Seyedeh Mahsa Kamali
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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: 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: 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: 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: 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: 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: Increasing efficiency of high numerical aperture metasurfaces using the\n grating averaging technique
Increasing efficiency of high numerical aperture metasurfaces using the\n grating averaging technique Open
One of the important advantages of optical metasurfaces over conventional\ndiffractive optical elements is their capability to efficiently deflect light\nby large angles. However, metasurfaces are conventionally designed using\napproaches …
View article: Metasurface-generated complex 3-dimensional optical fields for interference lithography
Metasurface-generated complex 3-dimensional optical fields for interference lithography Open
Significance Fast submicrometer-scale 3D printing techniques are of interest for various applications ranging from photonics and electronics to tissue engineering. Interference lithography is a versatile 3D printing method with the ability…
View article: Vectorial Holograms with a Dielectric Metasurface: Ultimate Polarization Pattern Generation
Vectorial Holograms with a Dielectric Metasurface: Ultimate Polarization Pattern Generation Open
Controlling the polarization of light has been of interest for various applications in laser materials processing, display systems, and spectroscopy among others. Despite great advancements, the level of control over the polarization of li…
View article: Metasurface-based compact light engine for AR headsets
Metasurface-based compact light engine for AR headsets Open
Despite the great advances, potentials of augmented reality to fundamentally transform the way people use computers is partially hindered by the size and weight of the AR headsets. In waveguide-based devices, the light engine constitutes a…
View article: Computational holographic camera with a dielectric metasurface diffuser
Computational holographic camera with a dielectric metasurface diffuser Open
We experimentally demonstrate computational complex optical field imaging by a metasurface diffuser and the speckle-correlation scattering matrix method. Thus, we show that the metasurface diffuser can outperform conventional scattering me…
View article: Wavelength-selective thermal extraction for higher efficiency and power density thermophotovoltaics
Wavelength-selective thermal extraction for higher efficiency and power density thermophotovoltaics Open
Thermophotovoltaics have long been of interest as an energy conversion technology but suffer from low power density and low efficiency. Structured emitters designed to alter the emission spectrum and increase the efficiency are not stable …
View article: Computational complex optical field imaging using a designed metasurface diffuser
Computational complex optical field imaging using a designed metasurface diffuser Open
Various speckle-based computational imaging techniques that exploit the ability of scattering media to transfer hidden information into the speckle pattern have recently been demonstrated. Current implementations suffer from several drawba…
View article: Full-Stokes Imaging Polarimetry Using Dielectric Metasurfaces
Full-Stokes Imaging Polarimetry Using Dielectric Metasurfaces Open
Polarization is a degree of freedom of light carrying important information that is usually absent in intensity and spectral content. Imaging polarimetry is the process of determining the polarization state of light, either partially or fu…
View article: A review of dielectric optical metasurfaces for wavefront control
A review of dielectric optical metasurfaces for wavefront control Open
During the past few years, metasurfaces have been used to demonstrate optical elements and systems with capabilities that surpass those of conventional diffractive optics. Here, we review some of these recent developments, with a focus on …
View article: Angle-Multiplexed Metasurfaces: Encoding Independent Wavefronts in a Single Metasurface under Different Illumination Angles
Angle-Multiplexed Metasurfaces: Encoding Independent Wavefronts in a Single Metasurface under Different Illumination Angles Open
The angular response of thin diffractive optical elements is highly correlated. For example, the angles of incidence and diffraction of a grating are locked through the grating momentum determined by the grating period. Other diffractive d…
View article: Angle-multiplexed metasurfaces: encoding independent wavefronts in a\n single metasurface under different illumination angles
Angle-multiplexed metasurfaces: encoding independent wavefronts in a\n single metasurface under different illumination angles Open
The angular response of thin diffractive optical elements is highly\ncorrelated. For example, the angles of incidence and diffraction of a grating\nare locked through the grating momentum determined by the grating period. Other\ndiffractiv…
View article: Supplement 1: Controlling the sign of chromatic dispersion in diffractive optics with dielectric metasurfaces
Supplement 1: Controlling the sign of chromatic dispersion in diffractive optics with dielectric metasurfaces Open
Contains Sections S1 to S7, and Supplementary Figures Originally published in Optica on 20 June 2017 (optica-4-6-625)
View article: Complex wavefront engineering with disorder-engineered metasurfaces
Complex wavefront engineering with disorder-engineered metasurfaces Open
Recently, complex wavefront engineering with disordered media has demonstrated optical manipulation capabilities beyond those of conventional optics. These capabilities include extended volume, aberration-free focusing and subwavelength fo…
View article: Controlling the sign of chromatic dispersion in diffractive optics with dielectric metasurfaces
Controlling the sign of chromatic dispersion in diffractive optics with dielectric metasurfaces Open
Diffraction gratings disperse light in a rainbow of colors with the opposite order than refractive prisms, a phenomenon known as negative dispersion. While refractive dispersion can be controlled via material refractive index, diffractive …
View article: Controlling the sign of chromatic dispersion in diffractive optics
Controlling the sign of chromatic dispersion in diffractive optics Open
Diffraction gratings disperse light in a rainbow of colors with the opposite order than refractive prisms, a phenomenon known as negative dispersion. While refractive dispersion can be controlled via material refractive index, diffractive …
View article: Highly tunable elastic dielectric metasurface lenses (Laser Photonics Rev. 10(6)/2016)
Highly tunable elastic dielectric metasurface lenses (Laser Photonics Rev. 10(6)/2016) Open
Dielectric metasurfaces are two-dimensional structures composed of nano-scatterers that manipulate phase and polarization of optical waves with subwavelength spatial resolution, enabling ultra-thin components for free-space optics. While h…
View article: Highly tunable elastic dielectric metasurface lenses
Highly tunable elastic dielectric metasurface lenses Open
Dielectric metasurfaces are two‐dimensional structures composed of nano‐scatterers that manipulate the phase and polarization of optical waves with subwavelength spatial resolution, thus enabling ultra‐thin components for free‐space optics…
View article: Orbital Angular Momentum-based Space Division Multiplexing for High-capacity Underwater Optical Communications
Orbital Angular Momentum-based Space Division Multiplexing for High-capacity Underwater Optical Communications Open
To increase system capacity of underwater optical communications, we employ the spatial domain to simultaneously transmit multiple orthogonal spatial beams, each carrying an independent data channel. In this paper, we show up to a 40-Gbit/…