Shiqiao Qin
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View article: Angles-Only Navigation via Optical Satellite Measurement with Prior Altitude Constrained
Angles-Only Navigation via Optical Satellite Measurement with Prior Altitude Constrained Open
This paper presents an angles-only navigation (AON) method utilizing optical observations of a single satellite with known ephemeris and prior altitude constraints given by an altimeter or known topography, which can enable near-ground pla…
View article: Risk factors for postoperative nausea and vomiting after endovascular interventional therapy: a case–control study
Risk factors for postoperative nausea and vomiting after endovascular interventional therapy: a case–control study Open
Postoperative nausea and vomiting (PONV) remain common complications following endovascular intervention. The unique risks for patients undergoing endovascular therapy under local or monitored anaesthesia care (MAC) remain poorly character…
View article: Electromagnetic vectoriality beyond polarization
Electromagnetic vectoriality beyond polarization Open
For arbitrary charge-current distributions, is it possible that along all directions their radiations are nonzero and are all circularly polarized? Our current descriptions of vectorial electromagnetic waves based on polarizations and the …
View article: Large-area graphene thermal emitter based on all-dielectric Fabry-Perot cavity in the near-infrared
Large-area graphene thermal emitter based on all-dielectric Fabry-Perot cavity in the near-infrared Open
The exceptional saturation current density and ultrafast Joule heating modulation properties of graphene present significant potential for active thermal emission regulation. However, its practical implementation in near-infrared regimes h…
View article: Polarization-Independent Zero Directional Scattering Without Geometric Symmetries
Polarization-Independent Zero Directional Scattering Without Geometric Symmetries Open
As the characteristic feature of generalized Kerker effect in Mie theory, directional scattering elimination has been playing a pivotal role in nanophotonics and many other photonic disciplines, such as singular optics and topological phot…
View article: Concurrent phase-matchings for multi-wavelength conversion in coupled dual waveguides
Concurrent phase-matchings for multi-wavelength conversion in coupled dual waveguides Open
Thin film lithium niobate, as a highly promising integrated photonics platform, has emerged as an ideal material platform for wavelength conversion owing to its exceptional second-order nonlinear characteristics. Here, we present the first…
View article: Polarizations Underdescribe Vectorial Electromagnetic Waves
Polarizations Underdescribe Vectorial Electromagnetic Waves Open
Electromagnetic waves are described by not only polarization ellipses but also cyclically rotating vectors tracing out them. The corresponding fields are respectively directionless steady line fields and directional instantaneous vector fi…
View article: Magneto-chiral backscatterings by rotationally symmetric nonreciprocal structures
Magneto-chiral backscatterings by rotationally symmetric nonreciprocal structures Open
It was proved that the joint operation of electromagnetic reciprocity and n -fold ( n ≥ 3) rotational symmetry would secure arbitrary polarization-independent backscattering efficiency [ Phys. Rev. B 103 ( 4 ), 045422 ( 2021 ) 10.1103/Phys…
View article: Intrinsic polarization conversion and avoided-mode crossing in X-cut lithium niobate microrings
Intrinsic polarization conversion and avoided-mode crossing in X-cut lithium niobate microrings Open
Compared with well-developed free space polarization converters, polarization conversion between TE and TM modes in waveguide is generally considered to be caused by shape birefringence, like curvature, morphology of waveguide cross sectio…
View article: Magneto-chiral backscatterings by rotationally symmetric nonreciprocal structures
Magneto-chiral backscatterings by rotationally symmetric nonreciprocal structures Open
It was proved that the joint operation of electromagnetic reciprocity and $n$-fold ($n\geq3$) rotational symmetry would secure arbitrary polarization-independent backscattering efficiency [Phys. Rev. B \textbf{103}, 045422 (2021)]. Here we…
View article: Spatio-Temporal Nonlinear Theory in Birefringent Microrings
Spatio-Temporal Nonlinear Theory in Birefringent Microrings Open
Frequency-dependent nonlinear process in microresonators is widely acknowledged, but there is no theory available to calculate the conversion efficiency for each resonance of the ring, except for the phase-matching one. Similarly for azimu…
View article: Momentum‐Space Scattering Extremizations
Momentum‐Space Scattering Extremizations Open
Studies into scatterings of photonic structures have been so far overwhelmingly focused on their dependencies on the spatial and spectral morphologies of the incident waves. In contrast, evolutions of scattering properties through another …
View article: Momentum-space Scattering Extremizations
Momentum-space Scattering Extremizations Open
Studies into scatterings of photonic structures have been so far overwhelmingly focused on their dependencies on the spatial and spectral morphologies of the incident waves. In contrast, the evolution of scattering properties through anoth…
View article: Indefinite Graphene Nanocavities with Ultra-Compressed Mode Volumes
Indefinite Graphene Nanocavities with Ultra-Compressed Mode Volumes Open
Explorations of indefinite nanocavities have attracted surging interest in the past few years as such cavities enable light confinement to exceptionally small dimensions, relying on the hyperbolic dispersion of their consisting medium. Her…
View article: Visible light emission enhancement from a graphene-based metal Fabry-Pérot cavity
Visible light emission enhancement from a graphene-based metal Fabry-Pérot cavity Open
The high saturation current density and ultrafast heating modulation of graphene makes it a competitive candidate for future thermal emission source. However, the low emissivity and easy oxidation under high temperature in air limit graphe…
View article: Regulation of Thermal Emission Position in Biased Graphene
Regulation of Thermal Emission Position in Biased Graphene Open
A very attractive advantage of graphene is that its Fermi level can be regulated by electrostatic bias doping. It is of great significance to investigate and control the spatial location of graphene emission for graphene thermal emitters, …
View article: Integrated wafer-scale ultra-flat graphene by gradient surface energy modulation
Integrated wafer-scale ultra-flat graphene by gradient surface energy modulation Open
The integration of large-scale two-dimensional (2D) materials onto semiconductor wafers is highly desirable for advanced electronic devices, but challenges such as transfer-related crack, contamination, wrinkle and doping remain. Here, we …
View article: Controlling Tunneling Characteristics via Bias Voltage in Bilayer Graphene/WS2/Metal Heterojunctions
Controlling Tunneling Characteristics via Bias Voltage in Bilayer Graphene/WS2/Metal Heterojunctions Open
Van der Waals heterojunctions, formed by stacking two-dimensional materials with various structural and electronic properties, opens a new way to design new functional devices for future applications and provides an ideal research platform…
View article: Effect of induced current loss on quality factor of graphene resonators
Effect of induced current loss on quality factor of graphene resonators Open
As the important electric loss of a graphene resonator, intrinsic current loss has received increasing attention, but the existing research is limited to qualitative analysis and approximate calculation. Based on the microscopic behavior o…
View article: A Review on Graphene-Based Nano-Electromechanical Resonators: Fabrication, Performance, and Applications
A Review on Graphene-Based Nano-Electromechanical Resonators: Fabrication, Performance, and Applications Open
The emergence of graphene and other two-dimensional materials overcomes the limitation in the characteristic size of silicon-based micro-resonators and paved the way in the realization of nano-mechanical resonators. In this paper, we revie…
View article: A Novel Two-Axis Differential Resonant Accelerometer Based on Graphene with Transmission Beams
A Novel Two-Axis Differential Resonant Accelerometer Based on Graphene with Transmission Beams Open
In this paper, a novel two-axis differential resonant accelerometer based on graphene with transmission beams is presented. This accelerometer can not only reduce the cross sensitivity, but also overcome the influence of gravity, realizing…
View article: Enhanced Molecular Infrared Spectroscopy Employing Bilayer Graphene Acoustic Plasmon Resonator
Enhanced Molecular Infrared Spectroscopy Employing Bilayer Graphene Acoustic Plasmon Resonator Open
Graphene plasmon resonators with the ability to support plasmonic resonances in the infrared region make them a promising platform for plasmon-enhanced spectroscopy techniques. Here we propose a resonant graphene plasmonic system for infra…
View article: High Q Resonant Graphene Absorber with Lossless Phase Change Material Sb2S3
High Q Resonant Graphene Absorber with Lossless Phase Change Material Sb2S3 Open
Graphene absorbers have attracted lots of interest in recent years. They provide huge potential for applications such as photodetectors, modulators, and thermal emitters. In this letter, we design a high-quality (Q) factor resonant graphen…
View article: Electrically tunable absorber based on a graphene integrated lithium niobate resonant metasurface
Electrically tunable absorber based on a graphene integrated lithium niobate resonant metasurface Open
Perfect absorbers are of great importance in various applications such as photodetectors, optical sensors and optical modulators. Recently, perfect absorption metasurface based on monolayer graphene has attracted lots of research interest.…
View article: Far‐Field Excitation of Acoustic Graphene Plasmons with a Metamaterial Absorber
Far‐Field Excitation of Acoustic Graphene Plasmons with a Metamaterial Absorber Open
When a graphene sheet is placed near a metal surface, it supports a special type of highly confined and low‐loss electromagnetic mode called acoustic graphene plasmons (AGPs). AGPs squeeze infrared photons into extremely confined areas dow…
View article: Ultra-narrowband visible light absorption in a monolayer MoS<sub>2</sub> based resonant nanostructure
Ultra-narrowband visible light absorption in a monolayer MoS<sub>2</sub> based resonant nanostructure Open
Enhance light absorption in two-dimensional (2D) materials are of great importance for the development of many optoelectronic devices such as photodetectors, modulators and thermal emitters. In this paper, a resonant nanostructure based on…
View article: Fano-Resonance in Hybrid Metal-Graphene Metamaterial and Its Application as Mid-Infrared Plasmonic Sensor
Fano-Resonance in Hybrid Metal-Graphene Metamaterial and Its Application as Mid-Infrared Plasmonic Sensor Open
Fano resonances in nanostructures have attracted widespread research interests in the past few years for their potential applications in sensing, switching and nonlinear optics. In this paper, a mid-infrared Fano resonance in a hybrid meta…