Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Ha‐Reem Kim"'
Publikováno v:
npj Nanophotonics, Vol 1, Iss 1, Pp 1-6 (2024)
Abstract Topological deformations from the hosting lattice have been applied to nanophotonics for the implementation of quantized topological states. This manipulation enables topological control of light at the wavelength scale, leading to strong li
Externí odkaz:
https://doaj.org/article/907ad1e0ed23425bb2e3b28b8b7e74e4
Autor:
Hoo-Cheol Lee, Jungkil Kim, Ha-Reem Kim, Kyoung-Ho Kim, Kyung-Jun Park, Jae-Pil So, Jung Min Lee, Min-Soo Hwang, Hong-Gyu Park
Publikováno v:
Light: Science & Applications, Vol 12, Iss 1, Pp 1-11 (2023)
Abstract The development of memory devices with functions that simultaneously process and store data is required for efficient computation. To achieve this, artificial synaptic devices have been proposed because they can construct hybrid networks wit
Externí odkaz:
https://doaj.org/article/6bb0884cc5d14fc28817058af59b07e8
Publikováno v:
Advanced Science, Vol 10, Iss 16, Pp n/a-n/a (2023)
Abstract Understanding complex neuronal networks requires monitoring long‐term neuronal activity in various regions of the brain. Significant progress has been made in multisite implantations of well‐designed probes, such as multisite implantatio
Externí odkaz:
https://doaj.org/article/ad21635daf3b4556b4a0c2a0486a256c
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-8 (2020)
Higher-order photonic topological states, such as corner states, could enable robust and high-quality confinement of light to a small mode volume. Here, the authors demonstrate lasing from topological multipole corner states and investigate their emi
Externí odkaz:
https://doaj.org/article/56dae637eb1b44bfae20ce7a979771bb
Publikováno v:
Nature Communications, Vol 7, Iss 1, Pp 1-9 (2016)
Non-Hermitian optical systems have been shown to sustain lasing when they go from a PT-symmetric to a PT-symmetry-broken phase. Here, Kimet al. study this phase transition of lasing modes in partially graphene-covered coupled microcavities and show t
Externí odkaz:
https://doaj.org/article/0c3ead891d6540dd806b9d1e541018ef
Publikováno v:
Nanophotonics, Vol 10, Iss 14, Pp 3599-3611 (2021)
Historically, nanophotonics deals with a control of light at the nanoscale being closely connected with the rapid advances in plasmonics – the physics of surface plasmon polaritons supported by metal–dielectric interfaces. Properly engineered nan
Autor:
Soonjae Lee, Ha-Reem Kim, Yuri S. Kivshar, Hong Gyu Park, Aditya Tripathi, Mikhail V. Rybin, Sergey Kruk, Pavel Tonkaev, Sergey V. Makarov
Publikováno v:
Nano Letters. 21:6563-6568
We study active dielectric metasurfaces composed of two-dimensional arrays of split-nanodisk resonators fabricated in InGaAsP membranes with embedded quantum wells. Depending on the geometric parameters, such split-nanodisk resonators can operate in
Autor:
Ha Reem Kim, Jung Min Lee, Guosong Hong, Hong Gyu Park, Charles M. Lieber, Young Woo Pyo, Dingchang Lin
Publikováno v:
Nano Letters. 21:3184-3190
The development of a multifunctional device that achieves optogenetic neuromodulation and extracellular neural mapping is crucial for understanding neural circuits and treating brain disorders. Although various devices have been explored for this pur
Autor:
Jae Hyuck Choi, Kyoung-Ho Kim, Jae Pil So, Yoon Seok Kim, Ha Reem Kim, Kwang-Yong Jeong, Chul Ho Lee, SungWoo Nam, Soonjae Lee, Jin-Myung Kim, Hong Gyu Park, Jung Min Lee, Woong Huh
Publikováno v:
Nano Letters. 21:1546-1554
Single-photon emitters, the basic building blocks of quantum communication and information, have been developed using atomically thin transition metal dichalcogenides (TMDCs). Although the bandgap of TMDCs was spatially engineered in artificially cre
Autor:
Hong Gyu Park, Kwang-Yong Jeong, Jungkil Kim, Jae Hyuck Choi, Min Soo Hwang, Kyoung-Ho Kim, Hoo Cheol Lee, Soon-Hong Kwon, Ha Reem Kim, Jae Pil So
Publikováno v:
Chemical Communications. 57:4875-4885
High quality factor and small mode volume in nanocavities enable the demonstration of efficient nanophotonic devices with low power consumption, strong nonlinearity, and high modulation speed, due to the strong light-matter interaction. In this revie