Zobrazeno 1 - 10
of 2 640
pro vyhledávání: '"low loss"'
Autor:
Hong-Seok Kim, Guhwan Kim, Tetiana Slusar, Jinwoo Kim, Jiho Park, Jaegyu Park, Hyeon Hwang, Woojin Noh, Hansuek Lee, Min-Kyo Seo, Kiwon Moon, Jung Jin Ju
Publikováno v:
ETRI Journal, Vol 46, Iss 5, Pp 783-792 (2024)
Lithium niobate on insulator (LNOI) is a promising material platform for applications in integrated quantum photonics. A low optical loss is crucial for preserving fragile quantum states. Therefore, in this study, we have fabri-cated LNOI rib wavegui
Externí odkaz:
https://doaj.org/article/ec5e9963a6514d899b2554f4a0c829bb
Autor:
Xie Yiwei, Wu Jiachen, Hong Shihan, Wang Cong, Liu Shujun, Li Huan, Ju Xinyan, Ke Xiyuan, Liu Dajian, Dai Daoxin
Publikováno v:
Nanophotonics, Vol 13, Iss 12, Pp 2051-2073 (2024)
Optical signal processing has been playing a crucial part as powerful engine for various information systems in the practical applications. In particular, achieving large-scale programmable chips for signal processing are highly desirable for high fl
Externí odkaz:
https://doaj.org/article/73feaca6380a42278a415a62b4001b6f
Publikováno v:
IEEE Access, Vol 12, Pp 150693-150701 (2024)
This paper presents a novel low-complexity method to characterize the permittivities of low-loss dielectric slabs at millimeter-wave and sub-terahertz bands. The method assumes plane-wave illumination of the material under test and utilizes reflected
Externí odkaz:
https://doaj.org/article/a946d4b606f7498381d3de9c1396848f
Publikováno v:
IEEE Journal of Microwaves, Vol 4, Iss 4, Pp 767-776 (2024)
A novel D-band self-packaged silicon-based air cavity-backed transition from grounded coplanar waveguide to air-filled rectangular waveguide was investigated, fabricated, and measured in this work. The equivalent circuit model was established and ana
Externí odkaz:
https://doaj.org/article/64fde2b2b4b3423da56826b1c880e98c
Autor:
Jiawei Liu, Dimitra Psychogiou
Publikováno v:
IEEE Access, Vol 12, Pp 64439-64445 (2024)
This paper reports on a new class of 3D additively-manufactured dual-band bandpass filters (BPFs). They are based on miniaturized dual-mode nested-spherical resonators which consist of two post-supported metallic spheres that load a hollow spherical
Externí odkaz:
https://doaj.org/article/66acc4dcd9204d7d86a0ad3adad98490
Publikováno v:
IEEE Access, Vol 12, Pp 61336-61342 (2024)
It is well-known that Empty Substrate Integrated Waveguides allow not only the integration of classic waveguides, such as rectangular waveguides, into a printed circuit board maintaining the quality of traditional waveguide devices, but also keeping
Externí odkaz:
https://doaj.org/article/6922911e731a406b9fe78de7248cc3b7
Autor:
Jeonghyeon Choi, Youbean Kim
Publikováno v:
IEEE Access, Vol 12, Pp 6413-6422 (2024)
Due to the inherent loss characteristics of transmission lines today, the challenges in signal transmission are increasing. Typically, the most widely used printed circuit boards (PCBs) in transmission lines employ FR-4 as the insulation material due
Externí odkaz:
https://doaj.org/article/e0449b6fe24e46caa1d71b3fc57b54fd
Publikováno v:
Sensors, Vol 24, Iss 20, p 6640 (2024)
In this paper, a conductor-backed coplanar waveguide with sine edges (CBCPW-SE), consisting of a conductor-backed coplanar with periodic sine edges supported by a dielectric substrate, is proposed as a promising new transmission line (TL) at millimet
Externí odkaz:
https://doaj.org/article/4881f37cb3954d56bd87c0024b0987e7
Autor:
Gongwen Gan, Yaqin Yin, Yue Cheng, Jie Luo, Zongliang Zheng, Xi Zhang, Fei Xie, Ziming Li, Liwen Dian, Gaojie Zou, Feifei Qiu, Zhongyin Zhu, Guoqing Gou
Publikováno v:
Materials Today Advances, Vol 22, Iss , Pp 100505- (2024)
we deeply dived multi-phase-based 0.16BaFeO3-0.84MgFe2O4 ferrite for VHF antennas. The structural and magneto-dielectric properties synthesized at various temperatures (1100 °C, 1125 °C, 1150 °C and 1175 °C) were investigated. The results demonst
Externí odkaz:
https://doaj.org/article/be28baa2a36a475a9cd6fccfb73b5783
Autor:
Cui Tao, Shen Yan, Cheng Ao, Zhan Runze, Zheng Zebo, Tian Bo, Shi Jia, Ke Yanlin, Shao Lei, Chen Huanjun, Deng Shaozhi
Publikováno v:
Nanophotonics, Vol 12, Iss 22, Pp 4185-4193 (2023)
Plasmonic waveguides have attracted tremendous interest due to efficiently confining photons on the subwavelength spatial scale to be beating the propagation diffraction limit. Transition metal molybdenum (Mo) exhibits outstanding properties in light
Externí odkaz:
https://doaj.org/article/1e69c69ffd12437daed1e840dca2de20