Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Qin, Meibao"'
Publikováno v:
Physical Review B 109 (15), 155424 (2024)
Here we demonstrate the efficient photon-pair generation via spontaneous parametric down conversion from a semiconductor metasurface supporting dual quasi-bound states in the continuum (quasi-BICs). In a simple metasurface design composed of AlGaAs e
Externí odkaz:
http://arxiv.org/abs/2401.14140
Publikováno v:
Physical Review B 107 (7), 075441 (2023)
We present nonlinear optical four-wave mixing in a silicon nanodisk dimer metasurface. Under the oblique incident plane waves, the designed metasurface exhibits a multi-resonant feature with simultaneous excitations of three quasi-bound states in the
Externí odkaz:
http://arxiv.org/abs/2209.08454
Autor:
Qin, Meibao, Duan, Junyi, Xiao, Shuyuan, Liu, Wenxing, Yu, Tianbao, Wang, Tongbiao, Liao, Qinghua
Publikováno v:
Physical Review B 107 (4), 045417 (2023)
We investigate the strong coupling between the excitons and quasi-bound states in the continuum (BIC) resonance in a bulk WS$_2$ metasurface. Here we employ the bulk WS$_2$ to construct an ultrathin nanodisk metasurface, supporting the symmetry-prote
Externí odkaz:
http://arxiv.org/abs/2209.00416
Publikováno v:
Optics Express 30 (18), 32590-32599 (2022)
The emerging all-dielectric platform exhibits high-quality ($Q$) resonances governed by the physics of bound states in the continuum (BIC) that drives highly efficient nonlinear optical processes. Here we demonstrate the robust enhancement of third-(
Externí odkaz:
http://arxiv.org/abs/2203.10226
Publikováno v:
Physical Review B 105 (19), 195440 (2022)
Tailoring optical nonlinear effects (e.g. harmonic generation, sum-frequency mixing, etc.) in the recently emerging all-dielectric platform is important for both the fundamental science and industrial development of high-efficiency, ultrafast, and mi
Externí odkaz:
http://arxiv.org/abs/2203.05777
Autor:
Qin, Meibao, Duan, Junyi, Xiao, Shuyuan, Liu, Wenxing, Yu, Tianbao, Wang, Tongbiao, Liao, Qinghua
Publikováno v:
Physical Review B 105 (19), 195425 (2022)
Strong coupling exhibits unique ability to preserve quantum sates between light and matter, which is essential for the development of quantum information technology. To explore the physical mechanism behind this phenomenon, we employ the tight-bindin
Externí odkaz:
http://arxiv.org/abs/2111.00689
Publikováno v:
Optics Express 29 (18), 29541-29549 (2021)
Metasurface-mediated bound states in the continuum (BIC) provides a versatile platform for light manipulation at subwavelength dimension with diverging radiative quality factor and extreme optical localization. In this work, we employ magnetic dipole
Externí odkaz:
http://arxiv.org/abs/2107.08180
Autor:
Qin, Meibao, Xiao, Shuyuan, Liu, Wenxing, Ouyang, Mingyu, Yu, Tianbao, Wang, Tongbiao, Liao, Qinghua
Publikováno v:
Optics Express 29 (12), 18026-18036 (2021)
Enhancing the light-matter interactions in two-dimensional materials via optical metasurfaces has attracted much attention due to its potential to enable breakthrough in advanced compact photonic and quantum information devices. Here, we theoreticall
Externí odkaz:
http://arxiv.org/abs/2101.06577
Akademický článek
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Publikováno v:
Journal of Applied Physics; 11/21/2022, Vol. 132 Issue 19, p1-14, 14p