Zobrazeno 1 - 10
of 7 244
pro vyhledávání: '"Phase-matching"'
Publikováno v:
Nanophotonics, Vol 13, Iss 18, Pp 3465-3476 (2024)
The concept of orbital angular momentum (OAM) of light has not only advanced fundamental physics research but also yielded a plethora of practical applications, benefitting from the abundant methods for OAM generation based on linear, nonlinear and c
Externí odkaz:
https://doaj.org/article/104fc1099751465c871e33ce92ff41aa
Publikováno v:
Nanophotonics, Vol 13, Iss 18, Pp 3403-3409 (2024)
High-order wave mixing in solid-state platforms gather increasing importance due to the development of advanced lasers and integrated photonic circuit for both classical and quantum information. However, the high-order wave mixing is generally ineffi
Externí odkaz:
https://doaj.org/article/ac0cef08926648deb77b179106b4af47
Autor:
Yongzhi Tang, Tingting Ding, Yuting Zhang, Wenjun Ding, Yiwen Huang, Jiayu Wang, Hao Li, Shijie Liu, Yuanlin Zheng, Xianfeng Chen
Publikováno v:
Advanced Photonics Research, Vol 5, Iss 12, Pp n/a-n/a (2024)
Broadband lasers, e.g., ultrashort lasers, optical supercontinuum, and frequency combs, are revolutionary coherent light sources, which enable a plethora of state‐of‐the‐art applications ranging from precision spectroscopy to optical clocks. Ho
Externí odkaz:
https://doaj.org/article/3355bf7c0b634e91a0073f0978ab7e44
Autor:
Pragati Aashna, Hong‐Lin Lin, Yu Cao, Yuhui Yin, Yuan Gao, Sakthi Sanjeev Mohanraj, Di Zhu, Aaron Danner
Publikováno v:
Advanced Science, Vol 11, Iss 42, Pp n/a-n/a (2024)
Abstract Experimentally achieving the first‐ever electric field periodic poling of single crystal barium titanate oxide (BTO, or BaTiO3) thin film on‐insulator is reported. Owing to the outstanding optical nonlinearities of BTO, this result is a
Externí odkaz:
https://doaj.org/article/ace7c59bfc2e49e09a6f066838654071
Publikováno v:
Applied Sciences, Vol 14, Iss 22, p 10526 (2024)
Faced with a complex working environment, pipelines are prone to nonuniform temperature variations, which cause nonuniform phase changes in the guided wave signals during structural health monitoring, thereby increasing the difficulty of monitoring.
Externí odkaz:
https://doaj.org/article/8d719d92c30b4d0eab20b3baa7a25e5d
Publikováno v:
ChemPhysMater, Vol 2, Iss 4, Pp 346-350 (2023)
Ferroelectric domain engineering with infrared femtosecond laser pulses has been a powerful technique to achieve a spatially modulated second-order nonlinear coefficient in three dimensions. However, studies regarding the influence of laser writing c
Externí odkaz:
https://doaj.org/article/4bf55135f13d4adfaaf0635d82f429a3
Autor:
Dmitry M. Lubenko, Dmitry M. Ezhov, Valery A. Svetlichnyi, Yury M. Andreev, Nazar A. Nikolaev
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 23, Iss 3, Pp 439-447 (2023)
Nonlinear crystals of the borate family are efficient harmonic generators for intense laser sources because of their high laser-induced damage threshold at near-infrared wavelengths. Recent studies have shown that they exhibit relatively low absorp
Externí odkaz:
https://doaj.org/article/7199fb3d1567454f9586e95344c723dd
Publikováno v:
Photonics, Vol 11, Iss 5, p 447 (2024)
Ferroelectric domain engineering has wide applications in optical and electronic industries. Compared with traditional electric field poling, femtosecond laser poling has many advantages, such as higher fabrication resolution, 3D engineering applicab
Externí odkaz:
https://doaj.org/article/cf1340f2fd13433ab7da6264d5702c0a
Publikováno v:
Results in Physics, Vol 55, Iss , Pp 107165- (2023)
In this article, we present a novel approach to achieve a highly compact Si3N4 photonic crystal waveguide by incorporating air holes. This structure is developed in two functional applications that simultaneously perform the functions of generating o
Externí odkaz:
https://doaj.org/article/8fc5f22341194e57b267a3374b535bed
Publikováno v:
PhotoniX, Vol 4, Iss 1, Pp 1-14 (2023)
Abstract Supercontinuum white laser with large bandwidth and high pulse energy would offer incredible versatility and opportunities for basic science and high technology applications. Here, we report the generation of high-efficiency 2.8-octave-spann
Externí odkaz:
https://doaj.org/article/6df91d95fe5944fea5b67b94c6654dd5