Jinyong Ma
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View article: Quantum Phase Gradient Imaging Using a Nonlocal Metasurface System
Quantum Phase Gradient Imaging Using a Nonlocal Metasurface System Open
Quantum phase imaging enables the analysis of transparent samples with thickness and refractive index variations in scenarios requiring precise measurements under low-light conditions. Here, we present a compact quantum phase-gradient imag…
View article: Enhanced Photon-Pair Generation from a van der Waals Metasurface
Enhanced Photon-Pair Generation from a van der Waals Metasurface Open
Quantum photon pairs play a pivotal role in many quantum applications. Metasurfaces, two-dimensional arrays of nanostructures, have been studied intensively to enhance and control pair generation via spontaneous parametric downconversion (…
View article: Nonlinearity symmetry breaking for generating tunable quantum entanglement in semiconductor metasurfaces
Nonlinearity symmetry breaking for generating tunable quantum entanglement in semiconductor metasurfaces Open
Tunable biphoton quantum entanglement generated from nonlinear flat optics is highly desirable for cutting-edge quantum technologies, yet its tunability is substantially constrained by the symmetry of material nonlinear tensors. Here, we o…
View article: Flatband nonlinear metasurface for broad-angle photon-pair generation
Flatband nonlinear metasurface for broad-angle photon-pair generation Open
Current nonlinear metasurface photon-pair sources face limitations in angular emission range and uniformity due to optical resonance dispersion, potentially hindering their application in quantum imaging, which demands broad-angle emission…
View article: Integrated generation of vortices and frequency conversion with metasurfaces
Integrated generation of vortices and frequency conversion with metasurfaces Open
View article: Broadband bright biphotons from periodically poled triple-resonance metasurface
Broadband bright biphotons from periodically poled triple-resonance metasurface Open
Biphotons from spontaneous parametric down conversion with broad bandwidth are highly wanted in many quantum technologies. However, achieving broad bandwidth in both frequency and momentum while keeping a high rate remains a challenge for …
View article: Quantum imaging using spatially entangled photon pairs from a nonlinear metasurface
Quantum imaging using spatially entangled photon pairs from a nonlinear metasurface Open
Nonlinear metasurfaces with subwavelength thickness were recently established as versatile platforms for the enhanced and tailorable generation of entangled photon pairs. The small dimensions and inherent stability of integrated metasurfac…
View article: Generation of tunable quantum entanglement via nonlinearity symmetry breaking in semiconductor metasurfaces
Generation of tunable quantum entanglement via nonlinearity symmetry breaking in semiconductor metasurfaces Open
Tunable biphoton quantum entanglement generated from nonlinear processes is highly desirable for cutting-edge quantum technologies, yet its tunability is substantially constrained by the symmetry of material nonlinear tensors. Here, we ove…
View article: Quantum Imaging Using Spatially Entangled Photon Pairs from a Nonlinear Metasurface
Quantum Imaging Using Spatially Entangled Photon Pairs from a Nonlinear Metasurface Open
Nonlinear metasurfaces with subwavelength thickness were recently established as versatile platforms for the enhanced and tailorable generation of entangled photon pairs. The small dimensions and inherent stability of integrated metasurfac…
View article: Directionally tunable co- and counterpropagating photon pairs from a nonlinear metasurface
Directionally tunable co- and counterpropagating photon pairs from a nonlinear metasurface Open
Nonlinear metasurfaces have recently been established as a new platform for generating photon pairs via spontaneous parametric down-conversion. While for classical harmonic generation in metasurfaces a high level of control over all degree…
View article: Single-shot characterization of photon indistinguishability with dielectric metasurfaces
Single-shot characterization of photon indistinguishability with dielectric metasurfaces Open
Characterizing the indistinguishability of photons is a key task in quantum photonics, underpinning the tuning and stabilization of the photon sources and thereby increasing the accuracy of quantum operations. The protocols for measuring t…
View article: Engineering Quantum Light Sources with Flat Optics
Engineering Quantum Light Sources with Flat Optics Open
Quantum light sources are essential building blocks for many quantum technologies, enabling secure communication, powerful computing, and precise sensing and imaging. Recent advancements have witnessed a significant shift toward the utiliz…
View article: Single-shot characterization of photon indistinguishability with dielectric metasurfaces
Single-shot characterization of photon indistinguishability with dielectric metasurfaces Open
Characterizing the indistinguishability of photons is a key task in quantum photonics, underpinning the tuning and stabilization of the photon sources and thereby increasing the accuracy of quantum operations. The protocols for measuring t…
View article: Modeling photothermal effects in high power optical resonators used for coherent levitation
Modeling photothermal effects in high power optical resonators used for coherent levitation Open
Radiation pressure can be used to enable optomechanical control and manipulation of the quantum state of a mechanical oscillator. Optomechanical interaction can also be mediated by photothermal effects which, although frequently overlooked…
View article: Polarization Engineering of Entangled Photons from a Lithium Niobate Nonlinear Metasurface
Polarization Engineering of Entangled Photons from a Lithium Niobate Nonlinear Metasurface Open
Complex polarization states of photon pairs are indispensable in various quantum technologies. Conventional methods for preparing desired two-photon polarization states are realized through bulky nonlinear crystals, which can restrict the …
View article: A proposal for detecting the spin of a single electron in superfluid helium
A proposal for detecting the spin of a single electron in superfluid helium Open
The electron bubble in superfluid helium has two degrees of freedom that may offer exceptionally low dissipation: the electron's spin and the bubble's motion. If these degrees of freedom can be read out and controlled with sufficient sensi…
View article: Photon pair generation from lithium niobate metasurface with tunable spatial entanglement
Photon pair generation from lithium niobate metasurface with tunable spatial entanglement Open
Two-photon state with spatial entanglement is an essential resource for\ntesting fundamental laws of quantum mechanics and various quantum applications.\nIts creation typically relies on spontaneous parametric down-conversion in\nbulky non…
View article: Spatially entangled photon pairs from lithium niobate nonlocal metasurfaces
Spatially entangled photon pairs from lithium niobate nonlocal metasurfaces Open
Metasurfaces consisting of nanoscale structures are underpinning new physical principles for the creation and shaping of quantum states of light. Multiphoton states that are entangled in spatial or angular domains are an essential resource…
View article: Cancellation of photothermally induced instability in an optical resonator
Cancellation of photothermally induced instability in an optical resonator Open
Optical systems are often subject to parametric instability caused by the delayed response of the optical field to the system dynamics. In some cases, parasitic photothermal effects aggravate the instability by adding new interaction dynam…
View article: Optical back-action on the photothermal relaxation rate
Optical back-action on the photothermal relaxation rate Open
Photothermal effects can alter the response of an optical cavity, for example, by inducing self-locking behavior or unstable anomalies. The consequences of these effects are often regarded as parasitic and generally cause limited operation…
View article: Dynamics and stability of an optically levitated mirror
Dynamics and stability of an optically levitated mirror Open
We analyse the dynamics of a one-dimensional vertical Fabry-Perot cavity, where the upper mirror levitates due to intra-cavity radiation pressure force. A perturbative approach is used based around separation of timescales, which allows us…
View article: Photothermal nonlinearity in optical cavities and optomechanical systems
Photothermal nonlinearity in optical cavities and optomechanical systems Open
The nonlinear interaction between photothermal effects and optical cavities may have significant impacts on cavity-based applications. Depending on the situation, the consequences of photothermal effects may be beneficial or detrimental. D…
View article: Optomechanically induced carrier-envelope-phase-dependent effects and their analytical solutions
Optomechanically induced carrier-envelope-phase-dependent effects and their analytical solutions Open
To date, investigations of carrier-envelope-phase (CEP)-dependent effects have been limited to optical pulses with few cycles and high intensity and have not been reported for other types of pulses. Optomechanical systems are shown to have…
View article: Controllable chaos in hybrid electro-optomechanical systems
Controllable chaos in hybrid electro-optomechanical systems Open
View article: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="script">P</mml:mi><mml:mi mathvariant="script">T</mml:mi></mml:math>-Symmetry-Breaking Chaos in Optomechanics
-Symmetry-Breaking Chaos in Optomechanics Open
We demonstrate PT-symmetry-breaking chaos in an optomechanical system, which features an ultralow driving threshold. In principle, this chaos will emerge once a driving laser is applied to the cavity mode and lasts for a period of time. Th…
View article: Optomechanically induced transparency in the presence of an external time-harmonic-driving force
Optomechanically induced transparency in the presence of an external time-harmonic-driving force Open