195 citations · 516 across the 15 of their papers we have counts for
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Enhanced Tunable Photon Pair Generation from Nonlinear Metasurface with Guided-Mode Cavity
Tongmiao Fan, Jihua Zhang, Andrey A. Sukhorukov
The ability to generate quantum entangled photon pairs through spontaneous parametric down conversion (SPDC) is playing a pivotal role in many applications in quantum technologies,…
Angle multifunctional dichroism in metasurfaces
Neuton Li, Jihua Zhang, Dragomir Neshev +1
We demonstrate metasurfaces with strong polarization dichroism that depends on the angle of incidence. We present original designs obtained through topology optimization that selec…
Generation of tunable quantum entanglement via nonlinearity symmetry breaking in semiconductor metasurfaces
Jinyong Ma, Tongmiao Fan, Tuomas Haggren +10
Tunable biphoton quantum entanglement generated from nonlinear processes is highly desirable for cutting-edge quantum technologies, yet its tunability is substantially constrained…
Quantum Imaging Using Spatially Entangled Photon Pairs from a Nonlinear Metasurface
Jinyong Ma, Jinliang Ren, Jihua Zhang +4
Nonlinear metasurfaces with subwavelength thickness were recently established as versatile platforms for the enhanced and tailorable generation of entangled photon pairs. The small…
Enhanced infrared vision by nonlinear up-conversion in nonlocal metasurfaces
Laura Valencia Molina, Rocio Camacho Morales, Jihua Zhang +4
The ability to detect and image short-wave infrared light has important applications in surveillance, autonomous navigation, and biological imaging. However, the current infrared i…
Inverse Design of Nonlinear Metasurfaces for Sum Frequency Generation
Neuton Li, Jihua Zhang, Dragomir N. Neshev +1
Sum frequency generation (SFG) has multiple applications, from optical sources to imaging, where efficient conversion requires either long interaction distances or large field conc…
Directionally Tunable Co- and Counter-Propagating Photon Pairs from a Nonlinear Metasurface
Maximilian A. Weissflog, Jinyong Ma, Jihua Zhang +6
Nonlinear metasurfaces have recently been established as a new platform for generating photon pairs via spontaneous parametric down-conversion. While for classical harmonic generat…
Engineering Quantum Light Sources with Flat Optics
Jinyong Ma, Jihua Zhang, Jake Horder +4
Quantum light sources are essential building blocks for many quantum technologies, enabling secure communication, powerful computing, precise sensing and imaging. Recent advancemen…
Single-shot characterization of photon indistinguishability with dielectric metasurfaces
Jihua Zhang, Jinyong Ma, Neuton Li +2
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 ac…
Photon pair generation from lithium niobate metasurface with tunable spatial entanglement
Jihua Zhang, Jinyong Ma, Dragomir N. Neshev +1
Two-photon state with spatial entanglement is an essential resource for testing fundamental laws of quantum mechanics and various quantum applications. Its creation typically relie…
Full conversion of unpolarized to fixed-polarization light with topology optimized metasurfaces
Neuton Li, Shaun Lung, Jihua Zhang +2
Conventional polarizers and polarization beam splitters have a fundamental limit of 50\% efficiency when converting unpolarized light into one specific polarization. Here, we overc…
Polarization engineering of entangled photons from a lithium niobate nonlinear metasurface
Jinyong Ma, Jihua Zhang, Yuxin Jiang +4
Complex polarization states of photon pairs are indispensable in various quantum technologies. Conventional methods for preparing desired two-photon polarization states are realize…
Spatially entangled photon-pairs from lithium niobate nonlocal metasurfaces
Jihua Zhang, Jinyong Ma, Matthew Parry +5
Metasurfaces consisting of nano-scale structures are underpinning new physical principles for the creation and shaping of quantum states of light. Multi-photon states that are enta…
Complex-birefringent dielectric metasurfaces for arbitrary polarization-pair transformations
Shaun Lung, Kai Wang, Khosro Zangeneh Kamali +4
Birefringent materials or nanostructures that introduce phase differences between two linear polarizations underpin the operation of wave plates for polarization control of light.…