Zobrazeno 1 - 10
of 912
pro vyhledávání: '"subwavelength grating"'
Publikováno v:
Nano Convergence, Vol 11, Iss 1, Pp 1-10 (2024)
Abstract Silicon photonic index sensors have received significant attention for label-free bio and gas-sensing applications, offering cost-effective and scalable solutions. Here, we introduce an ultra-compact silicon photonic refractive index sensor
Externí odkaz:
https://doaj.org/article/cefb86623be34705917ab5cc2e4cb2a3
Publikováno v:
Chip, Vol 3, Iss 3, Pp 100104- (2024)
Leveraging the low linear and nonlinear absorption loss of silicon at mid-infrared (mid-IR) wavelengths, silicon photonic integrated circuits (PICs) have attracted significant attention for mid-IR applications including optical sensing, spectroscopy,
Externí odkaz:
https://doaj.org/article/7bd20ea0cfd6479b9797a13470e87a06
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 2, Pp 1-10 (2024)
In this study, we propose a novel approach to achieve an ultra-narrow bandwidth and high transmittance filter in the visible range. By employing TiO2 as the waveguide layer material, the coupling energy in the waveguide layer is enhanced, leading to
Externí odkaz:
https://doaj.org/article/3e3993fae3394a709f3827d5c39524d9
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
Publikováno v:
Nanophotonics, Vol 12, Iss 21, Pp 4095-4107 (2023)
We propose two designs of low-loss and temperature-insensitive single-mode waveguide crossing on silicon-on-insulator (SOI) platform with 415-nm operation bandwidth covering all optical communication bands. Both designs are enabled by subwavelength g
Externí odkaz:
https://doaj.org/article/f7dc1cbecdff4035bdb05b476f82d6ec
Autor:
Pruszyńska-Karbownik Emilia, Jandura Daniel, Dems Maciej, Zinkiewicz Łukasz, Broda Artur, Gębski Marcin, Muszalski Jan, Pudiš Dušan, Suffczyński Jan, Czyszanowski Tomasz
Publikováno v:
Nanophotonics, Vol 12, Iss 18, Pp 3579-3588 (2023)
Highly reflective mirrors are indispensable components in a variety of state-of-the-art photonic devices. Typically used, bulky, multi-layered distributed Bragg (DBR) reflectors are limited to lattice-matched semiconductors or nonconductive dielectri
Externí odkaz:
https://doaj.org/article/00ec96c8dca94eb1ad7b7767ff9b7219
Publikováno v:
Nanophotonics, Vol 12, Iss 9, Pp 1809-1821 (2023)
Efficient mode-selective manipulation in multimode photonics has drawn much attention as a key technology for realizing scalable and flexible mode-division multiplexing (MDM) systems. A mode-selective manipulation scheme based on the modal-field redi
Externí odkaz:
https://doaj.org/article/4ef5a471496643b99bd52b9a17f0e446
Autor:
William Fraser, Radovan Korček, Ivan Glesk, Jan Litvik, Jens H. Schmid, Pavel Cheben, Winnie N. Ye, Daniel Benedikovic
Publikováno v:
Nanomaterials, Vol 14, Iss 7, p 581 (2024)
Silicon nitride (Si3N4) is an ideal candidate for the development of low-loss photonic integrated circuits. However, efficient light coupling between standard optical fibers and Si3N4 chips remains a significant challenge. For vertical grating couple
Externí odkaz:
https://doaj.org/article/f173388a1dc348b09fdbb8b9179605c4
Publikováno v:
Sensors, Vol 24, Iss 6, p 1929 (2024)
Silicon photonic-based refractive index sensors are of great value in the detection of gases, biological and chemical substances. Among them, microring resonators are the most promising due to their compact size and narrow Lorentzian-shaped spectrum.
Externí odkaz:
https://doaj.org/article/293d7fb0e9af4e05bc02fb5d9cda45b4
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 4, Pp 1-6 (2023)
High performance refractive index sensors are of important significance in numerous sensing applications including chemical, air and biophotonics. Among them, the ones with high sensitivity and large quality factor are especially critical. Here, we p
Externí odkaz:
https://doaj.org/article/7ba2d70055114f14a585b76e066c519d