Zobrazeno 1 - 10
of 7 223
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
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:
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
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
Autor:
Mengwen Chen, Chenyu Wang, Xiao-Hui Tian, Jie Tang, Xiaowen Gu, Guang Qian, Kunpeng Jia, Hua-Ying Liu, Zhong Yan, Zhilin Ye, Zhijun Yin, Shi-Ning Zhu, Zhenda Xie
Publikováno v:
Materials, Vol 17, Iss 8, p 1720 (2024)
Periodically poled lithium niobate on insulator (PPLNOI) offers an admirably promising platform for the advancement of nonlinear photonic integrated circuits (PICs). In this context, domain inversion engineering emerges as a key process to achieve ef
Externí odkaz:
https://doaj.org/article/9f67aa53e18b42e1a44fdbdc7f5c758a
Autor:
Tianxiang Xu, Sen Wang, Jing Zeng, Dawei Liu, Ruwei Zhao, Yuming Yao, Yuhao Zhao, Hui Zhao, Tiefeng Xu, Yan Sheng
Publikováno v:
Photonics, Vol 11, Iss 4, p 313 (2024)
Nonlinear photonic crystals with 3D orthorhombic lattice structures were fabricated using the femtosecond laser-poling technique in ferroelectric Sr0.28Ba0.72Nb2O6 (SBN) crystals. The crystals were used to demonstrate the possibility of generating ca
Externí odkaz:
https://doaj.org/article/52cc7dfbc0bf43f4830e908be4a8784b
Publikováno v:
Results in Physics, Vol 52, Iss , Pp 106814- (2023)
We investigate the dynamic evolution of resonant radiation (RR) emitted from modulated Airy pulses in an optical fiber with emphasis on the third-order dispersion. We show that the process of RRs emission strongly depends on the parameters of the pre
Externí odkaz:
https://doaj.org/article/819da0cc37794fb79b98f6f927546e27