Publications by Jeonghyeon Kim

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Single-particle tracking and optical tweezers are powerful techniques for studying diverse processes at the microscopic scale. The stochastic behavior of a microscopic particle contains information about its interaction with surrounding molecules, and an o ...

The material and exact shape of a nanostructure determine its optical response, which is especially strong for plasmonic metals. Unfortunately, only a few plasmonic metals are available, which limits the spectral range where these strong optical effects ca ...

The immense potential of optical metasurfaces is showcased by demonstrating several state-of-the-art applications with plasmonic metasurfaces along with experimental investigation of their polarization response using Mueller matrix spectroscopy. The work o ...

Beyond their original capability to grab and hold tiny objects, optical tweezers have emerged as a powerful tool to investigate fundamental physics at microscopic scales. A precise characterization of the optical trap is one of the key requirements in such ...

Plasmonic antennas improve the stiffness and resolution of optical tweezers by producing a strong near-field. When the antenna traps metallic objects, the optically-resonant object affects the near-field trap, and this interaction should be examined to est ...

Optical tweezers are devices that can manipulate nano- and microparticles using a laser. The principle of optical tweezers is to apply a force to an object using the momentum of light. This force is very small, but it is sufficient to move things in the mi ...

Understanding the behavior of surfactants at interfaces is crucial for many applications in materials science and chemistry. Optical tweezers combined with trajectory analysis can become a powerful tool for investigating surfactant characteristics. In this ...

After briefly introducing the surface integral equation method for the numerical solution of Maxwell's equations, we discuss some examples where numerical simulations based on effectively fabricated nanostructures can provide additional insights into an ex ...

Jeonghyeon Kim

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Probing Surfactant Bilayer Interactions by Tracking Optically Trapped Single Nanoparticles

A Low-Temperature Annealing Method for Alloy Nanostructures and Metasurfaces: Unlocking a Novel Degree of Freedom

An unconventional take on plasmonic metasurfaces

Surfactants Control Optical Trapping near a Glass Wall

Studying the different coupling regimes for a plasmonic particle in a plasmonic trap

Optical manipulation of plasmonic nanoparticles: Applications in surface chemistry and nano-optics

Trap-and-Track for Characterizing Surfactants at Interfaces

Extending the limits of conventional plasmonics with low temperature alloying of noble metals

Plasmonic nanostructures made of Au/Ag alloyed at low temperature: Unlocking an additional degree of freedom

Plasmon resonance energy transfer from a plasmonic tweezer to a trapped particle

Mind the gap between theory and experiment

Extending limits of plasmonics with unconventional metasurfaces