Results 61 to 70 of about 124,016 (297)

Double Helical Plasmonic Antennas

open access: yesAdvanced Functional Materials, EarlyView.
Plasmonic double helical antennas funnel circularly polarized light to the nanoscale, offering strong chiroptical interaction and directional light emission. Extending a single helix design tool, this study combines numerical modeling with experimental validation, revealing large, broadband dissymmetry factors in the visible range.
Aleksei Tsarapkin   +7 more
wiley   +1 more source

On-chip optical parity checker using silicon photonic integrated circuits

open access: yesNanophotonics, 2018
The optical parity checker plays an important role in error detection and correction for high-speed, large-capacity, complex digital optical communication networks, which can be employed to detect and correct the error bits by using a specific coding ...
Liu Zilong   +9 more
doaj   +1 more source

Novel applications possibilities for phase-change materials and devices [PDF]

open access: yes, 2016
Paper presented at European\Phase Change and Ovonics Symposium 2013, 2013-09-08, 2013-09-10, BerlinPhase-change materials and devices are most widely known for their use in optical and electrical non-volatile memory applications.
Au, YY   +8 more
core  

Additively manufacturable micro-mechanical logic gates. [PDF]

open access: yes, 2019
Early examples of computers were almost exclusively based on mechanical devices. Although electronic computers became dominant in the past 60 years, recent advancements in three-dimensional micro-additive manufacturing technology provide new fabrication ...
Chizari, Samira   +6 more
core   +2 more sources

Photoswitching Conduction in Framework Materials

open access: yesAdvanced Functional Materials, EarlyView.
This mini‐review summarizes recent advances in state‐of‐the‐art proton and electron conduction in framework materials that can be remotely and reversibly switched on and off by light. It discusses the various photoswitching conduction mechanisms and the strategies employed to enhance photoswitched conductivity.
Helmy Pacheco Hernandez   +4 more
wiley   +1 more source

Overview of the key technology of photonic firewall at high speed

open access: yesTongxin xuebao, 2019
In order to maintain the security of optical network,it is urgent to research and deploy photonic firewall which can effectively process high-speed optical signals to replace existing electronic firewall which consumes high energy.After a brief review of
Shanguo HUANG   +3 more
doaj   +2 more sources

All-optical logic devices based on black arsenic–phosphorus with strong nonlinear optical response and high stability

open access: yesOpto-Electronic Advances, 2022
The Kerr nonlinearity in two-dimensional (2D) nanomaterials is emerging as an appealing and intriguing research area due to their prominent light processing, modulation, and manipulation abilities. In this contribution, 2D black arsenic-phosphorus (B-AsP)
Leiming Wu   +12 more
doaj   +1 more source

High‐Spatiotemporal‐Resolution Transparent Thermoelectric Temperature Sensor Arrays Reveal Temperature‐Dependent Windows for Reversible Photothermal Neuromodulation

open access: yesAdvanced Functional Materials, EarlyView.
Thermoelectric temperature sensors are developed that directly measure heat changes during optical‐based neural stimulation with millisecond precision. The sensors reveal the temperature windows for safe reversible neural modulation: 1.4–4.5 °C enables reversible neural inhibition, while temperatures above 6.1 °C cause permanent thermal damage.
Junhee Lee   +9 more
wiley   +1 more source

Experimental demonstration of an optical Feynman gate for reversible logic operation using silicon micro-ring resonators

open access: yesNanophotonics, 2018
Currently, the reversible logic circuit is a popular research topic in the field of information processing as it is a most effective approach to minimize power consumption, which can achieve the one-to-one mapping function to identify the input signals ...
Tian Yonghui   +10 more
doaj   +1 more source

High accuracy computation with linear analog optical systems: a critical study [PDF]

open access: yes, 1986
High accuracy optical processors based on the algorithm of digital multiplication by analog convolution (DMAC) are studied for ultimate performance limitations.
Athale, Ravindra A., Psaltis, Demetri
core   +1 more source

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