Ivan I Kravchenko Senior R&D staff member Contact 352.222.6474 | kravchenkoii@ornl.gov All Publications ExtremeMETA: High-speed Lightweight Image Segmentation Model by Remodeling Multi-channel Meta-material Imagers Low-phase-noise surface-acoustic-wave oscillator using an edge mode of a phononic band gap Tuning Surface Adhesion Using Grayscale Electron-beam Lithography Vertical GaN Superjunction Diode on Sapphire with Kilovolt Dynamic Breakdown Voltage Nanoscale optical nonreciprocity with nonlinear metasurfaces... Electro-optic Analog-to-Digital Converter Using Spectral Interferometry... Experimental evidence for the two-path description of neutron spin echo... Implanted Guard Ring Edge Termination With Avalanche Capability for Vertical GaN Devices... Multichannel meta-imagers for accelerating machine vision 1 kV Self-Aligned Vertical GaN Superjunction Diode 2 kV, 0.7 mΩ•cm2 Vertical Ga2O3 Superjunction Schottky Rectifier with Dynamic Robustness Direct Visualization of Charge Migration in Bilayer Tantalum Oxide Films by Multimodal Imaging Digital Modeling on Large Kernel Metamaterial Neural Network... 1 kV GaN-on-Si Quasi-Vertical Schottky Rectifier Topology-Preserving Nonlinear Structured Light Generation from All-Dielectric Metasurfaces Nonreciprocal transmission through metasurfaces with phase transition materials Manipulation of Scattering Spectra with Topology of Light and Matter Resonant Chiral Effects in Nonlinear Dielectric Metasurfaces Digital and Gradient Refractive Index Planar Optics by Nanoimprinting Mesoporous Silicon Enabling a novel approach to a controlled fabrication of 1D crystalline nanowires on suspended microstructures of arbitrary geometries using two direct-writing technologies Compound Meta-Optics for Complete and Loss-Less Field Control Topology-empowered membrane devices for terahertz photonics Meta-optic accelerators for object classifiers Gold Ion Beam Milled Gold Zero-Mode Waveguides... Terahertz bound state in the continuum in dielectric membrane metasurfaces Pagination Current page 1 Page 2 Page 3 … Next page ›› Last page Last » Key Links Curriculum Vitae ORCID Organizations Physical Sciences Directorate User Facilities Center for Nanophase Materials Sciences Nanomaterials Synthesis Section Nanofabrication Research Laboratory Group
