Literatura académica sobre el tema "TeraHertz phonons"
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Artículos de revistas sobre el tema "TeraHertz phonons"
Renk, K. F. y U. Happek. "Terahertz-phonons: New Phonon Spectroscopies". Physica Scripta T29 (1 de enero de 1989): 226–29. http://dx.doi.org/10.1088/0031-8949/1989/t29/043.
Texto completoAnsari, Meenhaz, Subhana Nafees, S. S. Z. Ashraf y Absar Ahmad. "Terahertz acoustic phonon Cerenkov emission in bilayer graphene". Journal of Applied Physics 132, n.º 2 (14 de julio de 2022): 024303. http://dx.doi.org/10.1063/5.0091369.
Texto completoNika, Denis, Evghenii Pokatilov, Vladimir Fomin, Josef Devreese y Jacques Tempere. "Resonant Terahertz Light Absorption by Virtue of Tunable Hybrid Interface Phonon–Plasmon Modes in Semiconductor Nanoshells". Applied Sciences 9, n.º 7 (6 de abril de 2019): 1442. http://dx.doi.org/10.3390/app9071442.
Texto completoPavlov, Sergeij G., Heinz Wilhelm Hübers, Nikolay V. Abrosimov y H. Riemann. "Mono- and Polycrystalline Silicon for Terahertz Intracenter Lasers". Solid State Phenomena 131-133 (octubre de 2007): 579–82. http://dx.doi.org/10.4028/www.scientific.net/ssp.131-133.579.
Texto completoBoldyrev, Kirill N., Boris Z. Malkin y Marina N. Popova. "Magnetic-Field-Tunable Intensity Transfer from Optically Active Phonons to Crystal-Field Excitations in the Reflection Spectra of the PrFe3(BO3)4 Antiferromagnet". Crystals 12, n.º 3 (14 de marzo de 2022): 392. http://dx.doi.org/10.3390/cryst12030392.
Texto completoLanzillotti-Kimura, N. D., A. Fainstein, A. Lemaître y B. Jusserand. "Nanowave devices for terahertz acoustic phonons". Applied Physics Letters 88, n.º 8 (20 de febrero de 2006): 083113. http://dx.doi.org/10.1063/1.2178415.
Texto completoMakler, Sergio S., M. I. Vasilevskiy, E. V. Anda, D. E. Tuyarot, J. Weberszpil y H. M. Pastawski. "A source of terahertz coherent phonons". Journal of Physics: Condensed Matter 10, n.º 26 (6 de julio de 1998): 5905–21. http://dx.doi.org/10.1088/0953-8984/10/26/017.
Texto completoVasileiadis, Thomas, Juan Sebastian Reparaz y Bartlomiej Graczykowski. "Phonon transport in the gigahertz to terahertz range: Confinement, topology, and second sound". Journal of Applied Physics 131, n.º 18 (14 de mayo de 2022): 180901. http://dx.doi.org/10.1063/5.0073508.
Texto completoWoerner, Michael, Carmine Somma, Klaus Reimann, Thomas Elsaesser, Igal Brener, John L. Reno, Yuanmu Yang y Peter Q. Liu. "Terahertz driven amplification of coherent optical phonons in GaAs coupled to metallic dog-bone resonators". EPJ Web of Conferences 205 (2019): 05007. http://dx.doi.org/10.1051/epjconf/201920505007.
Texto completoCaldwell, Joshua D., Lucas Lindsay, Vincenzo Giannini, Igor Vurgaftman, Thomas L. Reinecke, Stefan A. Maier y Orest J. Glembocki. "Low-loss, infrared and terahertz nanophotonics using surface phonon polaritons". Nanophotonics 4, n.º 1 (13 de abril de 2015): 44–68. http://dx.doi.org/10.1515/nanoph-2014-0003.
Texto completoTesis sobre el tema "TeraHertz phonons"
Li, Xian Ph D. Massachusetts Institute of Technology. "Terahertz-field-induced nonlinearity in phonons, electrons and spins". Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/122713.
Texto completoCataloged from PDF version of thesis.
Includes bibliographical references (pages 189-210).
In this thesis, I describe work aimed at understanding nonlinear material responses initiated by strong terahertz (THz) field excitation. I discuss two aspects of nonlinear THz spectroscopy in condensed-matter materials: developments of experimental THz capabilities and spectroscopy methods and their applications in investigating ultrafast nonlinear dynamics in different classes of materials. I first describe the THz generation, detection and spectroscopy methods, which are the basis of all of our studies. We have generated strong single- and multi-cycle THz pulses covering several spectral ranges using inorganic and organic crystals and developed linear and nonlinear THz spectroscopy techniques to interrogate light-matter interactions based on different observables and/or symmetry criteria.
We have demonstrated a new method for studying time-domain electron paramagnetic resonance that allows us to measure THz-frequency fine structures of spin energy levels on a tabletop and have developed nonlinear two-dimensional (2D) magnetic resonance spectroscopy to distinguish nonlinear THz-spin interaction pathways. We also show that THz-pump, optical-probe spectroscopy, including THz field-induced second-harmonic generation spectroscopy and THz Kerr effect spectroscopy, can be extended to study phase transitions in quantum paraelectric and topological materials. We have employed the THz methods to drive and detect nonlinear responses from several degrees of freedom in the materials. We have demonstrated collective coherent control over material structure by inducing a quantum paraelectric to ferroelectric phase transition using intense THz electric fields in strontium titanate.
We show that a single-cycle THz field is able to drive ions along the microscopic pathway leading directly to their locations in a new crystalline phase on an ultrafast timescale. We have driven highly nonlinear lattice and electronic responses in a topological crystalline insulator by dynamically perturbing the protecting crystalline symmetry through THz phonon excitation. We have observed oscillations in optical reflectivity that may be associated with electronic gap opening and modulation in the topological surface states. Finally, we have demonstrated nonlinear manipulation of collective spin waves in a canted antiferromagnet using strong THz magnetic fields and we have observed full sets of the second- and third-order nonlinear responses in 2D THz magnetic resonance spectra, which are accurately reproduced in our numerical simulations.
by Xian Li.
Ph. D.
Ph.D. Massachusetts Institute of Technology, Department of Chemistry
Warren, Matthew Timothy. "Time-Domain Terahertz Studies of Strongly Correlated GeV4S8 and Osmate Double-Perovskites". The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1512066420271281.
Texto completoKasai, S., T. Katagiri, J. Takayanagi, K. Kawase y T. Ouchi. "Reduction of phonon resonant terahertz wave absorption in photoconductive switches using epitaxial layer transfer". American Institite of Physics, 2009. http://hdl.handle.net/2237/12632.
Texto completoHibberd, Morgan. "Studying low frequency vibrational modes using ultrafast techniques". Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/studying-low-frequency-vibrational-modes-using-ultrafast-techniques(4f2da8db-befe-4c37-a6ae-42d069c54dd5).html.
Texto completoFreeman, Will. "Terahertz quantum cascade structures using step wells and longitudinal optical-phonon scattering". Monterey, Calif. : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/dissert/2009/Jun/09Jun%5FFreeman%5FPhD.pdf.
Texto completoDissertation supervisor: Karunasiri, Gamani. "June 2009." Description based on title screen as viewed on July 14, 2009. Author(s) subject terms: Terahertz, THz, Quantum cascade structure, QC structure, Quantum cascade laser, QCL, Step well, Longitudinal optical-phonon, LO-phonon, Electron-phonon scattering, Electronelectron scattering, Impurity scattering, Interface roughness scattering, Optical transition, Electron transport, Monte Carlo method, Metal-metal waveguide, Surface plasmon waveguide Includes bibliographical references (p. 103-108). Also available in print.
Mährlein, Sebastian F. [Verfasser]. "Nonlinear Terahertz Phononics: A Novel Route to Controlling Matter / Sebastian F. Mährlein". Berlin : Freie Universität Berlin, 2017. http://d-nb.info/1135608059/34.
Texto completoKnighton, Brittany E. "Nonlinear Ultrafast Excitation and Two-Dimensional Terahertz Spectroscopy of Solids". BYU ScholarsArchive, 2021. https://scholarsarchive.byu.edu/etd/9190.
Texto completoNguema, Agnandji Edwin. "Génération et détection Terahertz : application à la caractérisation de matériaux en couches minces". Thesis, Bordeaux 1, 2009. http://www.theses.fr/2009BOR13796/document.
Texto completoThis work concerns the characterization of thin film materials by terahertz time domain spectroscopy. For this purpose, we elaborated a terahertz setup in which the terahertz emission and terahertz detection are based on the use of femtosecond laser, semiconductors, ultrafast photoswitches or electro-optic crystals. The study of dielectric function of ferroelectrics thin film (barium titanate/-Ba1-xSrxTiO3) with temperature, give the importance of soft phonon mode. Finally, the electromagnetic behavior of conducting polymers based on polyaniline was made, in particular their shelding effectiveness in millimeter and sub-millimeter length
Souza, Fabricio Macedo de. "Dinâmica de plasma e fônon e emissão de radiação terahertz em superfícies de GaAs e telúrio excitadas por pulsos ultracurtos". Universidade de São Paulo, 2000. http://www.teses.usp.br/teses/disponiveis/76/76131/tde-18112013-111000/.
Texto completoAbove-band-gap optical excitation of semiconductors generates highly non-equilibrium photocarriers which interact with phonons thus exciting vibrational modes in the system. This interaction induces refractive-index changes via the electro-optic effect. Moreover it gives rise to electromagnetic radiation at characteristic frequencies (terahertz). Both effects have been measured by time-resolved ultra fast spectroscopy. Recent pump-probe experiments have found strong modulations of the internal electric field through electro-optic measurements. The emitted electromagnetic radiation has also been detected by a terahertz dipole antenna. Both electro-optic and terahertz emission measurements provide information about the coupled dynamics of photocarriers and phonons. In this work we simulate the dynamics of plasmon-phonon coupled modes in n-GaAs and Tellurium (bulk) following ultrafast laser excitation. The time evolution of the photocarrier densities and currents is described semi classically in terms of the moments of the Boltzmann equation. Phonon effects are accounted for by considering a phenomenological driven-harmonic-oscillator equation, which is coupled to the electron-hole plasma via Poisson\'s equation. These equations constitute a coupled set of differential equations. We use finite differencing to solve these equations. From the numerical results for the evolution of internal fields we can calculate both the characteristic frequencies of system and its terahertz radiation spectrum. Our results are consistent with recent experimental data
Vassant, Simon. "Contrôle optique et électrique de réflectivité THz assistée par phonon-polaritons de surface". Phd thesis, Ecole Centrale Paris, 2011. http://tel.archives-ouvertes.fr/tel-00601767.
Texto completoCapítulos de libros sobre el tema "TeraHertz phonons"
Schwartz, H., K. F. Renk, A. Berke, A. P. Mayer y R. K. Wehner. "Terahertz-Phonons in Diamond". En Phonon Scattering in Condensed Matter V, 362–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82912-3_103.
Texto completoHappek, U., W. W. Fischer y J. A. Campbell. "Terahertz Phonons in Highly Disordered Crystals". En Springer Series in Solid-State Sciences, 306–10. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-84888-9_122.
Texto completoUlbrich, R. G. "Generation, Propagation and Detection of Terahertz Phonons In Gallium Arsenide". En Nonequilibrium Phonon Dynamics, 101–27. Boston, MA: Springer US, 1985. http://dx.doi.org/10.1007/978-1-4613-2501-7_3.
Texto completoCarpinteri, Alberto. "TeraHertz Phonons and Piezonuclear Reactions from Nano-scale Mechanical Instabilities". En Acoustic, Electromagnetic, Neutron Emissions from Fracture and Earthquakes, 1–10. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-16955-2_1.
Texto completoAkimov, A. V., A. A. Kaplyanskii y E. S. Moskalenko. "Nonequilibrium Terahertz Range Acoustic Phonons and Luminescence of Excitons in Semiconductors". En Laser Optics of Condensed Matter, 37–46. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3726-7_6.
Texto completoMizoguchi, K., M. Nakayama, S. Saito, A. Syouji y K. Sakai. "Dynamical Properties of Terahertz Radiation from Coherent Longitudinal Optical Phonons Confined in a GaAs/AlAs Multiple Quantum Well". En Ultrafast Phenomena XV, 790–92. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-68781-8_252.
Texto completoMizoguchi, K., Y. Kanzawa, M. Nakayama, S. Saito y K. Sakai. "Terahertz wave from coherent LO phonon in a GaAs/AlAs multiple quantum well under an electric field". En Springer Series in Chemical Physics, 681–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-95946-5_221.
Texto completoBasak, Tista y Tushima Basak. "Recent Advances in Graphene Based Plasmonics". En Photonic Materials: Recent Advances and Emerging Applications, 56–84. BENTHAM SCIENCE PUBLISHERS, 2023. http://dx.doi.org/10.2174/9789815049756123010007.
Texto completoSharma, Prince, Veerpal Singh Awana y Mahesh Kumar. "Temperature-Dependent Evaluation of Charge Carriers and Terahertz Generation in Bismuth and Antimony-Based Chalcogenides". En Chalcogens [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.102887.
Texto completoYamaguchi, Masashi, Minfeng Wang y Pablo Suarez. "TERAHERTZ PHONON-POLARITON IMAGING FOR THE APPLICATION OF CHEMICAL DETECTION". En Selected Topics in Electronics and Systems, 163–73. WORLD SCIENTIFIC, 2007. http://dx.doi.org/10.1142/9789812771803_0013.
Texto completoActas de conferencias sobre el tema "TeraHertz phonons"
Liu, H. C., C. Y. Song, Z. R. Wasilewski, J. A. Gupta y M. Buchanan. "Designing phonons for active use in terahertz devices". En SPIE OPTO: Integrated Optoelectronic Devices, editado por Manijeh Razeghi, Rengarajan Sudharsanan y Gail J. Brown. SPIE, 2009. http://dx.doi.org/10.1117/12.807532.
Texto completoTani, Masahiko, Ryoichi Fukasawa, Michael Herrmann, Kiyomi Sakai, Shin-ichi Nakashima, Nobuya Yoshioka, Akihiro Ishida y Hiroshi Fujiyasu. "Terahertz emission spectroscopy of coherent phonons in semiconductors". En Optoelectronics '99 - Integrated Optoelectronic Devices, editado por Kong-Thon F. Tsen. SPIE, 1999. http://dx.doi.org/10.1117/12.349285.
Texto completoWeiner, A. M., D. E. Leaird, G. P. Wiederrecht y K. A. Nelson. "Resonant Excitation of Coherent Optic Phonons by Femtosecond Multiple-Pulse Impulsive Stimulated Raman Scattering". En International Conference on Ultrafast Phenomena. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/up.1990.thd2.
Texto completoWeng, Qianchun, Robb Puttock, Craig Barton, Vishal Panchal, Le Yang, Zhenghua An, Yusuke Kajihara, Wei Lu, Alexander Tzalenchuk y Susumu Komiyama. "Nanothermometry of electrons and phonons". En 2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2018). IEEE, 2018. http://dx.doi.org/10.1109/irmmw-thz.2018.8509939.
Texto completoTakeuchi, Hideo, Shuichi Tsuruta y Masaaki Nakayama. "Dynamical characteristics of a coherent longitudinal optical phonon in a GaAs buffer layer optically covered with a GaSb top epitaxial layer investigated with use of terahertz spectroscopy". En PHONONS 2012: XIV International Conference on Phonon Scattering in Condensed Matter. AIP, 2012. http://dx.doi.org/10.1063/1.4772529.
Texto completoZheng, Jiaoyang, Guru Khalsa, Nicole A. Benedek y Jeffrey Moses. "Two-pulse enabled coherent control of structural dynamics". En International Conference on Ultrafast Phenomena. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/up.2022.w4a.20.
Texto completoFeofilov, S. P. y Alexander A. Kaplyanskii. "Nonequilibrium terahertz phonons in spatially confined aluminum oxide crystalline materials studied by the Cr3+fluorescent phonon detector". En Tenth Feofilov Symposium on Spectroscopy of Crystals Activated by Rare Earth and Transitional Ions, editado por Alexander I. Ryskin y V. F. Masterov. SPIE, 1996. http://dx.doi.org/10.1117/12.229136.
Texto completoGundareva, I., V. Pavlovskiy y Y. Divin. "THz Josephson spectroscopy of optical phonons in YBa2Cu3O7−x". En 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IEEE, 2017. http://dx.doi.org/10.1109/irmmw-thz.2017.8066926.
Texto completoFu, Zhengping y Masashi Yamaguchi. "Excitation of coherent phonons in GaAs by broadband THz pulses". En 2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz). IEEE, 2014. http://dx.doi.org/10.1109/irmmw-thz.2014.6956037.
Texto completoVölkel, Alexandra y Georg Herink. "Ultrafast Raman-induced Coupling of Femtosecond Soliton Molecules via Optical Terahertz Phonons". En CLEO: QELS_Fundamental Science. Washington, D.C.: OSA, 2021. http://dx.doi.org/10.1364/cleo_qels.2021.fw4k.3.
Texto completoInformes sobre el tema "TeraHertz phonons"
Gelmont, Boris. Simulation of Terahertz Frequency Sources. Polar-Optical Phonon Enhancement of Harmonic Generation in Schottky Diodes. Fort Belvoir, VA: Defense Technical Information Center, septiembre de 2002. http://dx.doi.org/10.21236/ada413032.
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