Zobrazeno 1 - 10
of 1 381
pro vyhledávání: '"subwavelength structures"'
Autor:
Jaione Bengoechea, Cristina Leyre Pinto, Iñaki Cornago, Alicia Buceta, Eugenia Zugasti, Fabienne Sallaberry, Marcelino Sánchez
Publikováno v:
SolarPACES Conference Proceedings, Vol 1 (2024)
The development of renewable energy sources is nowadays of enormous importance, not only for the climate change fight but also for the security of the energy supply. The latest geopolitical unfortunate events in Europe have highlighted our energy dep
Externí odkaz:
https://doaj.org/article/55cc8976849842188461523f1246cf04
Publikováno v:
Micromachines, Vol 15, Iss 7, p 841 (2024)
The following study involved the utilization of dispersion polymerization to synthesize micron/nano-sized polystyrene (PS) spheres, which were then deposited onto a silicon substrate using the floating assembly method to form a long-range monolayer.
Externí odkaz:
https://doaj.org/article/4ab4445cd9b04ce7900c106bb17b7479
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 1, Pp 1-6 (2023)
Polarization-dependent dual-band THz metamaterial using a modified Trishul structure is proposed in this paper. The absorber has three layers namely, a conducting ground plane, a dielectric substrate, and a structure top metallic patch. The top and b
Externí odkaz:
https://doaj.org/article/b6219f37064a4121ad97c2fe3ebeb8b3
Autor:
Cao Xiaoping, Zhou Nan, Zheng Shuang, Gao Shengqian, Zhu Yuntao, He Mingbo, Cai Xinlun, Wang Jian
Publikováno v:
Nanophotonics, Vol 11, Iss 20, Pp 4551-4564 (2022)
Optical vortices carrying orbital angular momentum (OAM) have recently attracted increasing interest for providing an additional degree of freedom for capacity scaling in optical communications. The optical vortex generator is an essential component
Externí odkaz:
https://doaj.org/article/83587987e88d46ac800c6563a8d3ce85
Publikováno v:
Nanophotonics, Vol 11, Iss 16, Pp 3603-3612 (2022)
Metalens has emerged as an important optical block in free-space optical systems, which shows excellent performance. Even the metalens based on gradient index (GRIN) profiles can be implemented for on-chip beam focusing behavior. However, for most pr
Externí odkaz:
https://doaj.org/article/d8f5393b06374160b516c52034c46da1
Autor:
Ricardo A. Marques Lameirinhas, Joao Paulo N. Torres, Antonio Baptista, Maria Joao Marques Martins
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 4, Pp 1-9 (2022)
At nano-scale new phenomena have been discovered, allowing devices’ miniaturisation, energy harvesting, and power reduction. The Extraordinary Optical Transmission (EOT) phenomenon was reported in 1998 by Ebessen, who stated that the resonant peaks
Externí odkaz:
https://doaj.org/article/02f880958992439ca71336af9ee68f13
Autor:
Zhenyan Li, Weijie Kong, Changtao Wang, Mingbo Pu, Xiangzhi Liu, Ge Yin, Xiaoliang Ma, Xiong Li, Xiangang Luo
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 4, Pp 1-7 (2022)
Multi-wavelength imaging ability is important for bio-imaging, to obtain multi-modal information of biological activities. We propose a multi-wavelength super-resolution imaging method, employing the Bloch surface waves (BSWs) supported by one-dimens
Externí odkaz:
https://doaj.org/article/7dd3eaa009474b3e815fa0b6cb268868
Autor:
Junjia Wang, Chongbao Fang, Na Dong, Weifeng Jiang, Zhaofu Chen, Lawrence R. Chen, Xiaohan Sun
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 4, Pp 1-4 (2022)
Grating couplers (GCs) are important for light to couple between optical fibers and photonic integrated circuits (PICs). The Bound State in Continuum (BIC) waveguides offer new functionalities for PIC. High-Q resonators, electro-optical modulator, an
Externí odkaz:
https://doaj.org/article/af6e82768af4491daf2333a569abb181
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 2, Pp 1-7 (2022)
With the traditional multilayers coating, it is difficult to achieve broadband and wide-angle antireflection optical properties simultaneously. As one of the most promising candidates for omnidirectional and broadband antireflection coating, the moth
Externí odkaz:
https://doaj.org/article/e15a6d7c6fcb47e79bbfb330dd8ca976
Autor:
Jinsong Zhang, Luhua Xu, Deng Mao, Zhenping Xing, Yannick DrMello, Maxime Jacques, Yun Wang, Stephane Lessard, David V. Plant
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 2, Pp 1-6 (2022)
We propose a 1310/1550 nm wavelength diplexer on a 220-nm silicon-on-insulator (SOI) platform. The device is based on a compact two-mode interference (TMI) coupler enabled by a subwavelength grating (SWG) slot. The ideal beat length ratio of 2:1 is a
Externí odkaz:
https://doaj.org/article/ce745a41ef164269ae02c79768a27a9f