Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Heuk Park"'
Publikováno v:
Nanomaterials, Vol 13, Iss 16, p 2382 (2023)
Coarse wavelength division multiplexing (CWDM)-targeted novel silicon (Si)-nanowire-type polarization-diversified optical demultiplexers were numerically analyzed and experimentally verified. The optical demultiplexer comprised a hybrid mode conversi
Externí odkaz:
https://doaj.org/article/82eb9515d826472889309049a9f08110
Autor:
Wonkyoung Lee, Seungjun Han, Sang-Rok Moon, Jongwoo Park, Sanghwa Yoo, Heuk Park, Joon Ki Lee, Kyoungsik Yu, Seung Hyun Cho
Publikováno v:
Optics express. 30(2)
Coherent terahertz (THz) wireless communication using silicon photonics technology provides critical solutions for achieving high-capacity wireless transmission beyond 5G and 6G networks and seamless connectivity with fiber-based backbone networks. H
Publikováno v:
Angewandte Chemie. 132:10387-10391
When components of a metal-organic framework (MOF) and a crystal growth modulator diffuse through a gel medium, they can form arrays of regularly-spaced precipitation bands containing MOF crystals of different morphologies. With time, slow variations
Autor:
Sanghwa Yoo, Heuk Park, Jyung Chan Lee, Eun Kyu Kang, Joon Young Huh, Gye Sul Cho, Haechung Kang, Dae Woong Moon, Jong Jin Lee, Joon Ki Lee
Publikováno v:
Optics Express. 30:41980
We present a fully-integrated single-lane 53 GBd PAM-4 silicon photonics (SiPh) transmitter (Tx) with a flip-chip bonded laser diode (LD). The LD is butt-coupled to a Si edge coupler including a SiO2 suspended spot-size converter. The coupled power e
Autor:
Kwang-Ok Kim, Heuk Park, Hwan Seok Chung, Kyeong-Hwan Doo, Jung-Yeol Oh, Han Hyub Lee, Seunghwan Kim
Publikováno v:
Journal of Lightwave Technology. 37:2873-2882
To meet the latency and bandwidth requirements of 5G mobile services and next-generation residential/business services, we present high speed and low-latency passive optical network (PON) enabled by time controlled-tactile optical access (TIC-TOC) te
Publikováno v:
CrystEngComm. 21:1867-1871
Although macroscopically-sized MOF crystals have proven of interest for efficient chromatographic separations, information processing, or optoelectronic devices, growing really large crystals has proven problematic and the largest reported monocrysta
Autor:
Sang-Rok Moon, Seungjun Han, Sanghwa Yoo, Heuk Park, Won-Kyoung Lee, Joon Ki Lee, Jongwoo Park, Kyoungsik Yu, Seung-Hyun Cho, Joonyoung Kim
Publikováno v:
Optics express. 28(16)
We experimentally demonstrate the use of silicon photonics circuit (SPC) in the simple and cost-effective photonics-aided Terahertz (THz) wireless transmission system. We perform theoretical investigation (with experimental confirmation) to understan
Autor:
Dinesh K. Shetty, Ji-Young Shin, Kimoon Kim, Jun Heuk Park, Indranil Roy, Jayshree K. Khedkar
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 331:233-239
A novel ethynylpyridine containing E-Bodipy, 2 was synthesized from a Bodipy precursor 1 and its chemosensing properties towards various transition metal ions including Fe3+, Co2+, Cu2+, Zn2+ and Hg2+ were investigated. A large fluorescence enhanceme
Publikováno v:
Angewandte Chemie. 129:133-138
Autor:
Seunghwan Kim, Kwang-Ok Kim, Han Hyub Lee, Heuk Park, Jung Yeol Oh, Kyeong-Hwan Doo, Hwan Seok Chung
Publikováno v:
OECC/PSC
We review optical access and transport technologies for 5G and beyond, and introduce recent feasibility demonstration of NG-EPON prototype supporting channel-bonding and low-latency dynamic bandwidth allocation technologies.