Results 41 to 50 of about 67,247 (341)
Metasurface-enabled on-chip multiplexed diffractive neural networks in the visible [PDF]
Light: Science & Applications, 2021 Replacing electrons with photons is a compelling route toward high-speed, massively parallel, and low-power artificial intelligence computing. Recently, diffractive networks composed of phase surfaces were trained to perform machine learning tasks ...
Xuhao Luo +8 more
semanticscholar +1 more source
Conformable Holographic Metasurfaces [PDF]
Scientific Reports, 2017 AbstractMetasurface holograms are typically fabricated on rigid substrates. Here we experimentally demonstrate broadband, flexible, conformable, helicity multiplexed metasurface holograms operating in the visible range, offering increased potential for real life out-of-the-lab applications.
James Burch +3 more
openaire +6 more sources
Metasurfaces for quantum photonics [PDF]
Nature Photonics, 2021 Rapid progress in the development of metasurfaces allowed to replace bulky optical assemblies with thin nanostructured films, often called metasurfaces, opening a broad range of novel and superior applications to the generation, manipulation, and detection of light in classical optics.
Alexander S. Solntsev +2 more
openaire +4 more sources
Design of a wideband random phase gradient metasurface by using line-shaped element
Journal of Advanced Dielectrics, 2020 Based on phase randomization theory, a method for manufacturing metasurface with diffuse scatter performance is proposed. By using the line-shaped elements with random rotate angles and random distributing positions, the metasurface can achieve good ...
Jiangniu Wu +5 more
doaj +1 more source
OSA Quantum 2.0 Conference, 2020 We introduce quantum metasurfaces: a new interface for quantum light-matter interaction which is realized by atomic arrays, and enables generation of atom-photon entanglement and many-body photonic states suitable for quantum information processing.
Bekenstein, Rivka +5 more
openaire +2 more sources
The Design of Dual Band Stacked Metasurfaces Using Integral Equations [PDF]
, 2021 An integral equation-based approach for the design of dual band stacked metasurfaces which are invariant in one-dimension is presented. The stacked metasurface will generate collimated beams at desired angles in each band upon reflection. The conductor-backed stacked metasurface consists of two metasurfaces (a patterned metallic cladding supported by a
arxiv +1 more source
Cascaded Channel Estimation for Large Intelligent Metasurface Assisted Massive MIMO [PDF]
IEEE Wireless Communications Letters, 2019 In this letter, we consider the problem of channel estimation for large intelligent metasurface (LIM) assisted massive multiple-input multiple-output (MIMO) systems. The main challenge of this problem is that the LIM integrated with a large number of low-
Zhen-Qing He, Xiaojun Yuan
semanticscholar +1 more source
Optical secret sharing with cascaded metasurface holography [PDF]
Science Advances, 2021 The secret of a holographic image can be shared across two closely stacked metasurface holograms. Secret sharing is a well-established cryptographic primitive for storing highly sensitive information like encryption keys for encoded data.
P. Georgi +6 more
semanticscholar +1 more source
A true metasurface antenna [PDF]
2016 IEEE International Symposium on Antennas and Propagation (APSURSI), 2016 AbstractWe present a true metasurface antenna based on electrically-small resonators. The resonators are placed on a flat surface and connected to one feed point using corporate feed. Unlike conventional array antennas where the distance between adjacent antennas is half wavelength to reduce mutual coupling between adjacent antennas, here the distance ...
Omar M. Ramahi +2 more
openaire +3 more sources
Frequency coding metasurface for multiple directions manipulation of terahertz energy radiation
AIP Advances, 2019 A multifunctional frequency coding metasurface is proposed in terahertz frequency band. Different from the previous coding metasurface with a fixed phase difference of the neighbor coding unit cells in the whole working frequency band, the proposed ...
Shao-He Li, Jiu-Sheng Li
doaj +1 more source