Fig. 1: Physics of nano-opto-electro-mechanical systems. a, NOEMS combine electronics, mechanics and optics. Direct and inverse effects between these three degrees of freedom are mediated by ...
Controlling the optical coupling between a micro-resonator and waveguide plays a key role in on-chip photonic circuits. Here, we demonstrate a two-point coupled lithium niobate (LN) racetrack micro-resonator that enables us to electro-optically traverse a full set of the zero-, under-, critical-, and over-coupling regimes with minimized …
In this work, an exceptional room-temperature energy storage performance with Wr ∼ 86 J cm −3, η ∼ 81% is obtained under a moderate electric field of 1.7 MV cm −1 in 0.94 (Bi, …
1. Introduction. Currently, realizing a secure and sustainable energy future is one of our foremost social and scientific challenges [1].Electrochemical energy storage (EES) plays a significant role in our daily life due to its wider and wider application in numerous mobile electronic devices and electric vehicles (EVs) as well as large scale …
Communications, Lidar, and Imaging. Using fundamentals of communication theory, thermodynamics, information theory and propagation theory, this book explains the …
Only materials exhibiting the Pockels effect are called electro-optic materials. Some examples of such materials are lithium niobate (LiNbO 3 ), lithium tantalate (LiTaO 3 ), potassium titanyl phosphate (KTP) and β-barium borate (BBO). All centrosymmetric media exhibit only the Kerr electro-optic effect, also called Kerr effect, where the ...
Materials science. Optics and photonics. The explosive rise of silicon photonics has led to renewed interest in the electro-optic (EO) or Pockels effect due to its …
Graphene-based electrodes exhibit high electrical conductivity and mechanical strength, but demonstrate only moderate capacity due to the charge storage on the surface only. They show little ...
electro chemical energy storage applications such as rechargeable Li-ion batteries . An ultimate goal for advanced energy storage is to develop systems with both high energy density and high -rate capability . Pseudocapacitors represent an intriguing class of materia ls that have the potential to meet both of those
A typical energy dispersive X-ray spectrum (EDX) of calcium doped BaTiO 3 is shown in Fig. 2 indicates the presence of all the composition elements. The peak intensity of Ba and Ca are related to their amount in the compound. The absence of the peak related to oxygen is due to the limited detector sensitivity (gold and chromium for which …
Eco-friendly transparent dielectric ceramics with superior energy storage properties are highly desirable in various transparent energy-storage electronic devices, ranging from …
In summary, we proposed and demonstrated integrated, efficient and low-on-chip-loss electro-optic two-resonator frequency shifters and frequency beam splitters operating at tens of GHz frequency ...
The optical properties have been calculated in the energy range from 0 to 21 eV for both bulk and monolayer MoS 2. The calculated real and imaginary parts, refractive index, and extinction coefficient of the independent particle approximation are plotted in Figures 5 a–d, 6 a–d, and 7 a–d, respectively.
Previous electro-optical measurements [4] that modified electrodes make it possible to enhance local field strength 2/3 times more than the average field strength. Here is the space charge formed ...
Since 2004, graphene has attracted a lot of attention among scientists and engineers. In recent years, graphene, a two dimensional monolayer planar sheet of sp 2-bonded carbon atom has witnessed a revolution in its applications because of its exemplary unique properties in terms of large specific surface area, physicochemical properties, …
The Maxwell stress tensor in whose terms the conservation of linear and angular momentum is expressed 1,2, is at the root of electromagnetic forces in general and optical manipulation in ...
This trend was in accordance with the results of ICT energy gap and DFT calculations, and it showed the effective tuning of structure–property relationship for electro-optics. The facile synthesis of NLO dyes, fine-tuning of their intramolecular charge-transfer, as well as the experimental demonstration in nonlinear optics and optofluidic lasers …
Nevertheless, by employing strong etchants such as hydrofluoric acid (HF), or lithium fluoride-hydrochloric acid mixtures (LiF-HCl), 50 or ammonium hydrogen bifluoride (NH 4 HF 2), 74, 75 or other novel etchants, the …
[13] Gallot G and Grischkowsky D 1999 Electro-optic detection of terahertz radiation J. Opt. Soc. Am. B 16 1204 Go to reference in article Crossref Google Scholar [14] Nahata A, Weling A S and Heinz T F 1996 A wideband coherent terahertz spectroscopy 69
A high charged energy density (3.4 J cm −3) and recoverable energy storage density (2.8 J cm −3) with high efficiency (82%) were achieved under 300 kV cm −1 for NN–0.10BMN. Superior stabilities and underdamped discharge abilities were also achieved for NN–0.15BMN with a slightly smaller recoverable energy storage density …
spectral regions. Here we consider the electromagnetic energy density propagated on and dissipated at real metal-dielectric surfaces, including the important SPP, the sur-face plasmon-polariton wave guided by the interface. We show how the stored energy" oscillates over an optical cycle between the plasmonic structure and the propagating
Among various dielectric materials, polymers have remarkable advantages for energy storage, such as superior breakdown strength (E b) for high-voltage …
InfoMat is an open access materials science and technology journal covering novel electrical, optical & magnetic materials with applications in information technology. Funding information: Fundamental Research Funds for the Central Universities, Grant/Award Numbers: 31020190QD010, 3102019PY004, 3102019JC004; Ministry of …
Artificial opal photonic crystals and inverse opal structures – fundamentals and applications from optics to energy storage E. Armstrong and C. O''Dwyer, J. Mater em. C, 2015, 3, 6109 DOI: 10.1039/C5TC01083G This article is ...
Carbon-derived nanomaterials have been considered as emergent materials owing to their exceptional chemical and physical characteristics such as high thermal and electrical conductivity, huge mechanical potency, and optical possessions, extending[23], [24], .
In this study, we employed a combination of strategies to enhance the optical and electrical properties of ceramics. Specifically, the breakdown field strength of potassium sodium niobate (KNN) was increased by introducing Bi (Sr 0.5 Zr 0.5 )O 3 …