Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Lichao Dou"'
Publikováno v:
Optics express. 30(20)
We investigate the discrete Talbot self-imaging effect in Floquet superlattices based on a mesh of directional couplers with periodically varying separation between waveguides, both theoretically and numerically. The modulated discreteness of the lat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ca7b9726f8314f3e11ec40a49757fc3
https://pubmed.ncbi.nlm.nih.gov/36258481
https://pubmed.ncbi.nlm.nih.gov/36258481
Publikováno v:
Journal of the Optical Society of America B. 40:856
We demonstrate both theoretically and numerically that the periodic self-imaging phenomenon of light patterns with certain input periods can be effectively realized in a three-layered optical lattice with parity–time symmetric modulations, which ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36f0690dba571de57ca4e2e1b6ec5526
https://doi.org/10.1364/josab.484961
https://doi.org/10.1364/josab.484961
Publikováno v:
Materials Today Communications. 33:104898
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8aacb73ae8a0ae82a95f3c8cb74d45fc
https://doi.org/10.1016/j.mtcomm.2022.104898
https://doi.org/10.1016/j.mtcomm.2022.104898
Publikováno v:
Journal of the Optical Society of America B. 39:3283
We investigate the Talbot self-imaging in one-dimensional discrete dimer lattices, where the source of non-Hermiticity derives not from gain and loss but from anisotropic couplings. The conditions that guarantee the existence of the Talbot effect in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1349d9150a64b71177bdea2023341217
https://doi.org/10.1364/josab.476207
https://doi.org/10.1364/josab.476207
Autor:
Kaiyun Zhan, Xinyue Kang, Lichao Dou, Tingjun Zhao, Qixuan Chen, Qian Zhang, Guoxia Han, Bing Liu
Publikováno v:
Optics Express. 30:45110
We study the dynamics of excitations in dynamically modulated waveguide arrays with an external spatial linear potential. Longitudinally periodic modulation may cause a significant change in the width of the quasi-energy band and leads to the dynamic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::043d6ba92f3a6b0f462321db18e60fde
https://doi.org/10.1364/oe.475734
https://doi.org/10.1364/oe.475734
Publikováno v:
Optics letters. 46(2)
We demonstrate that periodic self-imaging of light patterns with certain input periods can be effectively realized in one-dimensional and two-dimensional helical waveguide arrays. The band structure is drastically dependent on the helix radius and pe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5041c2a4d214c66a699ae9ad11e8b536
https://pubmed.ncbi.nlm.nih.gov/33449017
https://pubmed.ncbi.nlm.nih.gov/33449017
Publikováno v:
Journal of the Optical Society of America B. 39:751
We present a new type of self-imaging phenomenon named the scaling quasi-self-imaging effect, which is produced by adding shifted copies of the fundamental Pearcey beam. The recurrent solutions of two kinds of incident beams comprising one-dimensiona
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::596961c801e74f96ccfbc87d30e6b3d5
https://doi.org/10.1364/josab.450586
https://doi.org/10.1364/josab.450586
Publikováno v:
Physica Scripta. 96:065212
We investigated theoretically the nonlinear propagation dynamics of Gaussian beams in the fractional Schrödinger equation (FSE). When the nonlinearity is introduced into FSE without invoking an external potential, the evolution behaviors of incident
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8edec3918047e4efdde5747cfab7152
https://doi.org/10.1088/1402-4896/abf57f
https://doi.org/10.1088/1402-4896/abf57f
Publikováno v:
Journal of the Optical Society of America B. 38:123
The efficient manipulation of the Talbot effect by exploiting dynamic linear index potentials is demonstrated theoretically and numerically. The exact recurrent solutions of two kinds of incident periodic patterns are found. In each case, if the dyna
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ab3bc072f6dee3a467075d7d61dac9c
https://doi.org/10.1364/josab.404806
https://doi.org/10.1364/josab.404806
Publikováno v:
Optics Communications. 474:126156
We, both theoretically and numerically, investigate dynamic evolutions of Airy beams with quadratic phase modulation (QPM) and their interaction in paraxial optical systems, including free space, dynamic linear potential, and parabolic potential. In
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::921280602255459a41fb13680f29cb28
https://doi.org/10.1016/j.optcom.2020.126156
https://doi.org/10.1016/j.optcom.2020.126156