Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Jiyeah Rhie"'
Autor:
Dai-Sik Kim, Bamadev Das, Jiyeah Rhie, Hyeong Seok Yun, Parinda Vasa, Young-Mi Bahk, Dukhyung Lee, Namkyoo Park, Sung Hoon Choa, Young Il Kim, Dasom Kim
Publikováno v:
Nano Letters. 21:4202-4208
One of the most straightforward methods to actively control optical functionalities of metamaterials is to apply mechanical strain deforming the geometries. These deformations, however, leave symmetries and topologies largely intact, limiting the mul
Autor:
Dukhyung Lee, Hyeong Seok Yun, Dasom Kim, Young-Mi Bahk, Parinda Vasa, Jiyeah Rhie, Dai-Sik Kim, Bamadev Das
Publikováno v:
Ultrafast Phenomena and Nanophotonics XXV.
Plasmonic gap governs much of the electromagnetic response of metamaterials. Meanwhile, nano and subnanometric gap control achieved by exceptional advancement of nanotechnology has paved the way for quantum plasmonics. However, practical applications
Publikováno v:
2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).
We demonstrated a switchable terahertz (THz) resonator by bending it outward with different radius curvatures (RCs), accordingly changing the shape of a diabolo array to a bowtie array. The resonance frequency switched to 0.5 THz and 1.08 THz as the
Publikováno v:
ACS Photonics. 5:278-283
Terahertz (THz) nanogap structures have emerged as versatile platforms for THz science and applications by virtue of their strong in-gap field enhancements and accompanying high levels of sensitivity to gap environments. However, despite their potent
Autor:
Joo Hyun Park, Bong Joo Kang, Taehee Kang, Hyeongtag Jeon, Yong Seung Kim, Sanghoon Han, Fabian Rotermund, Young-Mi Bahk, Won Tae Kim, Dai-Sik Kim, J. H. Kim, Jiyeah Rhie
Publikováno v:
ACS Photonics. 3:1440-1445
We investigated optical nonlinearity induced by electron tunneling through an insulating vertical gap between metals, both at terahertz frequency and at near-infrared frequency. We adopted graphene and alumina layers as gap materials to form gap widt
Autor:
Yu Hyun Kang, Jiyeah Rhie, Young-Mi Bahk, In-Keun Baek, Bong Jun Lee, Jeeyoon Jeong, Seunghun Hong, Kwanghee Lee, Gun-Sik Park, Dai-Sik Kim
Publikováno v:
ACS Photonics. 3:537-542
We demonstrate microwave funneling through metallic gaps of nanometer-scale width, corresponding to λ/10 000 000. For achieving both resonant transmission and strong confinement of microwaves, we fabricate two types of samples with an extreme aspect
Publikováno v:
Journal of Infrared, Millimeter, and Terahertz Waves. 36:262-268
In pursuit of higher field enhancement and applications in terahertz frequency regime, many techniques have been developed and reported for fabrication of high-aspect-ratio metallic nanostructures. While techniques utilizing spacer deposition has suc
Publikováno v:
Scientific Reports. 7
Transmission of Terahertz (THz) electromagnetic wave through a substrate is encumbered because of scattering, multiple reflections, absorption, and Fabry–Perot effects when the wave interacts with the substrate. We present the experimental realizat
Autor:
Young-Mi Bahk, Dai-Sik Kim, Sanghoon Han, Namkyoo Park, Joo Hyun Park, Hyeongtag Jeon, Jiyeah Rhie
Publikováno v:
Physical Review B. 95
A single metallic slit is the simplest plasmonic structure for basic physical understanding of electromagnetic field confinement. By reducing the gap size, the field enhancement is expected to first go up and then go down when the gap width becomes s
Publikováno v:
Scientific Reports
Transmission of Terahertz (THz) electromagnetic wave through a substrate is encumbered because of scattering, multiple reflections, absorption, and Fabry–Perot effects when the wave interacts with the substrate. We present the experimental realizat