IEEE Organizations related to Optical Cloaking

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No organizations are currently tagged "Optical Cloaking"



Conferences related to Optical Cloaking

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2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting

The joint meeting is intended to provide an international forum for the exchange of information on state of the art research in the area of antennas and propagation, electromagnetic engineering and radio science


2019 13th European Conference on Antennas and Propagation (EuCAP)

The conference provides an overview of the state of the art developments and innovations in Antennas, Propagation, and Measurements, highlighting the latest requirements for future applications.


2019 Conference on Microwave Techniques (COMITE)

The scope of the conference is the presentation of the latest development in the area ofmicrowave circuits and systems, antenna design and modelling, communication systems,microwave circuits and systems, signal propagation, EMC and related disciplines.


2019 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (CSQRWC)

As one of the most important annual academic conferences in communication science andtechnology for Chinese not only Cross Strait Quad -Region but also all over the world.


2019 IEEE Photonics Conference (IPC)

The IEEE Photonics Conference, previously known as the IEEE LEOS Annual Meeting, offers technical presentations by the world’s leading scientists and engineers in the areas of lasers, optoelectronics, optical fiber networks, and associated lightwave technologies and applications. It also features compelling plenary talks on the industry’s most important issues, weekend events aimed at students and young photonics professionals, and a manufacturer’s exhibition.


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Periodicals related to Optical Cloaking

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No periodicals are currently tagged "Optical Cloaking"


Most published Xplore authors for Optical Cloaking

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Xplore Articles related to Optical Cloaking

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Polarization-independent broadband bidirectional optical cloaking using a new type of inverse scattering approach

2017 19th International Conference on Transparent Optical Networks (ICTON), 2017

Since the advent of transformation optics a decade ago [1], the ability to achieve optical cloaking has become a matter of practical realization. However, so far extreme material requirements and large device areas have significantly posed an obstacle to realize compact cloaking schemes that are fully functional. Here, by taking a different approach and by following our recently developed general ...


Broadband directional cloaking using graded index structures

2014 16th International Conference on Transparent Optical Networks (ICTON), 2014

We propose broadband two-dimensional cloaking designs based on isotropic and all dielectric lossless materials. The photonic structures are created by implementing artificially generated graded index (GRIN) media. The desired refractive index distribution is achieved with effective medium theory. Directional graded index cloaking structure shows unique characteristics such as low-loss, large bandwidth and scalable to other frequency regions in the electromagnetic ...


Fundamental passivity and causality bounds on metamaterial cloaking

2013 US National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM), 2013

Summary form only given. In the last decade, metamaterials and plasmonics have been introduced and developed in the electromagnetic community, bringing new exciting findings and potential applications of this technology in a variety of applied fields. The application of these new ideas to the hundred-year-old field of electromagnetic scattering has led to the discovery of anomalous and, often, counterintuitive effects. ...



Educational Resources on Optical Cloaking

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IEEE.tv Videos

Multi-Level Optimization for Large Fan-In Optical Logic Circuits - Takumi Egawa - ICRC 2018
IMS 2011 Microapps - Ultra Low Phase Noise Measurement Technique Using Innovative Optical Delay Lines
On-chip Passive Photonic Reservoir Computing with Integrated Optical Readout - IEEE Rebooting Computing 2017
An Energy-efficient Reconfigurable Nanophotonic Computing Architecture Design: Optical Lookup Table - IEEE Rebooting Computing 2017
Multi-Level Optical Weights in Integrated Circuits - IEEE Rebooting Computing 2017
Spatial-Spectral Materials for High Performance Optical Processing - IEEE Rebooting Computing 2017
Demonstration of a Coherent Tunable Amplifier for All-Optical Ising Machines: IEEE Rebooting Computing 2017
Towards On-Chip Optical FFTs for Convolutional Neural Networks - IEEE Rebooting Computing 2017
An Integrated Optical Parallel Multiplier Exploiting Approximate Binary Logarithms - Jun Shiomi - ICRC 2018
Scalable and Reconfigurable Tap-Delay-Line for Multichannel Equalization - Ari Willner - Closing Ceremony, IPC 2018
An IEEE IPC Special Session with Kasia Balakier of UCL
Multiplication with Fourier Optics Simulating 16-bit Modular Multiplication - Abigail Timmel - ICRC 2018
IEEE Magnetics Distinguished Lecture - Mitsuteru Inoue
Optically Interconnected Extreme Scale Computing - Keren Bergman Plenary from the 2016 IEEE Photonics Conference
Q&A with Bruce Kraemer: IEEE Rebooting Computing Podcast, Episode 24
An Optical Co-Processor for Large-Scale Machine Learning - Laurent Daudet at INC 2019
IEEE IPC Special Session with Domanic Lavery of UCL
Phase Retrieval with Application to Optical Imaging
2013 IEEE Alexander Graham Bell Medal
Ultrafast Spintronics: Advanced Nanodevices - Jeff Bokor at INC 2019

IEEE-USA E-Books

  • Polarization-independent broadband bidirectional optical cloaking using a new type of inverse scattering approach

    Since the advent of transformation optics a decade ago [1], the ability to achieve optical cloaking has become a matter of practical realization. However, so far extreme material requirements and large device areas have significantly posed an obstacle to realize compact cloaking schemes that are fully functional. Here, by taking a different approach and by following our recently developed general theorem to control the scattering behaviour of an arbitrary object on a specific demand [2], we show that nearly perfect bidirectional optical cloaking effect can be generated for any type of object with a given shape and size. Contrary to previous approaches, we reveal that such a method is always able to produce local refractive indices larger than one and that neither gain nor lossy materials are required. Furthermore, by means of numerical calculations, we demonstrate a highly tunable broad operational bandwidth of 550 nm (covering 650-1200 nm interval) and an angular aperture of 36° for both directions and polarizations. With these unprecedented features, we expect that the present work will hold a great potential to enable a new class of optical cloaking structures that will find applications particularly in communication systems, defence industry and in other related fields.

  • Broadband directional cloaking using graded index structures

    We propose broadband two-dimensional cloaking designs based on isotropic and all dielectric lossless materials. The photonic structures are created by implementing artificially generated graded index (GRIN) media. The desired refractive index distribution is achieved with effective medium theory. Directional graded index cloaking structure shows unique characteristics such as low-loss, large bandwidth and scalable to other frequency regions in the electromagnetic spectrum. We numerically demonstrate feasibility of hiding arbitrary shaped large objects from the incident light. The unique features of GRIN medium tailoring the light propagation allow designing advanced configurations that enable cloaking under the oblique incidence cases.

  • Fundamental passivity and causality bounds on metamaterial cloaking

    Summary form only given. In the last decade, metamaterials and plasmonics have been introduced and developed in the electromagnetic community, bringing new exciting findings and potential applications of this technology in a variety of applied fields. The application of these new ideas to the hundred-year-old field of electromagnetic scattering has led to the discovery of anomalous and, often, counterintuitive effects. Most notably, huge interest has been devoted by the broad scientific community to the realization of a long-sought invisibility, or cloaking, device and a plethora of different ideas have been proposed. Now, after some years from the first theoretical works on cloaking, and some proof-of-concept realization of these concepts, researchers are realizing that bandwidth is the fundamental issue limiting the practical applicability of this technology, and a better understanding of these limitations is of vital importance. Several authors have pointed out that, in general, broadband invisibility may pose serious problems in terms of causality. Still, most of the available papers on cloaking, even some of the most recent ones, present scattering reduction at a single frequency, without analyzing the frequency dependence of this phenomenon.Some attempts to derive bandwidth limitations on cloaking have been recently proposed, using delay- bandwidth considerations. These results are however limited to certain classes of invisibility devices and appear too restrictive in the general sense. Here we propose a new approach to establish fundamental and completely general bounds on the bandwidth of cloaking, borrowing concepts from microwave engineering. In particular, we apply the rigorous Bode-Fano theory of broadband matching to the reflection and scattering coefficients of planar and spherical scatterers, in both the quasi-static and dynamic regimes. This allows us to derive, for the first time, very general physical bounds valid for any passive cloaking scheme. These theoretical limitations are ultimately deduced from passivity and causality and only depend on the characteristics of the scatterer to be hidden. Therefore, given the object to be cloaked, our approach allows to check the realizability of given cloaking specifications and can calculate the optimal tradeoff between available bandwidth and total scattering reduction. We believe that these results are of fundamental scientific significance and represent a pivotal achievement in the general area of metamaterials and more specifically in understanding the realistic applicability of cloaking devices to realworld applications, such as camouflaging, non-invasive sensing and energy applications.



Standards related to Optical Cloaking

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Jobs related to Optical Cloaking

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