, the chir…