Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Yoonhyuk Rah"'
Autor:
Yoonhyuk Rah, Kyoungsik Yu
Publikováno v:
Physical Review Research, Vol 6, Iss 1, p 013234 (2024)
The demonstration of spontaneous symmetry breaking in a system consisting of a pair of self-modulated ring resonators is performed. In addition, the critical effect of thermal heating induced by optical absorption is studied, where experimental resul
Externí odkaz:
https://doaj.org/article/bff70b8acd4240549e21409f3f0f3763
Publikováno v:
Physical Review Letters. 130
Autor:
Dong U. Kim, Do Y. Kim, Youngjae Jeong, Dong J. Choi, Young J. Park, Man J. Her, Myung S. Hong, Min G. Lim, Yoonhyuk Rah, Kyoungsik Yu, Sangyoon Han
Publikováno v:
Conference on Lasers and Electro-Optics.
We propose and demonstrate an ultra-low-power 3×3 unitary matrix multiplier with MEMS-based tunable couplers and phase shifters. The static power consumption and tuning energy per tuning element are less than 0.13 µW and 115 pJ, respectively.
Autor:
Kyoungsik Yu, Taek-Soo Kim, Eugene N. Cho, Moohyum Kim, Cheolgyu Kim, Yujin Han, Hyeuk Jin Han, Hanhwi Jang, Hunhee Lim, Yeon Sik Jung, Kwang Ho Ahn, Yoonhyuk Rah
Publikováno v:
Advanced materials (Deerfield Beach, Fla.). 32(38)
Although hexagonal boron nitride (BN) nanostructures have recently received significant attention due to their unique physical and chemical properties, their applications have been limited by a lack of processability and poor film quality. In this st
Publikováno v:
Optics letters. 44(15)
Two-dimensional materials such as hexagonal boron nitride (h-BN), graphene, and transition metal dichalcogenides have drawn great attention in various fields of photonics and electronics. Among them, h-BN has recently emerged as a promising material
Publikováno v:
Scientific Reports, Vol 9, Iss 1, Pp 1-10 (2019)
Scientific Reports
Scientific Reports
Achieving perfect light absorption at a subwavelength-scale thickness has various advantageous in terms of cost, flexibility, weight, and performance for many different applications. However, obtaining perfect absorbers covering a wide range of wavel
Publikováno v:
Conference on Lasers and Electro-Optics.
Autor:
Eugene N. Cho, Yoonhyuk Rah, Hunhee Lim, Kyoungsik Yu, Yujin Han, Taek-Soo Kim, Moohyum Kim, Cheolgyu Kim, Yeon Sik Jung, Kwang Ho Ahn, Hanhwi Jang, Hyeuk Jin Han
Publikováno v:
Advanced Materials. 32:2070283
Publikováno v:
Applied Physics Letters. 116:081104
Hexagonal boron nitride (hBN) has drawn great attention for its versatile applications in electronics and photonics, and precise estimation of its thickness is critical in many situations. We propose a rapid and broad range (10–500 nm) in situ thic