Andrei Faraon
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View article: Inverse-designed metasurfaces for multifunctional spatial frequency filtering
Inverse-designed metasurfaces for multifunctional spatial frequency filtering Open
With the rapid rise in demand for edge computing, there is a need for low-power, compact approaches to information processing. Optical metasurfaces have emerged as a powerful platform for implementing convolution operations in the analog d…
View article: Sub-second spin and lifetime-limited optical coherences in $^{171}$Yb$^{3+}$:CaWO$_4$
Sub-second spin and lifetime-limited optical coherences in $^{171}$Yb$^{3+}$:CaWO$_4$ Open
Optically addressable solid-state spins have been extensively studied for quantum technologies, offering unique advantages for quantum computing, communication, and sensing. Advancing these applications is generally limited by finding mate…
View article: On "Inconsistencies of metalens performance and comparison with conventional diffractive optics"
On "Inconsistencies of metalens performance and comparison with conventional diffractive optics" Open
It was recently claimed1 that reported focusing efficiency values of high numerical aperture metalenses are inconsistent with a theoretical bound, and their measurement results are incorrectly interpreted. We review the article and conclud…
View article: Quantum thermalization and Floquet engineering in a spin ensemble with a clock transition
Quantum thermalization and Floquet engineering in a spin ensemble with a clock transition Open
Studying and controlling quantum many-body interactions is fundamentally important for quantum science and related emerging technologies. Optically addressable solid-state spins offer a promising platform for exploring various quantum many…
View article: ARQUIN: Architectures for Multinode Superconducting Quantum Computers
ARQUIN: Architectures for Multinode Superconducting Quantum Computers Open
Many proposals to scale quantum technology rely on modular or distributed designs wherein individual quantum processors, called nodes, are linked together to form one large multinode quantum computer (MNQC). One scalable method to construc…
View article: Scalable microwave-to-optical transducers at single photon level with spins
Scalable microwave-to-optical transducers at single photon level with spins Open
Microwave-to-optical transduction of single photons will play an essential role in interconnecting future superconducting quantum devices, with applications in distributed quantum computing and secure communications. Various transducers th…
View article: Roadmap on photonic metasurfaces
Roadmap on photonic metasurfaces Open
Here we present a roadmap on Photonic metasurfaces. This document consists of a number of perspective articles on different applications, challenge areas or technologies underlying photonic metasurfaces. Each perspective will introduce the…
View article: Roadmap for Optical Metasurfaces
Roadmap for Optical Metasurfaces Open
Metasurfaces have recently risen to prominence in optical research, providing unique functionalities that can be used for imaging, beam forming, holography, polarimetry, and many more, while keeping device dimensions small. Despite the fac…
View article: Multiplexed Entanglement of Multi-emitter Quantum Network Nodes
Multiplexed Entanglement of Multi-emitter Quantum Network Nodes Open
Quantum networks that distribute entanglement among remote nodes will unlock transformational technologies in quantum computing, communication, and sensing. However, state-of-the-art networks utilize only a single optically-addressed qubit…
View article: Dynamic light manipulation via silicon-organic slot metasurfaces
Dynamic light manipulation via silicon-organic slot metasurfaces Open
Active metasurfaces provide the opportunity for fast spatio-temporal control of light. Among various tuning methods, organic electro-optic materials provide some unique advantages due to their fast speed and large nonlinearity, along with …
View article: Metasurface-assisted 3D beam shaping using array of scatterers
Metasurface-assisted 3D beam shaping using array of scatterers Open
Cascaded metasurfaces can control the phase, amplitude and polarization of an electromagnetic beam, shaping it in three dimensional configuration not achievable with other methods. Each cascaded metasurface has dielectric or metallic scatt…
View article: Carbon-Related Quantum Emitter in Hexagonal Boron Nitride with Homogeneous Energy and 3-Fold Polarization
Carbon-Related Quantum Emitter in Hexagonal Boron Nitride with Homogeneous Energy and 3-Fold Polarization Open
Most hexagonal boron nitride (hBN) single-photon emitters (SPEs) studied to date suffer from variable emission energy and unpredictable polarization, two crucial obstacles to their application in quantum technologies. Here, we report an SP…
View article: Tunable elastic dielectric metasurface lenses
Tunable elastic dielectric metasurface lenses Open
Metasurfaces comprise an array of meta-atoms in a stretchable polymer. The dimensions and shapes of the meta-atoms and the spacing are varied to obtain desired optical properties. Any optical wavefront, for different wavelengths, illuminat…
View article: High-dimensional time-frequency entanglement in a singly-filtered biphoton frequency comb
High-dimensional time-frequency entanglement in a singly-filtered biphoton frequency comb Open
High-dimensional quantum entanglement is a cornerstone for advanced technology enabling large-scale noise-tolerant quantum systems, fault-tolerant quantum computing, and distributed quantum networks. The recently developed biphoton frequen…
View article: High-dimensional time-frequency entanglement in a singly-filtered biphoton frequency comb
High-dimensional time-frequency entanglement in a singly-filtered biphoton frequency comb Open
High-dimensional quantum entanglement is a cornerstone for advanced technology enabling large-scale noise-tolerant quantum systems, fault-tolerant quantum computing, and distributed quantum networks. The recently developed biphoton frequen…
View article: Multi-dimensional wavefront sensing using volumetric meta-optics
Multi-dimensional wavefront sensing using volumetric meta-optics Open
The ideal imaging system would efficiently capture information about the fundamental properties of light: propagation direction, wavelength, and polarization. Most common imaging systems only map the spatial degrees of freedom of light ont…
View article: Nanoelectromechanical Tuning of High-<i>Q</i> Slot Metasurfaces
Nanoelectromechanical Tuning of High-<i>Q</i> Slot Metasurfaces Open
Nanoelectromechanical devices have been used widely in many applications across photonics, electronics, and acoustics. Their incorporation into metasurface systems could be beneficial in designing new types of active photonic devices. Here…
View article: Low-voltage dynamic light manipulation with silicon-organic slotmetasurfaces
Low-voltage dynamic light manipulation with silicon-organic slotmetasurfaces Open
Active metasurfaces provide the opportunity for fast spatio-temporal control of light. Among various tuning methods, organic electro-optic materials provide some unique advantages due to their fast speed and large nonlinearity, along with …
View article: 3D-patterned inverse-designed mid-infrared metaoptics
3D-patterned inverse-designed mid-infrared metaoptics Open
Modern imaging systems can be enhanced in efficiency, compactness, and application through the introduction of multilayer nanopatterned structures for manipulation of light based on its fundamental properties. High transmission multispectr…
View article: Angle multiplexed metasurfaces
Angle multiplexed metasurfaces Open
A metasurface is defined by an array of scattering elements having a U shape, where the geometrical dimensions determining the U shape are determined according to the different phase profiles that the metasurface is meant to generate in re…
View article: Dispersionless and dispersion-controlled optical dielectric metasurfaces
Dispersionless and dispersion-controlled optical dielectric metasurfaces Open
Metasurfaces comprise an array of pillars in a lattice. The dimensions of the pillars and the spacing are varied to obtain desired optical properties. The dispersionless metasurfaces can focus optical light over a broad wavelength range. S…
View article: Metasurface-assisted 3D beam shaping for desired phase, amplitude, and polarization
Metasurface-assisted 3D beam shaping for desired phase, amplitude, and polarization Open
Cascaded metasurfaces can control the phase, amplitude and polarization of an electromagnetic beam, shaping it in three dimensional configuration not achievable with other methods. Each cascaded metasurface has dielectric or metallic scatt…
View article: Microwave-to-optical transduction with erbium ions coupled to planar photonic and superconducting resonators
Microwave-to-optical transduction with erbium ions coupled to planar photonic and superconducting resonators Open
Optical quantum networks can connect distant quantum processors to enable secure quantum communication and distributed quantum computing. Superconducting qubits are a leading technology for quantum information processing but cannot couple …
View article: Multi-dimensional wavefront sensing using volumetric meta-optics
Multi-dimensional wavefront sensing using volumetric meta-optics Open
The ideal imaging system would efficiently capture information about all fundamental properties light: intensity, direction, wavelength, and polarization. Most common imaging systems only map the spatial degrees of freedom of light onto a …
View article: Conformal optical metasurfaces
Conformal optical metasurfaces Open
Structures for scattering light at multiple wavelengths are disclosed. Scattering elements are fabricated with different geometric dimensions and arrangements, to scatter or focus light at the the same focal distance for each wavelength, o…
View article: On-chip optical filter comprising Fabri-Perot resonator structure and spectrometer
On-chip optical filter comprising Fabri-Perot resonator structure and spectrometer Open
An on-chip optical filter having Fabri-Perot resonators and a spectrometer may include a first sub-wavelength grating (SWG) reflecting layer and a second SWG reflecting layer facing each other. A plurality of Fabri-Perot resonators are for…
View article: Method of manufacturing image sensor including nanostructure color filter
Method of manufacturing image sensor including nanostructure color filter Open
A method of manufacturing an image sensor includes: preparing a sensor substrate including: a sensor layer including a photosensitive cell; and a signal line layer including lines to receive electric signals from the photosensitive cell; f…
View article: Optical Phased Array Using Guided Resonance with Backside Reflectors
Optical Phased Array Using Guided Resonance with Backside Reflectors Open
Methods and systems for controlling the phase of electromagnetic waves are disclosed. A device can consist of a guided resonance grating layer, a spacer, and a reflector. A plurality of devices, arranged in a grid pattern, can control the …
View article: Metasurface‐Enabled Holographic Lithography for Impact‐Absorbing Nanoarchitected Sheets
Metasurface‐Enabled Holographic Lithography for Impact‐Absorbing Nanoarchitected Sheets Open
Nanoarchitected materials represent a class of structural meta‐materials that utilze nanoscale features to achieve unconventional material properties such as ultralow density and high energy absorption. A dearth of fabrication methods capa…