Multiplexing-oriented plasmon-MoS2 hybrid metasurfaces driven by nonlinear quasi bound states in the continuum

Q Ren, F Feng, X Yao, Q Xu, M **n, Z Lan, J You… - Optics …, 2021 - opg.optica.org
Rapid progress in nonlinear plasmonic metasurfaces enabled many novel optical
characteristics for metasurfaces, with potential applications in frequency metrology …

High-Q metasurface signal isolator for 1.5 T surface coil magnetic resonance imaging on the go

Q Ren, Y Lang, Y Jia, X **ao, Y Liu, X Kong, R **… - Optics …, 2024 - opg.optica.org
The combination of surface coils and metamaterials remarkably enhance magnetic
resonance imaging (MRI) performance for significant local staging flexibility. However, due …

Digital imaging through terahertz multifrequency programmable metasurface based on BIC

X Wang, X Wang, Z Yao, G Guo, Y Jia, Y He, R **… - Optical Materials, 2023 - Elsevier
Due to its intense penetration and low photon energy, terahertz (THz) imaging has been
widely applied in biomedical imaging, non-destructive testing, and digital holography. The …

Plasmon hybridization induced by quasi bound state in the continuum of graphene metasurfaces oriented for high-accuracy polarization-insensitive two-dimensional …

X Wang, J **n, Q Ren, H Cai, J Han, C Tian… - Chinese Optics …, 2022 - opg.optica.org
Plasmonics could provide compact and powerful solutions for manipulating light in deep-
subwavelength dimensions, which is promising for a great range of nanophotonic …

Low- and high-β lasers in the class-A limit: photon statistics, linewidth, and the laser-phase transition analogy

N Takemura, M Takiguchi, M Notomi - Journal of the Optical Society …, 2021 - opg.optica.org
Nanocavity lasers are commonly characterized by the spontaneous coupling coefficient β
that represents the fraction of photons emitted into the lasing mode. While β is …

Temperature-controlled optical switch metasurface with large local field enhancement based on FW-BIC

X Wang, X Wang, Q Ren, H Cai, J **n… - Frontiers in …, 2023 - frontiersin.org
Introduction: Many researchers have explored the bound states in the continuum (BICs) as a
particular bound wave state which can be used to achieve a very high Q-factor. High-Q …

Rectangular Maxwell's fisheye lens via transformation optics as a crossing medium for dissimilar waveguides

SH Badri, MM Gilarlue… - Journal of the Optical …, 2020 - opg.optica.org
Different material platforms, each offering a set of unique advantages, have been introduced
for photonic integrated circuits. These platforms may be used in the same photonic chip to …

Polarization multiplexing multichannel high-Q terahertz sensing system

X Wang, X Wang, Q Ren, H Cai, J **n… - Frontiers in …, 2023 - frontiersin.org
Terahertz functional devices with high-Q factor play an important role in spectral sensing,
security imaging, and wireless communication. The reported terahertz devices based on the …

Comparison between the linear and nonlinear homogenization of graphene and silicon metasurfaces

Q Ren, JW You, NC Panoiu - IEEE Access, 2020 - ieeexplore.ieee.org
In this article, we use a versatile homogenization approach to model the linear and
nonlinear optical response of two metasurfaces: a plasmonic metasurface consisting of …

Micro-cavity optimization for ultra-sensitive all-dielectric optical sensors

P Rouquette, C Amra, M Zerrad, M Lequime - Optics Express, 2022 - opg.optica.org
We present an analytical method for the optimization of luminescent micro-cavities to create
a substrate that is extremely sensitive to contamination. Giant optical enhancement can thus …