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Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'Quantum electronics.'
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Journal articles on the topic "Quantum electronics":
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Mukhammadova, Dilafruz Ahmadovna. "The Role Of Quantum Electronics In Alternative Energy." American Journal of Applied sciences 03, no. 01 (January 30, 2021): 69–78. http://dx.doi.org/10.37547/tajas/volume03issue01-12.
The article deals with Quantum electronics, as a field of physics that studies methods of amplification and generation of electromagnetic radiation based on the phenomenon of stimulated radiation in nonequilibrium quantum systems, as well as the properties of amplifiers and generators obtained in this way and their application, a description of the structure of the most important lasers is given, physical foundations of quantum electronics, which are reduced primarily to the application of Einstein's theory of radiation to thermodynamically nonequilibrium systems with discrete energy levels. The article is intended for undergraduates of the Department of Physics, Radio Engineering, who have interests in the field of research and applications of laser radiation, and is aimed at giving them the minimum necessary for that initial information on quantum electronics.
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Weinbub, Josef, and Robert Kosik. "Computational perspective on recent advances in quantum electronics: from electron quantum optics to nanoelectronic devices and systems." Journal of Physics: Condensed Matter 34, no. 16 (February 22, 2022): 163001. http://dx.doi.org/10.1088/1361-648x/ac49c6.
Abstract Quantum electronics has significantly evolved over the last decades. Where initially the clear focus was on light–matter interactions, nowadays approaches based on the electron’s wave nature have solidified themselves as additional focus areas. This development is largely driven by continuous advances in electron quantum optics, electron based quantum information processing, electronic materials, and nanoelectronic devices and systems. The pace of research in all of these areas is astonishing and is accompanied by substantial theoretical and experimental advancements. What is particularly exciting is the fact that the computational methods, together with broadly available large-scale computing resources, have matured to such a degree so as to be essential enabling technologies themselves. These methods allow to predict, analyze, and design not only individual physical processes but also entire devices and systems, which would otherwise be very challenging or sometimes even out of reach with conventional experimental capabilities. This review is thus a testament to the increasingly towering importance of computational methods for advancing the expanding field of quantum electronics. To that end, computational aspects of a representative selection of recent research in quantum electronics are highlighted where a major focus is on the electron’s wave nature. By categorizing the research into concrete technological applications, researchers and engineers will be able to use this review as a source for inspiration regarding problem-specific computational methods.
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Zwanenburg, Floris A., Andrew S. Dzurak, Andrea Morello, Michelle Y. Simmons, Lloyd C. L. Hollenberg, Gerhard Klimeck, Sven Rogge, Susan N. Coppersmith, and Mark A. Eriksson. "Silicon quantum electronics." Reviews of Modern Physics 85, no. 3 (July 10, 2013): 961–1019. http://dx.doi.org/10.1103/revmodphys.85.961.
Dynamic quantum computing can support quantum error correction circuits to build a large general-purpose quantum computer, which requires electronic instruments to perform the closed-loop operation of readout, processing, and control within 1% of the qubit coherence time. In this paper, we present low-latency readout electronics for dynamic superconducting quantum computing. The readout electronics use a low-latency analog-to-digital converter to capture analog signals, a field-programmable gate array (FPGA) to process digital signals, and the general I/O resources of the FPGA to forward the readout results. Running an algorithm based on the design of multichannel parallelism and single instruction multiple data on an FPGA, the readout electronics achieve a readout latency of 40 ns from the last sample input to the readout valid output. The feedback data link for cross-instrument communication shows a communication latency of 48 ns when 16 bits of data are transmitted over a 2 m-length cable using a homologous clock to drive the transceiver. With codeword-based triggering mechanisms, readout electronics can be used in dynamic superconducting quantum computing.
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Liu, Mengxia, Nuri Yazdani, Maksym Yarema, Maximilian Jansen, Vanessa Wood, and Edward H. Sargent. "Colloidal quantum dot electronics." Nature Electronics 4, no. 8 (August 2021): 548–58. http://dx.doi.org/10.1038/s41928-021-00632-7.
Dragoman, M., and D. Dragoman. "Graphene-based quantum electronics." Progress in Quantum Electronics 33, no. 6 (November 2009): 165–214. http://dx.doi.org/10.1016/j.pquantelec.2009.08.001.
Dissertations / Theses on the topic "Quantum electronics":
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Li, Elise Yu-Tzu. "Electronic structure and quantum conductance of molecular and nano electronics." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/65270.
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemistry, 2011. Cataloged from PDF version of thesis. Includes bibliographical references (p. 129-137). This thesis is dedicated to the application of a large-scale first-principles approach to study the electronic structure and quantum conductance of realistic nanomaterials. Three systems are studied using Landauer formalism, Green's function technique and maximally localized Wannier functions. The main focus of this thesis lies on clarifying the effect of chemical modifications on electron transport at the nanoscale, as well as on predicting and designing new type of molecular and nanoelectronic devices. In the first study, we suggest and investigate a quantum interference effect in the porphyrin family molecules. We show that the transmission through a porphyrin molecule at or near the Fermi level varies by orders of magnitude following hydrogen tautomerization. The switching behavior identified in porphyrins implies new application directions in single molecular devices and molecular-size memory elements. Moving on from single molecules to a larger scale, we study the effect of chemical functionalizations to the transport properties of carbon nanotubes. We propose several covalent functionalization schemes for carbon nanotubes which display switchable on/off conductance in metallic tubes. The switching action is achieved by reversible control of bond-cleavage chemistry in [1+2] cycloadditions, via the 8p 3 8s p 2 rehybridization it induces; this leads to remarkable changes of conductance even at very low degrees of functionalization. Several strategies for real-time control on the conductance of carbon nanotubes are then proposed. Such designer functional groups would allow for the first time direct control of the electrical properties of metallic carbon nanotubes, with extensive applications in nanoscale devices. In the last part of the thesis we address the issue of low electrical conductivity observed in carbon nanotube networks. We characterize intertube tunneling between carbon nanotube junctions with or without a covalent linker, and explore the possibility of improving intertube coupling and enhance electrical tunneling by transition metal adsorptions on CNT surfaces. The strong hybridization between transition metal d orbitals with the CNT [pi] orbitals serves as an excellent electrical bridge for a broken carbon nanotube junction. The binding and coupling between a transition metal atom and sandwiching nanotubes can be even stronger in case of nitrogendoped carbon nanotubes. Our studies suggest a more effective strategy than the current cross-linking methods used in carbon nanotube networks. by Elise Yu-Tzu Li. Ph.D.
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Midgley, Stuart. "Quantum waveguide theory." University of Western Australia. School of Physics, 2003. http://theses.library.uwa.edu.au/adt-WU2004.0036.
The study of nano-electronic devices is fundamental to the advancement of the semiconductor industry. As electronic devices become increasingly smaller, they will eventually move into a regime where the classical nature of the electrons no longer applies. As the quantum nature of the electrons becomes increasingly important, classical or semiclassical theories and methods will no longer serve their purpose. For example, the simplest non-classical effect that will occur is the tunnelling of electrons through the potential barriers that form wires and transistors. This results in an increase in noise and a reduction in the device?s ability to function correctly. Other quantum effects include coulomb blockade, resonant tunnelling, interference and diffraction, coulomb drag, resonant blockade and the list goes on. This thesis develops both a theoretical model and computational method to allow nanoelectronic devices to be studied in detail. Through the use of computer code and an appropriate model description, potential problems and new novel devices may be identified and studied. The model is as accurate to the physical realisation of the devices as possible to allow direct comparison with experimental outcomes. Using simple geometric shapes of varying potential heights, simple devices are readily accessible: quantum wires; quantum transistors; resonant cavities; and coupled quantum wires. Such devices will form the building blocks of future complex devices and thus need to be fully understood. Results obtained studying the connection of a quantum wire with its surroundings demonstrate non-intuitive behaviour and the importance of device geometry to electrical characteristics. The application of magnetic fields to various nano-devices produced a range of interesting phenomenon with promising novel applications. The magnetic field can be used to alter the phase of the electron, modifying the interaction between the electronic potential and the transport electrons. This thesis studies in detail the Aharonov-Bohm oscillation and impurity characterisation in quantum wires. By studying various devices considerable information can be added to the knowledge base of nano-electronic devices and provide a basis to further research. The computational algorithms developed in this thesis are highly accurate, numerically efficient and unconditionally stable, which can also be used to study many other physical phenomena in the quantum world. As an example, the computational algorithms were applied to positron-hydrogen scattering with the results indicating positronium formation.
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Lynch, Alastair M. "Low Cost and Flexible Electronics for Quantum Key Distribution and Quantum Information." Thesis, University of Bristol, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.520592.
Hinzer, Karin. "Semiconductor quantum dot lasers." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0003/MQ36702.pdf.
El, Kass Abdallah. "Milli-Kelvin Electronics at the Quantum-Classical Interface." Thesis, The University of Sydney, 2021. https://hdl.handle.net/2123/26889.
The primary research topic is the design of readout circuits for quantum systems at cryogenic temperatures. The work is divided into 3 parts.
The first part addresses the modelling of the I-V characteristics of the SiGe HBT over a wide range of temperatures. I empirically prove that the logarithmic slope of the collector current as a function of base-emitter bias is linearly dependent on the y-intercept over the temperature range from 300 K to 6 K. The forward active characteristics at different temperatures can be extrapolated to intersect at a single point. This point is labelled by its temperature-invariant voltage that is predicted to be very close to the bandgap potential at the junction.
The second part focuses on the scalability of on-chip readout of semiconductor qubits. I analyze the performance characteristics of a low-power common-emitter transimpedance amplifier. I simulate the electrical behaviour of the amplifier with 70 mK SiGe HBT literature data to understand the achievable fidelity and bandwidth of the readout. The analysis shows that sharper scaling of the transistor characteristics down to the mK range is required to lower the noise temperature of the amplifier below 1 K. I also explore the thermal ramifications of heat generation on the temperature of qubits. The results show a relation between readout circuit integration density and the qubit temperature.
Lastly, I present my work on designing, fabricating, and testing the QCPA for the purposes of amplifying qubit readout signals. The amplifier uses the capacitance between a metallic gate and the 2DEG in a GaAs/AlGaAs heterostructure as a medium of frequency mixing resulting in parametric amplification. The paramp, fabricated with the same semiconductor material and processing steps as qubits in GaAs, provides an on-chip, low-noise, wide dynamic range, and magnetically robust method for amplification at mK temperatures.
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Little, Reginald Bernard. "The synthesis and characterization of some II-VI semiconductor quantum dots, quantum shells and quantum wells." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/30573.
In recent years, new and novel forms of computation employing different natural phenomena such as the spin of atoms or the orientation of protein molecules have been proposed and are in the very initial stages of development. One of the most promising of these new computation techniques is quantum computing that employs various physical effects observed at the quantum level to provide significant improvement in certain computation tasks such as data search and factorization. An assortment of software-based simulators of quantum computers have been developed recently to assist in the development of this new computation process. However, efficiently simulating quantum algorithms at the software level is quite challenging since the algorithms have exponential run-times and memory requirements. Furthermore, the sequential nature of software-based computation makes simulating the parallel nature of quantum computation exceedingly difficult. In this thesis, the first hardware-based quantum algorithm emulation technique is presented. The emulator uses FPGA technology to model quantum circuits. Parallel computation available at the hardware level allows considerable speed-up as compared to the state-of-the-art software simulators as well as provides a greater insight into precision requirements for simulating quantum circuits.
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McNeil, Robert Peter Gordon. "Surface acoustic wave quantum electronic devices." Thesis, University of Cambridge, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.610718.
Jiang, Jun. "A Quantum Chemical View of Molecular and Nano-Electronics." Doctoral thesis, Stockholm : Biotechnology, Kungliga tekniska högskolan, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4335.
Prokhorov, A. M., and I. Ursu, eds. Trends in Quantum Electronics. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-662-10624-2.
Goser, Karl, Peter Glösekötter, and Jan Dienstuhl. "Quantum Electronics." In Nanoelectronics and Nanosystems, 151–67. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-05421-5_10.
Kawabata, A. "Quantum Wires." In Mesoscopic Physics and Electronics, 54–60. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-71976-9_8.
Pevzner, Vadim, and Karl Hess. "Quantum Ray Tracing: A New Approach to Quantum Transport in Mesoscopic Systems." In Computational Electronics, 227–30. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4757-2124-9_45.
Van Haesendonck, C., and Y. Bruynseraede. "Quantum Interference in Normal Metals." In Superconducting Electronics, 19–34. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-83885-9_2.
Lübbig, H. "Classical Dynamics of Josephson Tunnelling and Its Quantum Limitations." In Superconducting Quantum Electronics, 2–23. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-95592-1_1.
Gutmann, P., and H. Bachmair. "Cryogenic Current Comparator Metrology." In Superconducting Quantum Electronics, 255–68. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-95592-1_10.
Albrecht, M., and W. Kessel. "Fast SQUID Pseudo Random Generators." In Superconducting Quantum Electronics, 269–96. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-95592-1_11.
Brunk, G. "Modelling of Resistive Networks for Dispersive Tunnel Processes." In Superconducting Quantum Electronics, 24–43. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-95592-1_2.
Pöpel, R. "Electromagnetic Properties of Superconductors." In Superconducting Quantum Electronics, 44–78. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-95592-1_3.
Conference papers on the topic "Quantum electronics":
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Arnold, John M. "Teaching quantum electronics to electronic engineering undergraduates." In Education and Training in Optics and Photonics 2001. SPIE, 2002. http://dx.doi.org/10.1117/12.468723.
Krokhin, O. N. "Quantum Electronics 50th Jubilee." In SPIE Proceedings, edited by Yuri N. Kulchin, Jinping Ou, Oleg B. Vitrik, and Zhi Zhou. SPIE, 2007. http://dx.doi.org/10.1117/12.726441.
Saglamyurek, E., N. Sinclair, J. Jin, J. S. Slater, D. Oblak, F. Bussières, M. George, R. Ricken, W. Sohler, and W. Tittel. "Quantum Memory For Quantum Repeaters." In International Quantum Electronics Conference. Washington, D.C.: OSA, 2011. http://dx.doi.org/10.1364/iqec.2011.i93.
Schneider, Hans Christian, and Weng W. Chow. "Quantum coherence in semiconductor quantum dots." In International Quantum Electronics Conference. Washington, D.C.: OSA, 2004. http://dx.doi.org/10.1364/iqec.2004.ithf2.
Bishnoi, Dimple. "Quantum dots: Rethinking the electronics." In INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC 2015): Proceeding of International Conference on Condensed Matter and Applied Physics. Author(s), 2016. http://dx.doi.org/10.1063/1.4946309.
Krokhin, O. N. "Fifty Years of Quantum Electronics." In ZABABAKHIN SCIENTIFIC TALKS - 2005: International Conference on High Energy Density Physics. AIP, 2006. http://dx.doi.org/10.1063/1.2337172.
Senami, Masato, and Akitomo Tachibana. "Quantum chemical approaches to the electronic structures of nano-electronics materials." In 2010 10th IEEE International Conference on Solid-State and Integrated Circuit Technology (ICSICT). IEEE, 2010. http://dx.doi.org/10.1109/icsict.2010.5667357.
Furusawa, Akira. "Quantum Teleportation and Quantum Information Processing." In Quantum Electronics and Laser Science Conference. Washington, D.C.: OSA, 2010. http://dx.doi.org/10.1364/qels.2010.qtha1.
De Heer, Walter A. Epitaxial Graphene Quantum Electronics. Fort Belvoir, VA: Defense Technical Information Center, May 2014. http://dx.doi.org/10.21236/ada604108.
Bocko, Mark F., and Marc J. Feldman. Quantum Computing with Superconducting Electronics. Fort Belvoir, VA: Defense Technical Information Center, February 1998. http://dx.doi.org/10.21236/ada344625.
O'Connell, R. F. Small Systems: Single Electronics/Quantum Transport. Fort Belvoir, VA: Defense Technical Information Center, September 1994. http://dx.doi.org/10.21236/ada298817.
The performance and accuracy of quantum electronics is substantially degraded when the temperature of the electrons in the devices is too high. The electron temperature can be reduced with appropriate thermal anchoring and by filtering both the low frequency and radio frequency noise. Ultimately, for high performance filters the electron temperature can approach the phonon temperature (as measured by resistive thermometers) in a dilution refrigerator. In this application note, the method for measuring the electron temperature in a typical quantum electronics device using Coulomb blockade thermometry is described. This technique is applied to find the readily achievable electron temperature in the device when using the QFilter provided by QDevil. With our thermometry measurements, using a single GaAs/AlGaAs quantum dot in an optimized experimental setup, we determined an electron temperature of 28 ± 2 milli-Kelvin for a dilution refrigerator base temperature of 18 milli-Kelvin.
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Braga, Davide. NECQST: Novel Electronics for Cryogenic Quantum Sensors Technology. Office of Scientific and Technical Information (OSTI), October 2019. http://dx.doi.org/10.2172/1630711.
Fluegel, Brian. Fellowship in Physics/Modern Optics and Quantum Electronics. Fort Belvoir, VA: Defense Technical Information Center, May 1992. http://dx.doi.org/10.21236/ada253666.
Gaskill, J. D. Fellowship in Physics/Modern Optics and Quantum Electronics. Fort Belvoir, VA: Defense Technical Information Center, February 1990. http://dx.doi.org/10.21236/ada218772.
Elmgren, Karson, Ashwin Acharya, and Will Will Hunt. Superconductor Electronics Research. Center for Security and Emerging Technology, November 2021. http://dx.doi.org/10.51593/20210003.
Devices based on superconductor electronics can achieve much higher energy efficiency than standard electronics. Research in superconductor electronics could advance a range of commercial and defense priorities, with potential applications for supercomputing, artificial intelligence, sensors, signal processing, and quantum computing. This brief identifies the countries most actively contributing to superconductor electronics research and assesses their relative competitiveness in terms of both research output and funding.
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Schoelkopf, R. J., and S. M. Girvin. Student Support for Quantum Computing With Single Cooper-Pair Electronics. Fort Belvoir, VA: Defense Technical Information Center, January 2006. http://dx.doi.org/10.21236/ada442606.
Schoelkopf, R. J., and S. M. Girvin. Student Support for Quantum Computing with Single Cooper-Pair Electronics. Fort Belvoir, VA: Defense Technical Information Center, January 2006. http://dx.doi.org/10.21236/ada465023.
