Academic literature on the topic 'Titanium niobate'

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Journal articles on the topic "Titanium niobate"

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De Haart, L. G. J., H. J. Boessenkool, and G. Blasse. "Photoelectrochemical properties of titanium niobate (TiNb2O7) and titanium tantalate (TiTa2O7)." Materials Chemistry and Physics 13, no. 1 (1985): 85–90. http://dx.doi.org/10.1016/0254-0584(85)90029-x.

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Jia, Shufan, Qiang Zhou, Fangfei Li, et al. "High-pressure bandgap engineering and amorphization in TiNb2O7 single crystals." CrystEngComm 24, no. 14 (2022): 2660–66. http://dx.doi.org/10.1039/d2ce00168c.

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Titanium niobate (TiNb2O7) possesses excellent photocatalytic properties, dielectric properties, and lithium-insertion capacity. The bandgap of TiNb2O7 has been engineered by high-pressure up to 47.0 GPa. Its bandgap and color are reversible.
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Uceda, Marianna, Hsien-Chieh Chiu, Jigang Zhou, Raynald Gauvin, Karim Zaghib, and George P. Demopoulos. "Nanoscale assembling of graphene oxide with electrophoretic deposition leads to superior percolation network in Li-ion electrodes: TiNb2O7/rGO composite anodes." Nanoscale 12, no. 45 (2020): 23092–104. http://dx.doi.org/10.1039/d0nr06082h.

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Electrophoretic deposition (EPD) is used to promote homogeneous nanoscale assembly of reduced graphene oxide (rGO) and titanium niobate (TiNb<sub>2</sub>O<sub>7</sub>) composite electrodes and minimize material degradation during cycling.
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Takagaki, Atsushi, Takemi Yoshida, Darling Lu, et al. "Titanium Niobate and Titanium Tantalate Nanosheets as Strong Solid Acid Catalysts." Journal of Physical Chemistry B 108, no. 31 (2004): 11549–55. http://dx.doi.org/10.1021/jp049170e.

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Parfenov M. V., Agruzov P. M., Ilichev I. V., Usikova A. A., and Shamrai A. V. "Mode transformation in hybrid waveguides based on lithium niobate forefficient coupling to a standard single mode fiber." Technical Physics 92, no. 1 (2022): 87. http://dx.doi.org/10.21883/tp.2022.01.52538.220-21.

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Topology of a hybrid waveguide device, which performs aneffective transformation of a standard gradient titanium in-diffusedwaveguide mode to a hybrid waveguide mode, is considered. With its help arather large optical mode with size optimal for coupling with standardsingle-mode fibers can be converted to a mode with a smaller size. Two themost perspective materials for hybrid waveguide fabrication were considered:silicon and titanium dioxide. The theoretical analysis has shown thattransformation efficiency of more than 99% is achievable for waveguidedevices based on titanium dioxide with conta
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Mielewczyk-Gryń, Aleksandra, Piotr Winiarz, Sebastian Wachowski, and Maria Gazda. "High-temperature properties of titanium-substituted yttrium niobate." Journal of Materials Research 34, no. 19 (2019): 3312–18. http://dx.doi.org/10.1557/jmr.2019.187.

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Zhang, Lichao, Guangyang Gou, Jiamin Chen, et al. "Miniature Fourier Transform Spectrometer Based on Thin-Film Lithium Niobate." Micromachines 14, no. 2 (2023): 458. http://dx.doi.org/10.3390/mi14020458.

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A miniature Fourier transform spectrometer is proposed using a thin-film lithium niobate electro-optical modulator instead of the conventional modulator made by titanium diffusion in lithium niobate. The modulator was fabricated by a contact lithography process, and its voltage-length and optical waveguide loss were 2.26 V·cm and 1.01 dB/cm, respectively. Based on the wavelength dispersion of the half-wave voltage of the fabricated modulator, the emission spectrum of the input signal was retrieved by Fourier transform processing of the interferogram, and the analysis of the experimental data o
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Kaur, Gurjit, Neha Rani, Yaman Parasher, and Prabhjot Singh. "Design and Implementation of Electro-Optic 2×2 Switch and Optical Gates using MZI." Journal of Optical Communications 41, no. 3 (2020): 269–77. http://dx.doi.org/10.1515/joc-2017-0198.

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AbstractMZI switches are well-known devices for high speed communication applications. A lot of researchers have designed MZI switches by using lithium niobate and potassium niobate material. But the major problem of using these type of material includes high insertion losses and required high switching voltage. So, in this research paper we have designed a 2×2 electro-optic switch using optical waveguide designed with Titanium (Ti) diffused in Strontium barium niobate (SBNO3) material which can operate at wavelength of 1.3 um. Results show that the proposed structure gives better output in te
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Chung, H. P., K. H. Huang, S. L. Yang, et al. "Adiabatic light transfer in titanium diffused lithium niobate waveguides." Optics Express 23, no. 24 (2015): 30641. http://dx.doi.org/10.1364/oe.23.030641.

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Dean, S. W., Erin J. Mercer, and Fathi T. Halaweish. "Biodiesel Synthesis via Recyclable Heterogeneous Catalyst: Titanium Niobate Nanosheet." Journal of ASTM International 7, no. 3 (2010): 102659. http://dx.doi.org/10.1520/jai102659.

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Dissertations / Theses on the topic "Titanium niobate"

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McCoy, Michael Anthony. "Microstructural characterization of titanium : lithium niobate optical waveguides /." The Ohio State University, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487676847118483.

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Gutmann, Emanuel. "Nasschemisch synthetisierte, oxidische Nanomaterialien mit pyroelektrokatalytischen und photokatalytischen Eigenschaften für Anwendungen in der Desinfektionstechnologie." Doctoral thesis, Technische Universitaet Bergakademie Freiberg Universitaetsbibliothek "Georgius Agricola", 2013. http://nbn-resolving.de/urn:nbn:de:bsz:105-qucosa-102099.

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Im Rahmen der vorliegenden Arbeit wurden zwei verschiedene Klassen oxidischer Nanomaterialien nasschemisch synthetisiert und strukturell-morphologisch charakterisiert. Zum einen betrifft dies TiO2-, TiO2/SiO2-, Ag/TiO2- und Pd/TiO2-Sole, welche die photokatalytisch aktive Modifikation Anatas in nanokristalliner Form enthalten und über einen solvothermalen Sol-Gel-Prozess hergestellt werden konnten. Im Hinblick auf eine potentielle Anwendung in der Desinfektionstechnologie und für den Abbau organischer Umweltschadstoffe wurde die photokatalytische Aktivität von Pulvern und Beschichtungen auf Te
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Rejm'ankov'a, Petra. "Etude par diffraction et topographie aux rayons X de monocristaux de LiIO3, de KTiOPO4 et de LiNbO3 sous champ électrique." Université Joseph Fourier (Grenoble), 1995. http://www.theses.fr/1995GRE10179.

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Nous avons etudie par topographie aux rayons x, en utilisant principalement le rayonnement synchrotron, des monocristaux sous champ electrique tels que la forme alpha de l'iodate de lithium (-liio#3), l'orthophosphate potassium titanyl (ktp=ktiopo#4) et le niobate de lithium (linbo#3). Ces etudes ont ete menees dans le but d'elucider les mecanismes de formation des gradients de distorsion sous champ. Nous avons observe sur les topographies les effets qui se produisent sur les cristaux de -liio#3 et ktp lorsqu'un champ electrique est applique suivant l'axe c. Les resultats nouveaux, surtout les
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Rabelo, Renato Cunha. "Spectral slicing filters in titanium diffused lithium niobate (ti:linbo3)." 2008. http://hdl.handle.net/1969.1/ETD-TAMU-3160.

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A tunable guided-wave optical filter that performs spectral slicing at the 1530nm wavelength regime in Ti:LiNbO3 was proposed and fabricated. It is aimed at minimizing crosstalk between channels in dense wavelength division multiplexing (DWDM) optical network applications. The design utilizes a sparse grating allowing the selection of equally spaced channels in the frequency domain. Between selected channels, equally spaced nulls are also produced. The sparse grating is formed by using N coupling regions with different lengths along the direction of propagation of light in the waveguide, gener
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Solmaz, Mehmet E. "Integration of Arsenic Trisulfide and Titanium Diffused Lithium Niobate Waveguides." Thesis, 2010. http://hdl.handle.net/1969.1/ETD-TAMU-2010-05-7864.

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A chalcogenide glass (arsenic-trisulfide, As2S3) optical waveguide is vertically integrated onto titanium-diffused lithium-niobate (Ti:LiNbO3) waveguides to add optical feedback paths and to create more compact optical circuits. Lithium-niobate waveguides are commonly used as building blocks for phase and amplitude modulators in high speed fiber communication networks due to its high electrooptic coefficient and low mode coupling loss to single-mode optical fibers. Although it can easily be modulated using an RF signal to create optical modulators, it lacks the intrinsic trait to create optica
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Suh, Jae Woo. "Selectively Erbium Doped Titanium Diffused Optical Waveguide Amplifiers in Lithium Niobate." 2010. http://hdl.handle.net/1969.1/ETD-TAMU-2010-12-8897.

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Selectively erbium (Er) doped titanium (Ti) in-diffused optical waveguide amplifiers on lithium niobate (LiNbO3) substrate have been fabricated and characterized in the wavelength regime around λ = 1.53μm using counter-directional pumping at λP = 1.48μm. LiNbO3 waveguide amplifiers are desirable for providing gain in optical circuit chips through integration with other optical elements on a single substrate. A prerequisite for achieving useful gain rests on the optimization of overlap between the incident guided optical signal mode distribution and the evolving emission from excited Er ions. T
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Wang, Ying-Ju, and 王映茹. "Analysis of Titanium Indiffused Lithium Niobate Waveguide Bend with a Low-Index Prism." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/26826644775889044184.

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碩士<br>國立臺灣大學<br>光電工程學研究所<br>86<br>Waveguide bends are elemental components in integrated optical devices. Th e conventional bend angles are usually restricted below 1 degree for the losse s of the bend structures grow rapidly with the increase of the bend angle. Thu s, the devices, with smaller bend angles, are longer in length and need very h igh resolution in processing. To reduce the losses of wide-angle waveguide ben ds is then an important subject for study. The purpose of this work is to improve
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Lin, Yi-Chen, and 林奕辰. "Improved Design and Fabrication of Titanium Diffused Lithium Niobate Multimode Interference Power Splitters." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/00784274268725144239.

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碩士<br>國立臺灣大學<br>電子工程學研究所<br>99<br>Two types of improved 1×4 titanium diffused lithium niobate multimode interference (MMI) power splitters are proposed. The first MMI has an interference region of two stages adjusted to enhance an improvement factor. The second one has an interference region with deposited electrodes. The first type MMI power splitter is obtained by an appropriate cutting of the interference region. For performance evaluation of proposed device, an improvement factor is proposed. The two-stage MMI power splitter has a higher transmission of 80.5% and a shorter coupling length
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Ke, Tsung-Ying, and 柯聰盈. "Properties of Nano-Sized Metal Oxides - Piezoelectricity of Sodium Niobate Nanowire and Photocatalysis of Titanium Dioxides." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/11764834411621315264.

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Snyder, John William. "Infrared to ultraviolet quantum frequency conversion in micron-scale periodically poled titanium-diffused lithium niobate waveguides." Thesis, 2020. https://hdl.handle.net/2144/41036.

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The quantum nature of light at the single photon level allows for unique applications that classical physics neither predicts nor describes. Most notably, appropriate conditions may cause the states of photons with indistinguishable properties to become entangled, enabling novel approaches to quantum computation, secure communications, and metrology. Any operational quantum information network transporting entangled-photon states must establish a high-fidelity link between its distant nodes despite the inherent fragility of entangled states. However, the lack of a universal operating wave
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Book chapters on the topic "Titanium niobate"

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Alferness, R. C. "Titanium-Diffused Lithium Niobate Waveguide Devices." In Springer Series in Electronics and Photonics. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-97074-0_4.

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Alferness, R. C. "Titanium-Diffused Lithium Niobate Waveguide Devices." In Springer Series in Electronics and Photonics. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-75824-9_4.

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Kumar, Harsh, Sanjeev Jain, Manish Tiwari, et al. "Optimized 2 × 1 Multiplexer Based on Reversible Logic Using Titanium-indiffused Lithium Niobate Channel Waveguides." In Lecture Notes in Electrical Engineering. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-7395-3_21.

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Tronev, Aleksandr V., Mikhail V. Parfenov, Nikita A. Solomonov, et al. "Optical Loss Control in Lithium Niobate Waveguides via Direct Laser Modification of Covered Titanium Film." In Lecture Notes in Computer Science. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-65729-1_35.

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Van Gosen, Bradley S., Baohong Hou, and Tianrui Song. "Chapter 14 Heavy Mineral Sands Resources in China." In Mineral Deposits of China. Society of Economic Geologists, 2019. http://dx.doi.org/10.5382/sp.22.14.

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Abstract About 200 known coastal deposits of heavy mineral sands (HMS) occur in China, in which considerable mineral resources of titanium, zircon, rare earth elements, and thorium exist in the forms of ilmenite, rutile, zircon, and monazite. More than 20 of these HMS deposits are reported as having been or are actively being mined in China during the past three decades, of which 12 have been reported to have industrial resources. Commercially important deposits occur almost entirely in Cenozoic beach and sand dune deposits, principally along China’s eastern coast (e.g., Shandong Province) and
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Conference papers on the topic "Titanium niobate"

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Bogdanov, Aleksandr, Igor Ilichev, and Aleksandr Shamrai. "Titanium-Indiffused Lithium Niobate Waveguides for Quantum Integrated Optical Circuits Working on the Wavelength of 808 nm." In 2024 International Conference on Electrical Engineering and Photonics (EExPolytech). IEEE, 2024. http://dx.doi.org/10.1109/eexpolytech62224.2024.10755522.

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Alferness, R. C. "Titanium-Diffused Lithium Niobate Waveguide Devices." In Sixth IEEE International Symposium on Applications of Ferroelectrics. IEEE, 1986. http://dx.doi.org/10.1109/isaf.1986.201083.

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Jack, C. A., and A. S. Kanofsky. "Radiation Damage Of Titanium Diffused Lithium Niobate Devices." In OE/FIBERS '89, edited by Leon McCaughan, Mark A. Mentzer, Song-Tsuen Peng, Henry J. Wojtunik, and Ka K. Wong. SPIE, 1990. http://dx.doi.org/10.1117/12.963343.

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Ejzak, Garrett A., and Dennis W. Prather. "Optical gain in erbium lithium niobate titanium diffused waveguides." In SPIE OPTO, edited by Alexey A. Belyanin and Peter M. Smowton. SPIE, 2011. http://dx.doi.org/10.1117/12.875296.

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Solmaz, Mehmet E., and Christi K. Madsen. "Integration of chalcogenide and titanium-diffused lithium-niobate waveguides." In SPIE LASE, edited by Alexis V. Kudryashov, Alan H. Paxton, and Vladimir S. Ilchenko. SPIE, 2010. http://dx.doi.org/10.1117/12.853096.

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Crasto, T., V. Sivan, T. Nguyen, and A. Mitchell. "Titanium free optical waveguides in lithium niobate produced by Etching During Indiffusion of titanium (EDIT)." In 12th European Quantum Electronics Conference CLEO EUROPE/EQEC. IEEE, 2011. http://dx.doi.org/10.1109/cleoe.2011.5942853.

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Höpker, Jan Philipp, Varun B. Verma, Thomas Gerrits, et al. "Integrated superconducting detectors on titanium in-diffused lithium niobate waveguides." In CLEO: QELS_Fundamental Science. OSA, 2020. http://dx.doi.org/10.1364/cleo_qels.2020.ff3d.6.

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Webjörn, Jonas, Fredrik Laurell, and Gunnar Arvidsson. "Periodically domain-inverted lithium niobate channel waveguides for second harmonic generation." In Nonlinear Guided-Wave Phenomena. Optica Publishing Group, 1989. http://dx.doi.org/10.1364/nlgwp.1989.tha2.

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It is known that ferroelectric domain inversion can occur at the positive face when c-cut lithium niobate is treated at temperatures near the Curie-temperature [1]. Domain inversion has also been noted as a problem during waveguide fabrication based on titanium indiffusion, which requires high diffusion temperatures [2,3,4]. The titanium was seen to affect the inversion process.
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Lange, Nina Amelie, Jan Philipp Hopker, Raimund Ricken, et al. "Cryogenic Parametric Down-Conversion in Titanium In-Diffused Lithium Niobate Waveguides." In 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). IEEE, 2021. http://dx.doi.org/10.1109/cleo/europe-eqec52157.2021.9542457.

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Yohanes, Siew Shawn, Deng Jun, Soham Satapamo Saha, Sajid Hussain, Mankei Tsang, and Aaron J. Danner. "Fabrication and characterization of microring resonators in titanium diffused lithium niobate." In 2014 International Conference on Optical MEMS and Nanophotonics (OMN). IEEE, 2014. http://dx.doi.org/10.1109/omn.2014.6924535.

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Reports on the topic "Titanium niobate"

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Cresce, Arthur, Glenn Pastel, and Marshall Schroeder. An Additive Study for Water-in-Salt Electrolyte (WiSE) with Lithium Manganese Oxide (LMO) and Titanium Niobate (TNO) Electrodes. DEVCOM Army Research Laboratory, 2022. http://dx.doi.org/10.21236/ad1189023.

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