Results 1 to 10 of about 28,106 (229)

Channel Waveguides in Lithium Niobate and Lithium Tantalate [PDF]

Molecules, 2020
Low-loss photonic waveguides in lithium niobate offer versatile functionality as nonlinear frequency converters, switches, and modulators for integrated optics.
Yi Lu, Benjamin Johnston, Peter Dekker, Michael J. Withford, Judith M. Dawes   +4 more
doaj   +3 more sources

Lithium Niobate – Enhanced Photoacoustic Spectroscopy

Photoacoustics
In this work, we report on the novel employment of lithium niobate tuning forks as acoustic transducers in photoacoustic spectroscopy for gas sensing. The lithium niobate tuning fork (LiNTF) exhibits a fundamental resonance frequency of 39196.6 Hz and a ...
Aldo F.P. Cantatore, Giansergio Menduni, Andrea Zifarelli, Pietro Patimisco, Miguel Gonzalez, Huseyin R. Seren, Vincenzo Spagnolo, Angelo Sampaolo   +7 more
doaj   +4 more sources

MoTe₂ Photodetector for Integrated Lithium Niobate Photonics [PDF]

Nanomaterials
The integration of a photodetector that converts optical signals into electrical signals is essential for scalable integrated lithium niobate photonics. Two-dimensional materials provide a potential high-efficiency on-chip detection capability.
Qiaonan Dong, Xinxing Sun, Lang Gao, Yong Zheng, Rongbo Wu, Ya Cheng   +5 more
doaj   +2 more sources

Epitaxy of LiNbO₃: Historical Challenges and Recent Success

Crystals, 2021
High-quality epitaxial growth of thin film lithium niobate (LiNbO3) is highly desirable for optical and acoustic device applications. Despite decades of research, current state-of-the-art epitaxial techniques are limited by either the material quality or
Bill Zivasatienraj, M. Brooks Tellekamp, W. Alan Doolittle   +2 more
doaj   +1 more source

Towards active electro-optic lithium niobate metasurfaces [PDF]

EPJ Web of Conferences, 2020
We present the design and fabrication advances on active lithium niobate metasurfaces. We determine by numerical calculations a metasurface design with electro-magnetic resonances in the visible and near-infrared, by taking into account the constraints ...
Timpu Flavia, Weigand Helena, Kaufmann Fabian, Richter Felix U., Vogler-Neuling Viola-Valentina, Karvounis Artemios, Grange Rachel   +6 more
doaj   +1 more source

Antibacterial properties of lithium niobate crystal substrates

International Journal of Optomechatronics, 2023
The bactericidal properties of chemically patterned lithium niobate substrates under a super-bandgap UV light source is established. UV irradiation of lithium niobate surfaces inoculated with bacteria leads to antimicrobial activity compared to a glass ...
Rusul M. Al-Shammari, Ahmed Kassem, Nebras Al-attar, Michele Manzo, Katia Gallo, Paul Whyte, James H. Rice, Brian J. Rodriguez   +7 more
doaj   +1 more source

Lithium Niobate Meta-Optics

ACS Photonics, 2022
The rapid development of optical metasurfaces, 2D ensembles of engineered nanostructures, is presently underpinning a steady drive toward the miniaturization of many optical functionalities and devices. The list of material platforms for optical metasurfaces is rapidly expanding as, over the past few years, we have witnessed a surge in establishing ...
Fedotova, Anna, Carletti, Luca, Zilli, Attilio, Setzpfandt, Frank, Staude, Isabelle, Toma, Andrea, Finazzi, Marco, De Angelis, Costantino, Pertsch, Thomas, Neshev, Dragomir N., Celebrano, Michele   +10 more
openaire   +1 more source

Electro-optic lithium niobate metasurfaces [PDF]

Science China Physics, Mechanics & Astronomy, 2021
Many applications of metasurfaces require an ability to dynamically change their properties in time domain. Electrical tuning techniques are of particular interest, since they pave a way to on-chip integration of metasurfaces with optoelectronic devices.
Gao, Bofeng, Ren, Mengxin, Wu, Wei, Cai, Wei, Xu, Jingjun   +4 more
openaire   +2 more sources

Heterogeneously Integrated Photonic Chip on Lithium Niobate Thin-Film Waveguide

Crystals, 2021
Lithium niobate thin film represents as an ideal material substrate for quantum photonics due to its strong electro-optic effect and high-speed modulation capability.
Xing Wei, Samuel Kesse
doaj   +1 more source

COMPARATIVE ANALYSIS OF THE PROPERTIES OF SODIUM NIOBATE AND SODIUM – LITHIUM NIOBATE CERAMICS

Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2021
The authors studied the effect of the temperature of sodium niobate synthesis on the state of polarization in ceramic samples of pure sodium niobate and modified with lithium.
O.V. Malyshkina, K.V. Patsuev, A.I. Ivanova, M. Ali   +3 more
doaj   +1 more source