639 citations · 2.7k across the 23 of their papers we have counts for
24 papers
Silicon Nanoantenna Mix Arrays for a Trifecta of Quantum Emitter Enhancements
Zhaogang Dong, Sergey Gorelik, Ramón Paniagua-Dominguez +9
Dielectric nanostructures have demonstrated optical antenna effects due to Mie resonances. Preliminary investigations on dielectric nanoantennas have been carried out for a trifect…
Dual-resonance nanostructures for colour down-conversion of colloidal quantum emitters
Son Tung Ha, Emmanuel Lassalle, Xiao Liang +9
Linear colour conversion is a process where an emitter absorbs a photon and then emits another photon with either higher or lower energy, corresponding to up- or down conversion, r…
Large field-of-view and multi-color imaging with GaP quadratic metalenses
Anton V. Baranikov, Egor Khaidarov, Emmanuel Lassalle +5
Metalenses, in order to compete with conventional bulk optics in commercial imaging systems, often require large field of view (FOV) and broadband operation simultaneously. However…
Electrically Tunable Reflective Metasurfaces with Continuous and Full Phase Modulation for High-efficiency Wavefront Control at Visible Frequencies
Parikshit Moitra, Xuewu Xu, Rasna Maruthiyodan Veetil +4
All-dielectric optical metasurfaces can locally control the amplitude and phase of light at the nanoscale, enabling arbitrary wavefront shaping. However, lack of post-fabrication t…
Tunable wavefront control in the visible spectrum using low-loss chalcogenide phase change metasurfaces
Parikshit Moitra, Yunzheng Wang, Xinan Liang +6
All-dielectric metasurfaces provide unique solutions for advanced wavefront manipulation of light with complete control of amplitude and phase at sub-wavelength scales. One limitat…
Hybrid Dielectric-Plasmonic Nanoantenna with Multiresonances for Subwavelength Photon Sources
Pavel A. Dmitriev, Emmanuel Lassalle, Lu Ding +7
The enhancement of the photoluminescence of quantum dots induced by an optical nanoantenna has been studied considerably, but there is still significant interest in optimizing and…
High resolution multispectral spatial light modulators based on tunable Fabry-Perot nanocavities
Shampy Mansha, Parikshit Moitra, Xuewu Xu +6
Spatial light modulators (SLMs) are the most relevant technology for dynamic wavefront manipulation. They find diverse applications ranging from novel displays to optical and quant…
Bound state in the continuum in slab waveguide enables low-threshold quantum-dot lasing
Mengfei Wu, Lu Ding, Randy P. Sabatini +5
Colloidal quantum dots (CQDs) are a promising gain material for solution-processed, wavelength-tunable lasers, with potential application in displays, communications, and biomedica…
80-degree field-of-view transmissive metasurface-based spatial light modulator
Anton V. Baranikov, Shi-Qiang Li, Damien Eschimese +9
Compact, lightweight and high-performance spatial light modulators (SLMs) are crucial for modern optical technologies. The drive for pixel miniaturization, necessary to improve the…
Continuous wave second harmonic generation enabled by quasi-bound-states in the continuum on gallium phosphide metasurfaces
Aravind P. Anthur, Haizhong Zhang, Ramon Paniagua-Dominguez +5
Resonant metasurfaces are an attractive platform for enhancing the non-linear optical processes, such as second harmonic generation (SHG), since they can generate very large local…
Imaging properties of large field-of-view quadratic metalenses and their applications to fingerprint detection
Emmanuel Lassalle, Tobias W. W. Mass, Damien Eschimese +5
Dielectric metasurfaces, extremely thin nanostructured dielectric surfaces, hold promise to replace conventional refractive optics, such as lenses, due to their high performance an…
Large-scale Huygens metasurfaces for holographic 3D near-eye displays
Weitao Song, Xinan Liang, Shiqiang Li +6
Novel display technologies aim at providing the users with increasingly immersive experiences. In this regard, it is a long-sought dream to generate three-dimensional (3D) scenes w…
Nonlinear interferometry with infrared metasurfaces
Anna V. Paterova, Dmitry A. Kalashnikov, Egor Khaidarov +5
The optical elements comprised of sub-diffractive light scatterers, or metasurfaces, hold a promise to reduce the footprint and unfold new functionalities of optical devices. A par…
Lasing action in single subwavelength particles supporting supercavity modes
Vasilii Mylnikov, Son Tung Ha, Zhenying Pan +4
On-chip light sources are critical for the realization of fully integrated photonic circuitry. So far, semiconductor miniaturized lasers have been mainly limited to sizes on the or…
Control of LED Emission with Functional Dielectric Metasurfaces
Egor Khaidarov, Zhengtong Liu, Ramon Paniagua-Dominguez +8
The improvement of light-emitting diodes (LEDs) is one of the major goals of optoelectronics and photonics research. While emission rate enhancement is certainly one of the targets…
Super-resonances in microspheres: extreme effects in field localization
Zengbo Wang, Boris Luk'yanchuk, Liyang Yue +7
We reveal the existence of optical super-resonance modes supported by dielectric microspheres. These modes,with field-intensity enhancement factors on the order of 10^4-10^5, can b…
Phase-only transmissive spatial light modulator based on tunable dielectric metasurface
Shi-Qiang Li, Xuewu Xu, Rasna Maruthiyodan Veetil +3
Rapidly developing augmented reality (AR) and 3D holographic display technologies require spatial light modulators (SLM) with high resolution and viewing angle to be able to satisf…
Lasing action in active dielectric nanoantenna arrays
Son Tung Ha, Yuan Hsing Fu, Naresh Kumar Emani +4
Directional lasing, with a low threshold and high quality factor, in active dielectric nanoantenna arrays is demonstrated. This is achieved through a leaky resonance excited in cou…
A Metalens with Near-Unity Numerical Aperture
Ramon Paniagua-Dominguez, Ye Feng Yu, Egor Khaidarov +8
The numerical aperture (NA) of a lens determines its ability to focus light and its resolving capability. Having a large NA is a very desirable quality for applications requiring s…
Suppression of scattering for small dielectric particles: an anapole mode and invisibility
Boris Luk`yanchuk, Ramon Paniagua-Dominguez, Arseniy I. Kuznetsov +2
We reveal that an isotropic homogeneous subwavelength particle with a high refractive index can produce ultra-weak total scattering due to vanishing contribution of the electric di…
Photonic band structure and effective medium properties of doubly-resonant core-shell metallo-dielectric nanowire arrays: low-loss, isotropic optical negative-index behavior
D. R. Abujetas, R. Paniagua-Domínguez, M. Nieto-Vesperinas +1
We investigate theoretically and numerically the photonic band structure in the optical domain of an array of core-shell metal-semiconductor nanowires. Corresponding negative-index…
Optimum Forward Light Scattering by Spherical and Spheroidal Dielectric Nanoparticles with High Refractive Index
Boris S. Luk`yanchuk, Nikolai V. Voshchinnikov, Ramon Paniagua-Dominguez +1
High-refractive index dielectric nanoparticles may exhibit strong directional forward light scattering at visible and near-infrared wavelengths due to interference of simultaneousl…
Ultra low-loss, isotropic 2D optical negative-index metamaterial based on hybrid metal-semiconductor nanowires
R. Paniagua-Dominguez, D. R. Abujetas, J. A. Sanchez-Gil
In the past few years, many of the fascinating and previously almost unconceivable properties predicted for those novel, artificial, man-made materials, so called metamaterials, we…
Fano-like interference of plasmon resonances at a single rod-shaped nanoantenna
F. López-Tejeira, R. Paniagua-Domínguez, R. Rodríguez-Oliveros +1
Single metallic nanorods acting as half-wave antennas in the optical range exhibit an asymmetric, multi-resonant scattering spectrum that strongly depends on both their length and…