Готові списки джерел за темами / Hybrid quantum devices

Добірка наукової літератури з теми "Hybrid quantum devices"

Автор: Grafiati

Опубліковано: 6 вересня 2023

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Статті в журналах з теми "Hybrid quantum devices"

Wallquist, M., K. Hammerer, P. Rabl, M. Lukin, and P. Zoller. "Hybrid quantum devices and quantum engineering." Physica Scripta T137 (December 2009): 014001. http://dx.doi.org/10.1088/0031-8949/2009/t137/014001.

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Chu, Yiwen, Jonathan D. Pritchard, Hailin Wang, and Martin Weides. "Hybrid quantum devices: Guest editorial." Applied Physics Letters 118, no. 24 (June 14, 2021): 240401. http://dx.doi.org/10.1063/5.0057740.

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De Franceschi, Silvano, Leo Kouwenhoven, Christian Schönenberger, and Wolfgang Wernsdorfer. "Hybrid superconductor–quantum dot devices." Nature Nanotechnology 5, no. 10 (September 19, 2010): 703–11. http://dx.doi.org/10.1038/nnano.2010.173.

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Pierini, S., M. D’Amato, M. Joos, Q. Glorieux, E. Giacobino, E. Lhuillier, C. Couteau, and A. Bramati. "Hybrid devices for quantum nanophotonics." Journal of Physics: Conference Series 1537 (May 2020): 012005. http://dx.doi.org/10.1088/1742-6596/1537/1/012005.

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Kanne, Thomas, Dags Olsteins, Mikelis Marnauza, Alexandros Vekris, Juan Carlos Estrada Saldaña, Sara Loric̀, Rasmus D. Schlosser, et al. "Double Nanowires for Hybrid Quantum Devices." Advanced Functional Materials 32, no. 9 (November 21, 2021): 2107926. http://dx.doi.org/10.1002/adfm.202107926.

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TSU, RAPHAEL. "QUANTUM DEVICES WITH MULTIPOLE-ELECTRODE — HETEROJUNCTIONS HYBRID STRUCTURES." International Journal of High Speed Electronics and Systems 12, no. 04 (December 2002): 1159–71. http://dx.doi.org/10.1142/s0129156402001976.

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Since the introduction of the man-made superlattices and quantum well structures, the field has taken off and developed into Quantum Slab, QS; Quantum Wire, QW; Quantum Dot, QD; and Nanoelectronics. This rapidly expanding field owes its success to the development of epitaxially grown heterojunctions and heterostructures to confine carriers in injection lasers. Meanwhile, the advancement of lithography allows potentials to be applied in nanoscale dimension leading to the possibility of quantum confinement without heterostructures. Actually, quantum states in the inversion layer of field effect transistors, FETs, formed by the application of a large gate voltage appeared several years before the introduction of the superlattices and quantum wells. The quantum Hall effect was first discovered in the Si inversion layer. This chapter, Multipole-Electrode Heterojunction Hybrid Structure, MEHHS, discusses hybrid structures of heterojunctions and applied potentials via multipole-electrodes for a much wider variety of structures for future quantum devices. The technology required to fabricate these electrodes, to some degree, is routinely used in the double-gate devices. Few specific examples are detailed here, hopefully, to stimulate a rapid adoption of a hybrid system for the formation of quasi-discrete states for quantum devices.

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Moumaris, Mohamed, Jean-Michel Bretagne, and Nisen Abuaf. "Nanomedical Devices and Cancer Theranostics." Open Nanomedicine and Nanotechnology Journal 6, no. 1 (April 21, 2020): 1–11. http://dx.doi.org/10.2174/2666150002006010001.

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The current therapies against cancer showed limited success. Nanotechnology is a promising strategy for cancer tracking, diagnosis, and therapy. The hybrid nanotechnology assembled several materials in a multimodal system to develop multifunctional approaches to cancer treatment. The quantum dot and polymer are some of these hybrid nanoparticle platforms. The quantum dot hybrid system possesses photonic and magnetic properties, allowing photothermal therapy and live multimodal imaging of cancer. These quantum dots were used to convey medicines to cancer cells. Hybrid polymer nanoparticles were utilized for the systemic delivery of small interfering RNA to malignant tumors and metastasis. They allowed non-invasive imaging to track in real-time the biodistribution of small interfering RNA in the whole body. They offer an opportunity to treat cancers by specifically silencing target genes. This review highlights the major nanotechnology approaches to effectively treat cancer and metastasis.

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Kurizki, Gershon, Patrice Bertet, Yuimaru Kubo, Klaus Mølmer, David Petrosyan, Peter Rabl, and Jörg Schmiedmayer. "Quantum technologies with hybrid systems." Proceedings of the National Academy of Sciences 112, no. 13 (March 3, 2015): 3866–73. http://dx.doi.org/10.1073/pnas.1419326112.

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An extensively pursued current direction of research in physics aims at the development of practical technologies that exploit the effects of quantum mechanics. As part of this ongoing effort, devices for quantum information processing, secure communication, and high-precision sensing are being implemented with diverse systems, ranging from photons, atoms, and spins to mesoscopic superconducting and nanomechanical structures. Their physical properties make some of these systems better suited than others for specific tasks; thus, photons are well suited for transmitting quantum information, weakly interacting spins can serve as long-lived quantum memories, and superconducting elements can rapidly process information encoded in their quantum states. A central goal of the envisaged quantum technologies is to develop devices that can simultaneously perform several of these tasks, namely, reliably store, process, and transmit quantum information. Hybrid quantum systems composed of different physical components with complementary functionalities may provide precisely such multitasking capabilities. This article reviews some of the driving theoretical ideas and first experimental realizations of hybrid quantum systems and the opportunities and challenges they present and offers a glance at the near- and long-term perspectives of this fascinating and rapidly expanding field.

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Kadim, Akeel M. "Fabrication of Quantum Dots Light Emitting Device by Using CdTe Quantum Dots and Organic Polymer." Journal of Nano Research 50 (November 2017): 48–56. http://dx.doi.org/10.4028/www.scientific.net/jnanor.50.48.

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Cadmium telluride CdTe QDs was prepared by chemical reaction and used to fabricate electroluminescence quantum dot hybrid junction device. QD-LED was fabricated using TPD: PMMA/CdTe/Alq3 device which synthesized by phase segregation method. The hybrid white light emitting devices consists, of three-layers deposited successively on the ITO glass substrate; the first layer was of Tetra-Phenyl Diaminobiphenyl (TPD) polymer mixed with polymethyl methacrylate (PMMA) polymers, while the second layer was 0.5wt% of the (CdTe) QDs for hybrid device, whereas the third layer was Tris (8-hydroxyquinoline) aluminium (Alq3). The optical properties of CdTe QDs were considered by UV-Vis. and photoluminescence (PL) spectrometer. The results show that the prepared QDs were nanocrystalline with defects formation. The Eg calculated from PL were 2.25 eV for Cadmium telluride CdTe QDs was prepared by chemical reaction and used to fabricate electroluminescence quantum dot hybrid junction device. QD-LED was fabricated using TPD: PMMA/CdTe/Alq3device which synthesized by phase segregation method. The hybrid white light emitting devices consists, of three-layers deposited successively on the ITO glass substrate; the first layer was of Tetra-Phenyl Diaminobiphenyl (TPD) polymer mixed with polymethyl methacrylate (PMMA) polymers, while the second layer was 0.5wt% of the (CdTe) QDs for hybrid device, whereas the third layer was Tris (8-hydroxyquinoline) aluminium (Alq3). The optical properties of CdTe QDs were measuredby UV-Vis. and photoluminescence (PL) spectrometer. The results show that the prepared QDs were nanocrystalline with defects formation. The Eg calculated from PL were 2.25 eV for CdTe QDs. The generated white light properties with acceptable efficiency using confinement effect that makes the energy gap larger, thus the direction of the light sites are toward the center of white light color. The organic light emitting device (OLED) wasconsidered by room temperature PL and electroluminescence (EL). Current-voltage (I–V) characteristics indicate that the output current is good compared to the few voltage (6 V) used which gives good results to get a generation of white light. The electroluminescence (EL) spectrum of hybrid deviceshows a wide emission band covering the range from 350 - 700 nm. The emissions causing this white luminescence were identified depending on the chromaticity coordinates (CIE 1931) was found (x=0.32, y=0.33). The correlated color temperature (CCT) was found to be about 5886 K. Fabrication of EL-devices from semiconductors material (CdTe QDs) between two layers organic polymer (TPD) and organic molecules (Alq3) were effective in white light generation. The recombination processes and I-V characteristics gives rises to the output current is good compared to the few voltages used which gives good results to become a generation of light.

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Albrecht, A., G. Koplovitz, A. Retzker, F. Jelezko, S. Yochelis, D. Porath, Y. Nevo, O. Shoseyov, Y. Paltiel, and M. B Plenio. "Self-assembling hybrid diamond–biological quantum devices." New Journal of Physics 16, no. 9 (September 4, 2014): 093002. http://dx.doi.org/10.1088/1367-2630/16/9/093002.

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Дисертації з теми "Hybrid quantum devices"

Bhat, Jerome C. "Electroluminescent hybrid organic/inorganic quantum dot devices." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298766.

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Boonkoom, Thitikorn. "InP quantum dots for hybrid photovoltaic devices." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/17778.

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Significant research efforts have been directed towards the development of solar cells comprising blends of conjugated polymers and II-VI inorganic semiconductors (e.g. CdSe and CdS). Despite recent advances in the power conversion efficiency of such devices, the toxicity of Cd-based materials remains a concern with regard to widespread implementation. This thesis focuses on alternative (lower toxicity) InP nanocrystals for use as electron acceptors and light-harvesting materials in solution-processed polymer solar cells. In this thesis a combination of novel materials design/processing, transient absorption spectroscopy (TAS) and time-resolved photoluminescence spectroscopy (TRPL) is used to study the charge generation in InP:polymer photoactive layers. These studies are complimented by morphological characterisation of the photoactive layers as well as device studies. One aim of this thesis is the elucidation of quantitative structure function relationships that can be used to guide the design of new hybrid nanocomposite materials for photovoltaic devices. As such the data presented in this thesis helps to advance the present day understanding how hybrid solar cells work. The first chapter focuses on the synthesis of InP quantum dots (QDs) using an organometallic reaction. The aim of the work in this chapter was to prepare InP QDs with a size that provides an appropriate energy offset relative to the selected the electron donating polymer, poly(3-hexylthiophene) (P3HT). Detailed studies on the growth of InP QDs and how the reaction conditions affect the particle size are provided. The process of ligand exchange from hexadecylamine (HDA) to pyridine prior to blending with P3HT is also described. The second chapter focuses on charge transfer between the P3HT and the InP QDs which is a key process for achieving efficient photovoltaic device operation. Steady state and time-resolved photoluminescence and absorption spectroscopy were used to better understand the parameters influencing charge separation. After the blending and annealing conditions had been optimised to maximise the yield of photogenerated charges, the P3HT:InP blend was found to provide approximately twice yield of standard P3HT:PCBM blends. In addition, the decay lifetime of the polaron in P3HT:InP was found to be longer than that of P3HT:PCBM, suggesting the P3HT:InP blend is a promising active layer material for hybrid solar cells. The third chapter focuses on the fabrication and characterisation of hybrid solar cells. The fabrication conditions were optimised before carrying out detailed studies on the effect of thermal annealing. Although the device performance improved significantly with increasing annealing temperature, the net photocurrent was found to be low, compared to standard P3HT:PCBM devices, suggesting poor charge transport within the device. Nevertheless, if the charge transport can be improved, P3HT:InP still has potential to provide efficient hybrid solar cells. The last result chapter focuses on preliminary studies of quantum dot based light emitting diodes (QDLEDs) using InP QDs as light emitters. ZnO was used as electron transporting and hole blocking layer and poly(9,9-dioctylfluorene) (PFO) as a host medium and a hole transporting layer. The device structure and the PFO:InP blend composition were investigated to obtain QDLEDs with electroluminescence from the InP quantum dots. The findings suggest that ZnO plays a key role in suppressing the electroluminescence of PFO, most likely due to the hole blocking effect of the ZnO layer. Despite the low efficiencies of the InP-based QDLEDs, the results suggest that InP QDs are potential candidates for emitters in QDLEDs.

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Coe-Sullivan, Seth (Seth Alexander). "Hybrid organic/quantum dot thin film structures and devices." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/33935.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2005.
Includes bibliographical references (p. 157-169).
Organic light emitting diodes have undergone rapid advancement over the course of the past decade. Similarly, quantum dot synthesis has progressed to the point that room temperature highly efficient photoluminescence can be realized. It is the purpose of this work to utilize the beneficial properties of these two material sets in a robust light emitting device. New deposition techniques are necessary to the realization of this goal, enabling QD organic hybrids to be created in a quick and reliable manner compatible with known device fabrication methods. With these techniques, quantum dot light emitting devices are fabricated, measured, and analyzed. The devices are of high efficiency and color saturation, and provide us with a test bed for understanding the interactions between inorganic QDs and organic thin films.
by Seth Coe-Sullivan.
Ph.D.

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Garner, Brett William. "Multifunctional Organic-Inorganic Hybrid Nanophotonic Devices." Thesis, University of North Texas, 2008. https://digital.library.unt.edu/ark:/67531/metadc6108/.

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The emergence of optical applications, such as lasers, fiber optics, and semiconductor based sources and detectors, has created a drive for smaller and more specialized devices. Nanophotonics is an emerging field of study that encompasses the disciplines of physics, engineering, chemistry, biology, applied sciences and biomedical technology. In particular, nanophotonics explores optical processes on a nanoscale. This dissertation presents nanophotonic applications that incorporate various forms of the organic polymer N-isopropylacrylamide (NIPA) with inorganic semiconductors. This includes the material characterization of NIPA, with such techniques as ellipsometry and dynamic light scattering. Two devices were constructed incorporating the NIPA hydrogel with semiconductors. The first device comprises a PNIPAM-CdTe hybrid material. The PNIPAM is a means for the control of distances between CdTe quantum dots encapsulated within the hydrogel. Controlling the distance between the quantum dots allows for the control of resonant energy transfer between neighboring quantum dots. Whereby, providing a means for controlling the temperature dependent red-shifts in photoluminescent peaks and FWHM. Further, enhancement of photoluminescent due to increased scattering in the medium is shown as a function of temperature. The second device incorporates NIPA into a 2D photonic crystal patterned on GaAs. The refractive index change of the NIPA hydrogel as it undergoes its phase change creates a controllable mechanism for adjusting the transmittance of light frequencies through a linear defect in a photonic crystal. The NIPA infiltrated photonic crystal shows greater shifts in the bandwidth per ºC than any liquid crystal methods. This dissertation demonstrates the versatile uses of hydrogel, as a means of control in nanophotonic devices, and will likely lead to development of other hybrid applications. The development of smaller light based applications will facilitate the need to augment the devices with control mechanism and will play an increasing important role in the future.

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Günel, Haci Yusuf [Verfasser]. "Quantum transport in nanowire-based hybrid devices / Haci Yusuf Günel." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2013. http://d-nb.info/1047231794/34.

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Günel, Hacı Yusuf [Verfasser]. "Quantum transport in nanowire-based hybrid devices / Haci Yusuf Günel." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2013. http://nbn-resolving.de/urn:nbn:de:hbz:82-opus-47434.

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Haverinen, H. (Hanna). "Inkjet-printed quantum dot hybrid light-emitting devices—towards display applications." Doctoral thesis, University of Oulu, 2010. http://urn.fi/urn:isbn:9789514261275.

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Abstract This thesis presents a novel method for fabricating quantum dot light-emitting devices (QDLEDs) based on colloidal inorganic light-emitting nanoparticles incorporated into an organic semiconductor matrix. CdSe core/ZnS shell nanoparticles were inkjet-printed in air and sandwiched between organic hole and electron transport layers to produce efficient photon-emissive media. The light-emitting devices fabricated here were tested as individual devices and integrated into a display setting, thus endorsing the capability of this method as a manufacturing approach for full-colour high-definition displays. By choosing inkjet printing as a deposition method for quantum dots, several problems currently inevitable with alternative methods are addressed. First, inkjet printing promises simple patterning due to its drop-on-demand concept, thus overruling a need for complicated and laborious patterning methods. Secondly, manufacturing costs can be reduced significantly by introducing this prudent fabrication step for very expensive nanoparticles. Since there are no prior demonstrations of inkjet printing of electroluminescent quantum dot devices in the literature, this work dives into the basics of inkjet printing of low-viscosity, relatively highly volatile quantum dot inks: piezo driver requirements, jetting parameters, fluid dynamics in the cartridge and on the surface, nanoparticle assembly in a wet droplet and packing of dots on the surface are main concerns in the experimental part. Device performance is likewise discussed and plays an important role in this thesis. Several compositional QDLED structures are described. In addition, different pixel geometries are discussed. The last part of this dissertation deals with the principles of QDLED displays and their basic components: RGB pixels and organic thin-film transistor (OTFT) drivers. Work related to transistors is intertwined with QDLED work; ideas for surface treatments that enhance nanoparticle packing are carried over from self-assembled monolayer (SAM) studies in the OTFT field. Moreover, all the work done in this thesis project was consolidated by one method, atomic force microscopy (AFM), which is discussed throughout the entire thesis.

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Bothner, Daniel [Verfasser], and Reinhold [Akademischer Betreuer] Kleiner. "Micropatterned Superconducting Film Circuitry for Operation in Hybrid Quantum Devices / Daniel Bothner ; Betreuer: Reinhold Kleiner." Tübingen : Universitätsbibliothek Tübingen, 2014. http://d-nb.info/1162897465/34.

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Dabbousi, Bashir O. (Bashir Osama). "Fabrication and characterization of hybrid organic/inorganic electroluminescent devices based on cadmium selenide nanocrystallites (quantum dots)." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/10434.

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Huang, Wei-Jie, and Wei-Jie Huang. "Towards Increased Photovoltaic Energy Generation Efficiency and Reliability: Quantum-Scale Spectral Sensitizers in Thin-Film Hybrid Devices and Microcracking in Monocrystalline Si." Diss., The University of Arizona, 2016. http://hdl.handle.net/10150/623175.

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The present work focuses on two strategies contributing to the development of high efficiency, cost-effective photovoltaic (PV) technology for renewable energy generation: the design of new materials offering enhanced opto-electronic performance and the investigation of material degradation processes and their role in predicting the long-term reliability of PV modules in the field. The first portion of the present work investigates the integration of a novel CdTe-ZnO nanocomposite material as a spectral sensitizer component within a thin-film, hybrid heterojunction (HJ) PV device structure. Quantum-scale semiconductors have the potential to improve PV device performance through enhanced spectral absorption and photocarrier transport. This is realized via appropriate design of the semiconductor nanophase (providing tunable spectral absorption) and its spatial distribution within an electrically active matrix (providing long-range charge transport). Here, CdTe nanocrystals, embedded in an electrically active ZnO matrix, form a nanocomposite (NC) offering control of both spectral absorption and photocarrier transport behavior through the manipulation of nanophase assembly (ensemble effects). A sequential radio- frequency (RF) magnetron sputter deposition technique affords the control of semiconductor nanophase spatial distribution relative to the HJ plane in a hybrid, ZnO-P3HT test structure. Energy conversion performance (current density-voltage (J-V) and external quantum efficiency (EQE) response) was examined as a function of the location of the CdTe nanophase absorber region using both one dimensional solar cell capacitance simulator (SCAPS) and the experimental examination of analogous P3HT-ZnO based hybrid thin films. Enhancement in simulated EQE over a spectral range consistent with the absorption region of the CdTe nanophase (i.e. 400–475 nm) is confirmed in the experimental studies. Moreover, a trend of decreasing quantum efficiency in this spectral range with increasing separation between the CdTe nanophase region and the heterojunction plane is observed. The results are interpreted in terms of carrier scattering/recombination length mitigating the successful transport of carriers across the junction. The second portion of the research addresses the need for robust PV performance in commercial module as a primary contributor to cost-effective operation in both distributed systems and utility scale generation systems. The understanding of physical and chemical mechanisms resulting in the degradation of materials of construction used in PV modules is needed to understand the contribution of these processes to module integrity and performance loss with time under varied application environments. In this context, the second part of present study addresses microcracking in Si–an established degradation process contributing to PV module power loss. The study isolates microcrack propagation in single-crystal Si, and investigates the effect of local environment (temperature, humidity) on microcrack elongation under applied strains. An investigation of microindenter-induced crack evolution with independent variation of both temperature and vapor density was pursued in PV-grade Si wafers. Under static tensile strain conditions, an increase in sub-critical crack elongation with increasing atmospheric water content was observed. To provide further insight into the potential physical and chemical conditions at the microcrack tip, micro-Raman measurements were performed. Preliminary results confirm a spatial variation in the frequency of the primary Si vibrational resonance within the crack-tip region, associated with local stress state, whose magnitude is influenced by environmental conditions during the period of applied static strain. The experimental effort was paired with molecular dynamics (MD) investigations of microcrack evolution in single-crystal Si to furnish additional insight into mechanical contributions to crack elongation. The MD results demonstrate that crack-tip energetics and associated cracking crystal planes and morphology are intimately related to the crack and applied strain orientations with respect to the principal crystallographic axes. The resulting fracture surface energy and the stress-strain response of the Si under these conditions form the basis for preliminary micro-scale peridynamics (PD) simulations of microcrack development under constant applied strain. These efforts were integrated with the experimental results to further inform the mechanisms contributing to this important degradation mode in Si-based photovoltaics.

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Книги з теми "Hybrid quantum devices"

Grove-Rasmussen, K. Hybrid Superconducting Devices Based on Quantum Wires. Edited by A. V. Narlikar. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780198738169.013.16.

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This article reviews the experimental progress in hybrid superconducting devices based on quantum wires, in the form of semiconductor nanowires or carbon nanotubes, which are coupled to superconducting electrodes. It also presents a series of recent examples which illustrate the key phenomena that have allowed detailed investigations of important scenarios, including individual impurities on superconductors and proximitized systems that may hold Majorana quasiparticles. After describing experimental aspects of hybrid devices, including materials and fabrication techniques, the article considers superconducting junctions with normal quantum dots (QDs). It then turns to experiments on superconductivity-enhanced QD spectroscopy, sub-gap states in hybrid QDs, and non-local signals in Cooper pair splitter devices. Finally, it discusses the growth of epitaxial semiconductor–superconductor nanowire hybrids.

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Narlikar, A. V., and Y. Y. Fu, eds. Oxford Handbook of Nanoscience and Technology. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199533060.001.0001.

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This volume highlights engineering and related developments in the field of nanoscience and technology, with a focus on frontal application areas like silicon nanotechnologies, spintronics, quantum dots, carbon nanotubes, and protein-based devices as well as various biomolecular, clinical and medical applications. Topics include: the role of computational sciences in Si nanotechnologies and devices; few-electron quantum-dot spintronics; spintronics with metallic nanowires; Si/SiGe heterostructures in nanoelectronics; nanoionics and its device applications; and molecular electronics based on self-assembled monolayers. The volume also explores the self-assembly strategy of nanomanufacturing of hybrid devices; templated carbon nanotubes and the use of their cavities for nanomaterial synthesis; nanocatalysis; bifunctional nanomaterials for the imaging and treatment of cancer; protein-based nanodevices; bioconjugated quantum dots for tumor molecular imaging and profiling; modulation design of plasmonics for diagnostic and drug screening; theory of hydrogen storage in nanoscale materials; nanolithography using molecular films and processing; and laser applications in nanotechnology. The volume concludes with an analysis of the various risks that arise when using nanomaterials.

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Narlikar, A. V., ed. The Oxford Handbook of Small Superconductors. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780198738169.001.0001.

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This handbook examines cutting-edge developments in research and applications of small or mesoscopic superconductors, offering a glimpse of what might emerge as a giga world of nano superconductors. Contributors, who are eminent frontrunners in the field, share their insights on the current status and great promise of small superconductors in the theoretical, experimental, and technological spheres. They discuss the novel and intriguing features and theoretical underpinnings of the phenomenon of mesoscopic superconductivity, the latest fabrication methods and characterization tools, and the opportunities and challenges associated with technological advances. The book is organized into three parts. Part I deals with developments in basic research of small superconductors, including local-scale spectroscopic studies of vortex organization in such materials, Andreev reflection and related studies in low-dimensional superconducting systems, and research on surface and interface superconductivity. Part II covers the materials aspects of small superconductors, including mesoscopic effects in superconductor–ferromagnet hybrids, micromagnetic measurements on electrochemically grown mesoscopic superconductors, and magnetic flux avalanches in superconducting films with mesoscopic artificial patterns. Part III reviews the current progress in the device technology of small superconductors, focusing on superconducting spintronics and devices, barriers in Josephson junctions, hybrid superconducting devices based on quantum wires, superconducting nanodevices, superconducting quantum bits of information, and the use of nanoSQUIDs in the investigation of small magnetic systems.

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Launay, Jean-Pierre, and Michel Verdaguer. The mastered electron: molecular electronics and spintronics, molecular machines. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198814597.003.0005.

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After a historical account of the evolution which led to the concept of Molecular Electronics, the “Hybrid Molecular Electronics” approach (that is, molecules connected to nanosized metallic electrodes) is discussed. The different types of transport (one-step, two-step with different forms of tunnelling) are described, including the case where the molecule is paramagnetic (Kondo resonance). Several molecular achievements are presented: wires, diodes, memory cells, field-effect transistors, switches, using molecules, but also carbon nanotubes. A spin-off result is the possibility of imaging Molecular Orbitals. The emerging field of molecular spintronics is presented. Besides hybrid devices, examples are given of electronic functionalities using ensembles of molecules, either in solution (logical functions) or in the solid state (memory elements). The relation with the domain of Quantum Computing is presented, including the particular domain of Quantum Hamiltonian Computing. The chapter finishes by an introduction to molecular machines, with the problem of the directional control of their motion.

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Частини книг з теми "Hybrid quantum devices"

Lin, Chien-Chung. "Hybrid Optoelectronic Devices with Colloidal Quantum Dots." In Lecture Notes in Nanoscale Science and Technology, 67–90. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-8148-5_3.

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Ramar, M., R. Manimozhi, C. K. Suman, R. Ahamad, and Ritu Srivastava. "Study of Schottky Barrier Contact in Hybrid CdSe Quantum Dot Organic Solar Cells." In Physics of Semiconductor Devices, 367–70. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-03002-9_92.

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Saini, Ravi, Ashish Mani, M. S. Prasad, and Siddhartha Bhattacharyya. "Toward a framework for implementation of quantum-inspired evolutionary algorithm on noisy intermediate scale quantum devices (IBMQ) for solving knapsack problems." In Hybrid Computational Intelligent Systems, 345–61. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003381167-23.

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Shao, Xue, and Zhiping Yu. "A Hybrid 3D Quantum Mechanical Simulation of FinFETs and Nanowire Devices." In Simulation of Semiconductor Processes and Devices 2004, 21–24. Vienna: Springer Vienna, 2004. http://dx.doi.org/10.1007/978-3-7091-0624-2_5.

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Mehta, Aarti, Shailesh N. Sharma, Kanchan Sharma, Parth Vashishtha, and S. Chand. "Single-Pot Rapid Synthesis of Colloidal Core/Core-Shell Quantum Dots: A Novel Polymer-Nanocrystal Hybrid Material." In Physics of Semiconductor Devices, 315–18. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-03002-9_79.

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Nagan, Tristan, and Ritesh Ajoodha. "Evaluating the Performance of Hybrid Quantum-Classical Convolutional Neural Networks on NISQ Devices." In Proceedings of Sixth International Congress on Information and Communication Technology, 219–26. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2102-4_20.

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TSU, RAPHAEL. "QUANTUM DEVICES WITH MULTIPOLE-ELECTRODE — HETEROJUNCTIONS HYBRID STRUCTURES." In Advanced Semiconductor Heterostructures, 221–33. WORLD SCIENTIFIC, 2003. http://dx.doi.org/10.1142/9789812775542_0011.

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Kachurova, Monika, Tomislav Shuminoski, and Mitko Bogdanoski. "Lattice-Based Cryptography: A Quantum Approach to Secure the IoT Technology." In Building Cyber Resilience against Hybrid Threats. IOS Press, 2022. http://dx.doi.org/10.3233/nicsp220023.

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The security of the Internet of Things (IoT) is a key worry since it deals with personal data that must be dependable and can be used dangerously to control and manipulate device operations. In addition, the data generating process is heterogeneous, and the data is enormous in bulk, requiring complicated management. Quantum IoT, or Quantum Computing and IoT, is a notion of higher security design that utilizes quantum-mechanical principles on IoT security management. On the one hand, IoT is beneficial to us, but it also poses several major security risks, such as data leaks, side-channel attacks, malware, and data authentication. Classical cryptographic techniques, such as the Rivest-Shamir-Adleman (RSA) algorithm, perform admirably on traditional machines. However, quantum computing, which has enormous processing capacity and is more than capable of readily breaking current cryptographic algorithms, is steadily gaining traction. As a result, even before quantum computers are commercially available, we must create post-quantum cryptography algorithms to protect our systems from security breaches. Lattice-based cryptography, as a possible option for the future post-quantum cryptography standard, has the features of strong security guarantees and great efficiency, making it ideal for IoT applications. We discuss the benefits of lattice-based cryptography and its implementations for IoT devices in this study.

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Roychoudhuri, ChandraSekhar. "Do We Manipulate Photons or Diffractive EM Waves to Generate Structured Light?" In Single Photon Manipulation. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.88849.

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In the domain of light emissions, quantum mechanics has been an immensely successful guiding tool for us. In the propagation of light and optical instrument design, Huygens-Fresnel diffraction integral (HFDI) (or its advanced versions) and Maxwell’s wave equation are continuing to be the essential guiding tools for optical scientists and engineers. In fact, most branches of optical science and engineering, like optical instrument design, image processing, Fourier optics, Holography, etc., cannot exist without using the foundational postulates behind the Huygens-Fresnel diffraction integral. Further, the field of structured light is also growing where phases and the state of polarizations are manipulated usually with suitable classical macro-devices to create wave fronts that restructured through light-matter interactions through these devices. Mathematical modeling of generating such complex wave fronts generally follows classical concepts and classical macro tools of physical optics. Some of these complex light beams can impart mechanical angular momentum and spin-like properties to material particles inserted inside these structured beams because of their electromagnetic dipolar properties and/or structural anisotropy. Does that mean these newly structured beams have acquired new quantum properties without being generated through quantum devices and quantum transitions? In this chapter, we bridge the classical and quantum formalism by defining a hybrid photon (HP). HP is a quantum of energy, hν, at the initial moment of emission. It then immediately evolves into a classical time-finite wave packet, still transporting the original energy, hν, with a classical carrier frequency ν (oscillation of the E-vector). This chapter will raise enquiring questions whether all these observed “quantum-like” behaviors are manifestations of the joint properties of interacting material particles with classical EM waves or are causal implications of the existence of propagation of “indivisible light quanta” with exotic properties like spin, angular momentum, etc.

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Rizwan, M. "Introduction, Past and Present Scenario of Solar Cell Materials." In Materials Research Foundations, 1–23. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901410-1.

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Solar cells convert sunlight into electricity directly. It is a reliable, non-toxic and pollution free source of electricity. Since 19th century researchers have been trying to investigate different materials for solar cell devices. Commercially, Si based solar are predominate in this field, however, with passage of time different materials have been reported. Solar cell techniques are based on three different generations. 1st generation is based on Si and 2nd generation includes thin-films of CuInGaSe, GaAs, CdTe and GaInP etc. whereas 3rd generation is based on organic, hybrid perovskites, quantum dot (QD)-sensitizers & dye-sensitizers solar cells. Among all these, the 3rd generation solar cells are the most efficient and more cost effective than 1nd and 2nd generation solar cells. The 2nd generation is less costly but also less efficient compared to 1st generation. 3rd generation faces degradation of the photovoltaic materials which is a major problem. In this chapter different reported materials since 19th century for solar cells are mentioned. The past and present scenarios of solar cells are discussed comprehensively. It is observed that Si-based and multijunction solar cells dominate the market. Although, theoretically it is reported that hybrid perovskites and quantum dot materials for solar cell are the most efficient materials for photovoltaic PV devices. In spite of the high efficiency the stability of organic, hybrid perovskites, QD-sensitizers &dye-sensitizer materials is a big challenge.

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Тези доповідей конференцій з теми "Hybrid quantum devices"

Jöns, Klaus D., Ali W. Elshaari, Iman Esmaeil Zadeh, Andreas Fognini, Michael E. Reimer, Dan Dalacu, Philip J. Poole, and Val Zwiller. "On-chip hybrid quantum circuits (Conference Presentation)." In Quantum Photonic Devices, edited by Mario Agio, Kartik Srinivasan, and Cesare Soci. SPIE, 2017. http://dx.doi.org/10.1117/12.2271680.

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Munro, William J., Andreas Angerer, Thomas Astner, Stefan Putz, Jorg Schmiedmayer, Johannes Majer, and Kae Nemoto. "Hybrid quantum systems in the microwave regime (Conference Presentation)." In Quantum Photonic Devices 2018, edited by Mario Agio, Kartik Srinivasan, and Cesare Soci. SPIE, 2018. http://dx.doi.org/10.1117/12.2320217.

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Alén, Benito, David Fuster, Yolanda González, and Luisa González. "Quantum light emitting device with hybrid pumping (Conference Presentation)." In Quantum Photonic Devices 2018, edited by Mario Agio, Kartik Srinivasan, and Cesare Soci. SPIE, 2018. http://dx.doi.org/10.1117/12.2323608.

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Davanco, Marcelo I. "Hybrid integration for quantum photonics with single emitters (Conference Presentation)." In Quantum Photonic Devices 2018, edited by Mario Agio, Kartik Srinivasan, and Cesare Soci. SPIE, 2018. http://dx.doi.org/10.1117/12.2323846.

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Nayfeh, Osama M., Patrick C. Sims, Brad Liu, Saurabh Sharma, Carlos M. Torres, Lance Lerum, Mohammed Fahem, et al. "Integration of optically active neodymium ions in niobium devices (Nd:Nb): quantum memory for hybrid quantum entangled systems." In Quantum Photonic Devices, edited by Mario Agio, Kartik Srinivasan, and Cesare Soci. SPIE, 2017. http://dx.doi.org/10.1117/12.2273012.

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Li, Y., J. C. Qian, Z. H. Jiang, T. H. Lo, D. Ding, T. Draher, T. Polakovic, et al. "Hybrid-Magnon Quantum Devices: Strategies and Approaches." In 2022 IEEE International Electron Devices Meeting (IEDM). IEEE, 2022. http://dx.doi.org/10.1109/iedm45625.2022.10019460.

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Dou, Letian. "Organic-perovskite hybrid quantum wells for lighting-emitting devices." In Organic and Hybrid Light Emitting Materials and Devices XXV, edited by Tae-Woo Lee, Franky So, and Chihaya Adachi. SPIE, 2021. http://dx.doi.org/10.1117/12.2593780.

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Wilson, Blake, Yuheng Chen, Sabre Kais, Alexander Kildishev, Vladimir Shalaev, and Alexandra Boltasseva. "Empowering Quantum 2.0 Devices and Approaches with Machine Learning." In Quantum 2.0. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/quantum.2022.qtu2a.13.

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We present recent advances and future perspectives in using machine learning for characterization, fabrication, and inverse design for device applications, such as hybrid quantum-classical optimization of nanostructures, hypothesis learning for automated discovery, and pre-characterization binning.

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Chen, Siming, Kejia Zhou, Ziyang Zhang, David T. D. Childs, Jonathan R. Orchard, Richard A. Hogg, Kenneth Kennedy, and Max Hughes. "Hybrid quantum well/quantum dot structures for broad spectral bandwidth devices." In SPIE OPTO, edited by Bernd Witzigmann, Marek Osinski, Fritz Henneberger, and Yasuhiko Arakawa. SPIE, 2012. http://dx.doi.org/10.1117/12.908494.

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Kantner, Markus, Markus Mittnenzweig, and Thomas Koprucki. "A hybrid quantum-classical modeling approach for electrically driven quantum light sources." In Physics and Simulation of Optoelectronic Devices XXVI, edited by Marek Osiński, Yasuhiko Arakawa, and Bernd Witzigmann. SPIE, 2018. http://dx.doi.org/10.1117/12.2289185.

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