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Ultrafast Control Of Electrons Using Few Cycle Laser Pulses
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Book Synopsis Ultrafast Control of Electrons Using Few-cycle Laser Pulses by : Antonio J. Garzón-Ramírez
Download or read book Ultrafast Control of Electrons Using Few-cycle Laser Pulses written by Antonio J. Garzón-Ramírez and published by . This book was released on 2021 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The latest advances in laser technology now enable the generation and control of few-cycle lasers in the IR and UV/Vis. Using them it is now possible to apply laser fields with intensities of 10^13-10^14 W/cm^2 before the emergence of dielectric breakdown. At those intensities the incident light can dramatically distort the electronic structure of nanoscale systems and bulk matter thus opening unprecedented opportunities to manipulate electronic properties and dynamics on a femto to attosecond timescale. In this thesis, we investigate general strategies for the control of matter at the level of electrons using few-cycle laser. First we introduce a control scenario based on the Stark effect that we call SCELI, which is short for the "Stark Control of ELectron dynamics at Interfaces". The scenario uses the Stark effect induced by non-resonant light of intermediate intensity (non-perturbative but non-ionizing) to create transient resonances among the energy levels of two adjacent materials. These transient resonances open quantum tunneling pathways for interfacial charge transfer that are otherwise forbidden in undriven systems, thus providing key opportunities for the ultrafast control of electrons in matter. SCELI is of general applicability and we computationally demonstrate it by following the quantum dynamics driven by non-resonant laser pulses along semiconductor-semiconductor and molecule-semiconductor interfaces. As shown, SCELI is robust to decoherence, changes in the laser frequency and amplitude, energy level alignments between the materials of the heterojunction and survives even in the presence of interfacial band bending and electromagnetic screening. We demonstrate how to use SCELI to turn an insulating heterojunction into a conducting one on a femtosecond timescale, to generate phase controllable currents in the absence of bias voltage and to induce interfacial charge transfer when resonant routes are not available and/or in timescales faster than those offered by resonant routes. This collection of results demonstrate the general utility of Stark based strategies for the control of electrons. Second, we unveil a general mechanistic feature in emerging experiments that employ few-cycle lasers to generate currents on femtosecond timescale in nanojunctions and that have lead to the birth of the field of petahertz electronics. Through a theory-experiment collaboration, in the context of atomically thin semimetal graphene coupled to metallic electrodes, we demonstrate that the optical generation of currents has contributions arising from the photogeneration of real and virtual charge carriers. Further, we isolate carrier-envelope signatures of each contribution that allow decomposing the observed current into these two components. These advances offer direct means to optically monitor these charge carriers as needed for the design of future lightwave petaherz electronics"--Pages vi-vii
Book Synopsis Ultrafast Dynamics Driven by Intense Light Pulses by : Markus Kitzler
Download or read book Ultrafast Dynamics Driven by Intense Light Pulses written by Markus Kitzler and published by Springer. This book was released on 2015-07-24 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book documents the recent vivid developments in the research field of ultrashort intense light pulses for probing and controlling ultrafast dynamics. The recent fascinating results in studying and controlling ultrafast dynamics in ever more complicated systems such as (bio-)molecules and structures of meso- to macroscopic sizes on ever shorter time-scales are presented. The book is written by some of the most eminent experimental and theoretical experts in the field. It covers the new groundbreaking research directions that were opened by the availability of new light sources such as fully controlled intense laser fields with durations down to a single oscillation cycle, short-wavelength laser-driven attosecond pulses and intense X-ray pulses from the upcoming free electron lasers. These light sources allowed the investigation of dynamics in atoms, molecules, clusters, on surfaces and very recently also in nanostructures and solids in new regimes of parameters which, in turn, led to the identification of completely new dynamics and methods for controlling it. Example topics covered by this book include the study of ultrafast processes in large molecules using attosecond pulses, control of ultrafast electron dynamics in solids with shaped femtosecond laser pulses, light-driven ultrafast plasmonic processes on surfaces and in nanostructures as well as research on atomic and molecular systems under intense X-ray radiation. This book is equally helpful for people who would like to step into this field (e.g. young researchers), for whom it provides a broad introduction, as well as for already experienced researchers who may enjoy the exhaustive discussion that covers the research on essentially all currently studied objects and with all available ultrafast pulse sources.
Book Synopsis Few-Cycle Laser Pulse Generation and Its Applications by : Franz X. Kärtner
Download or read book Few-Cycle Laser Pulse Generation and Its Applications written by Franz X. Kärtner and published by Springer Science & Business Media. This book was released on 2004-09-14 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the physics, technology and applications of short pulse laser sources that generate pulses with durations of only a few optical cycles. The basic design considerations for the different systems such as lasers, parametric amplifiers and external compression techniques which have emerged over the last decade are discussed to give researchers and graduate students a thorough introduction to this field. The existence of these sources has opened many new fields of research that were not possible before. These are UV and EUV generation from table-top systems using high-harmonic generation, frequency metrology enabling optical frequency counting, high-resolution optical coherence tomography, strong-field ultrafast solid-state processes and ultrafast spectroscopy, to mention only a few. Many new applications will follow. The book attempts to give a comprehensive, while not excessive, introduction to this exciting new field that serves both experienced researchers and graduate students entering the field. The first half of the book covers the current physical principles, processes and design guidelines to generate pulses in the optical range comprising only a few cycles of light. Such as the generation of relatively low energy pulses at high repetition rates directly from the laser, parametric generation of medium energy pulses and high-energy pulses at low repetition rates using external compression in hollow fibers. The applications cover the revolution in frequency metrology and high-resolution laser spectroscopy to electric field synthesis in the optical range as well as the emerging field of high-harmonic generation and attosecond science, high-resolution optical imaging and novel ultrafast dynamics in semiconductors. These fields benefit from the strong electric fields accompanying these pulses in solids and gases during events comprising only a few cycles of light.
Book Synopsis Control of Free Electrons with Ultrafast Laser Pulses:Generation of Attosecond Electron Pulse Trains by : Norbert Schönenberger
Download or read book Control of Free Electrons with Ultrafast Laser Pulses:Generation of Attosecond Electron Pulse Trains written by Norbert Schönenberger and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ultrafast Lasers written by Ursula Keller and published by Springer Nature. This book was released on 2022-03-07 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook presents a comprehensive introduction to ultrafast laser physics with a keen awareness of the needs of graduate students. It is self-contained and ready to use for both ultrafast laser courses and background for experimental investigation in the lab. The book starts with an advanced introduction to linear and nonlinear pulse propagation, details Q-switching and modelocking and goes into detail while explaining ultrashort pulse generation and measurement. Finally, the characterization of the laser signals is illustrated, and a broad range of applications presented. A multitude of worked examples and problems with solutions help to deepen the reader's understanding.
Book Synopsis Ultrafast Phenomena XII by : Thomas Elsässer
Download or read book Ultrafast Phenomena XII written by Thomas Elsässer and published by Springer Science & Business Media. This book was released on 2001 with total page 746 pages. Available in PDF, EPUB and Kindle. Book excerpt: I: Coherent Control.- The Odyssey of Kent Wilson: Holding Molecules in the Light.- The Kent Wilson Group in the 1990s.- Algorithms for Closed Loop Ultrafast Control of Quantum Dynamics.- Control of Quantum Dynamics by Adaptive Femtosecond Pulse Shaping.- Optimal Control of Two-Photon Transitions: Bright and Dark Femtosecond Pulses Designed by a Self-Learning Algorithm.- Feedback Optimization of Molecular States Using a Parametrization in Frequency and Time Domain.- Controlling and Probing Impulsively Induced Ground State Vibrational Dynamics.- Dynamics and Coherent Control of Condensed Phase Vibrational Coherences.- Spatiotemporal Coherent Control.- Coherent Control and Nonlinear Interactions of Semiconductor Cavity Polaritons.- Coherent Control of XUV Radiation.- Enhancement of k? Yield from Femtosecond Laser Produced Plasmas by Automated Control of Plasma Parameters.- II: Lasers for Ultrashort Pulses.- Challenges and Limitations on Generating Few Cycle Laser Pulses Directly from Oscillators.- Extremely Flexible and Accurate Chirp-Compensation for 75-MHz Repetitive Glass-Fiber Output of a More-Than 100-THz Bandwidth: Generation of a-Few4Optical-Cycle Transform-Limited Pulses.- 14-fs Pulses at 1.3- m Generated from an All-Solid-State Cr: Forsterite Laser.- Smooth Dispersion Compensation: Novel Chirped Mirrors with Suppressed Dispersion Oscillations.- Dispersion Management over one Octave with Tilted-Front-Interface Chirped Mirrors.- A Prism-Pair-Formed Pulse Shaper Compresses Optical Pulses to the 6 fs Regime.- Correcting the Failure of the Slowly Varying Amplitude Approximation for Short Pulses.- Precise Control of the Pulse-to-Pulse Carrier-Envelope Phase in a Mode-Locked Laser.- Carrier Envelope Offset Phase Stabilization for Few-Cycle Nonlinear Optics.- Sub-10 fs Light Pulses with Stabilized Carrier-Envelope Phase: Optical Waveform Synthesis.- Frequency Domain Control of Femtosecond Pulse Trains with Fabry-Perot Reference Cavities for Optical Frequency Metrology.- Nonlinear Optcal Method for Determining the Absolute Carrier Phase of a Laser Pulse.- Generation of Relativistic Intensity Pulses at 300 Hz Repetition Rate.- Reflection Double Pass Ti: Sapphire Continuous-Wave Amplifier Delivering 5.77 W Average Power, 82 MHz Repetition Rate, 100 fs Pulse.- Chirped Pulse Amplification for Ultraviolet Femtosecond Pulses Using Ce: LiCAF Crystal.- Parabolic Pulses from Yb: Fiber Amplifiers: A New Paradigm for High Power Ultrashort Pulse Generation.- Generation, Amplification and Characterization of Tunable Visible Ultrashort Shaped Pulses.- Synthesis of Supershort UV Pulses Using Phase-Locked Raman Side-Band Generation.- Generation and Measurement of Ultrafast Tunable VUV Light.- III: Pulse Characterization, Shaping and Measurement Techniques.- Autocorrelation Measurement of Femtosecond Optical Pulses Using Two-Photon-Induced Photocurrent in a Photomultiplier Tube.- Precision and Accuracy of Ultrashort Optical Pulse Measurement Using SPIDER.- Highly Simplified Ultrashort Pulse Measurement.- Time-Gated FROG: A New Technique for Studying the Build-Up of Optical Pulse Field in Mode-Locked Ultrafast Lasers.- Measuring the Intensity and Phase of Ultrabroadband Continuum.- Amplitude and Phase Measurement of Mid-IR Femtosecond Pulses Using XFROG.- Rapid Retrieval of Ultrashort Pulse Amplitude and Phase from a Sonogram Trace.- Simultaneous Two-Dimensional Space and Time Measurement of Ultrashort Optical Pulses Based on Spatial Spectral Interferometry.- Reliability of Fourier-Transform Spectral Interferometry.- Direct Measurement of Spectral Phase of Femtosecond Pulses Using Optical Parametric Effect.- Ultrashort Pulse Characterization by Frequency Resolved Pump Probe.- Attosecond Cross Correlation Technique.- Unbalanced Multiphoton Autocorrelation Techniques for fs Pulse Measurements in the Near IR.- Unbalanced Third-Order Correlations for Characterizing the Intensity and Phase of Femtosecond Pulses.- Spectral Phase Correlator for Coded Wavefo
Book Synopsis Controlling the Dynamics of Electrons and Nuclei in Ultrafast Strong Laser Fields by : Nora G. Kling
Download or read book Controlling the Dynamics of Electrons and Nuclei in Ultrafast Strong Laser Fields written by Nora G. Kling and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: One ultimate goal of ultrafast, strong- field laser science is to coherently control chemical reactions. Present laser technology allows for the production of intense (>1013 W/cm2), ultrashort ([less than or equal to] 5 fs), carrier-envelope phase-stabilized pulses. By knowing the electric field waveform, sub-cycle resolution on the order of 100's of attoseconds (1 as=10−18 s) can be reached -- the timescale for electron motion. Meanwhile, the laser field strengths are comparable to that which binds electrons to atoms or molecules. In this intense-field ultrashort-pulse regime one can both measure and manipulate dynamics of strong-field, quantum-mechanical processes in atoms and molecules. Despite much progress in the technology, typical durations for which lasers can be reliably locked to a specific carrier-envelope phase ranges from a few minutes to a few hours. Experiments investigating carrier-envelope phase effects that have necessarily long data acquisition times, such as those requiring coincidence between fragments originating from the same atom or molecule, are thus challenging and uncommon. Therefore, we combined the new technology for measuring the carrier-envelope phase of each and every laser shot with other single-shot coincidence three-dimensional momentum imaging techniques to alleviate the need for carrier-envelope phase stabilized laser pulses. Using phase-tagged coincidence techniques, several targets and laser-induced processes were studied. One particular highlight uses this method to study the recollision process of non-sequential double ionization of argon. By measuring the momentum of the two electrons emitted in the process, we could study their energy sharing. Furthermore, by selecting certain carrier-envelope phase values, and therefore laser pulses with a particular waveform, events with single recollision could be isolated and further analyzed. Another highlight is our studies of carrier-envelope phase effects in the dissociation of the benchmark H2 ion beam. Aided by near-exact quantum mechanical calculations, we could identify interfering pathways which lead to the observed spatial asymmetry. These and other similar experiments are described in this thesis as significant steps toward their ultimate control.
Book Synopsis Progress in Ultrafast Intense Laser Science by : Kaoru Yamanouchi
Download or read book Progress in Ultrafast Intense Laser Science written by Kaoru Yamanouchi and published by Springer Science & Business Media. This book was released on 2013-02-14 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: The PUILS series delivers up-to-date reviews of progress in Ultrafast Intense Laser Science, a newly emerging interdisciplinary research field spanning atomic and molecular physics, molecular science, and optical science, which has been stimulated by the recent developments in ultrafast laser technologies. Each volume compiles peer-reviewed articles authored by researchers at the forefront of each their own subfields of UILS. Every chapter opens with an overview of the topics to be discussed, so that researchers unfamiliar to the subfield, as well as graduate students, can grasp the importance and attractions of the research topic at hand; these are followed by reports of cutting-edge discoveries. This ninth volume covers a broad range of topics from this interdisciplinary research field, focusing on ultrafast molecular responses to an intense laser field, advanced techniques for attosecond pulse generation, atomic and molecular responses to attosecond pulses, photoelectron spectroscopy of atoms and molecules interacting with intense light fields, and attosecond pulse interaction with solid materials.
Download or read book Attosecond Physics written by Luis Plaja and published by Springer. This book was released on 2013-07-31 with total page 281 pages. Available in PDF, EPUB and Kindle. Book excerpt: Attophysics is an emerging field in physics devoted to the study and characterization of matter dynamics in the sub-femtosecond time scale. This book gives coverage of a broad set of selected topics in this field, exciting by their novelty and their potential impact. The book is written review-like. It also includes fundamental chapters as introduction to the field for non-specialist physicists. The book is structured in four sections: basics, attosecond pulse technology, applications to measurements and control of physical processes and future perspectives. It is a valuable reference tool for researchers in the field as well as a concise introduction to non-specialist readers.
Book Synopsis Ultrafast Phenomena XVI by : Paul Corkum
Download or read book Ultrafast Phenomena XVI written by Paul Corkum and published by Springer Science & Business Media. This book was released on 2010-03-23 with total page 1031 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrafast Phenomena XVI presents the latest advances in ultrafast science, including both ultrafast optical technology and the study of ultrafast phenomena. It covers picosecond, femtosecond and attosecond processes relevant to applications in physics, chemistry, biology, and engineering. Ultrafast technology has a profound impact in a wide range of applications, amongst them biomedical imaging, chemical dynamics, frequency standards, material processing, and ultrahigh speed communications. This book summarizes the results presented at the 16th International Conference on Ultrafast Phenomena and provides an up-to-date view of this important and rapidly advancing field.
Book Synopsis Ultrashort Laser Pulses and Applications by : Wolfgang Kaiser
Download or read book Ultrashort Laser Pulses and Applications written by Wolfgang Kaiser and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ten years ago, Stanley L. Shapiro edited the book entitled Ultrashort Light Pulses (Topics Appl. Phys., Vol. 18), which was written by eight experts in the field. Six years later, Charles V. Shank added a bibliography (1980-1983) in the second edition with approximately one thousand new references. During the past decade the field has grown so rapidly that a completely new book had to be written. In particular, the reduction of the time scale of light pulses into the femtosecond range has opened up new experimental possibilities never even foreseen in the preceding literature. The vast literature with countless ideas and applications makes it impossible for a single person to write a comprehensive review. Nine scientists, actively working in the field since its beginning, have decided to join forces to prepare a new book describing the present state of the art. Emphasis is placed on the generation and numerous applications of ultrashort laser pulses. This book covers a wide area of science: physics, engineering, chemistry, and biology. The various chapters and sections are prepared in each case such that the reader is given a brief introduction to the specific subject. Ample references for a more detailed study are given at the end of each chapter.
Book Synopsis Advances in Ultrafast Optics by : Fei He
Download or read book Advances in Ultrafast Optics written by Fei He and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-09-10 with total page 443 pages. Available in PDF, EPUB and Kindle. Book excerpt: Being the most active field in modern physics, Optical Physics has developed many new branches and interdisciplinary fields overlapping with various classical disciplines. This series summarizes the advancements of optical physics in the past twenty years in the following fields: High Field Laser Physics, Precision Laser Spectroscopy, Nonlinear Optics, Nanophotonics, Quantum Optics, Ultrafast Optics, Condensed Matter Optics, and Molecular Biophotonics.
Book Synopsis New approaches to the generation and characterization of few-cycle laser pulses by :
Download or read book New approaches to the generation and characterization of few-cycle laser pulses written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Progress in Ultrafast Intense Laser Science XI by : Kaoru Yamanouchi
Download or read book Progress in Ultrafast Intense Laser Science XI written by Kaoru Yamanouchi and published by Springer. This book was released on 2014-08-09 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: The PUILS series delivers up-to-date reviews of progress in Ultrafast Intense Laser Science, a newly emerging interdisciplinary research field spanning atomic and molecular physics, molecular science and optical science, which has been stimulated by the recent developments in ultrafast laser technologies. Each volume compiles peer-reviewed articles authored by researchers at the forefront of each their own subfields of UILS. Every chapter opens with an overview of the topics to be discussed, so that researchers unfamiliar to the subfield, as well as graduate students, can grasp the importance and attractions of the research topic at hand; these are followed by reports of cutting-edge discoveries. This eleventh volume covers a broad range of topics from this interdisciplinary research field, focusing on ultrafast dynamics of molecules in intense laser fields, pulse shaping techniques for controlling molecular processes, high-order harmonics generation and attosecond Photoionization, femtosecond laser induced filamentation and laser particle acceleration.
Book Synopsis Few-cycle Optical Parametric Chirped Pulse Amplification by :
Download or read book Few-cycle Optical Parametric Chirped Pulse Amplification written by and published by . This book was released on 2007 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last few years, ultrafast laser physics and frequency metrology has merged and provided us with unprecedented (sub-cycle) control over the electric field of few-cycle laser pulses emitted from modelocked lasers. These pulses and the corresponding technology are the prerequisite for high energy phase controlled few-cycle laser pulses, needed for reliable extreme ultraviolet (EUV) and soft x-ray production via high harmonic generation. It has been shown over the last few years that this technology leads to the generation of attosecond pulses and therefore opens up a new frontier in time and frequency measurements.
Book Synopsis A New Generation of High-Power, Waveform Controlled, Few-Cycle Light Sources by : Marcus Seidel
Download or read book A New Generation of High-Power, Waveform Controlled, Few-Cycle Light Sources written by Marcus Seidel and published by Springer. This book was released on 2019-02-25 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents first successful experiments to carrier-envelope-phase stabilize a high-power mode-locked thin-disk oscillator and to compress the pulses emitted from this laser to durations of only a few-optical cycles. Moreover, the monograph introduces several methods to achieve power-scalability of compression and stabilization techniques. All experimental approaches are compared in detail and may serve as a guideline for developing high-power waveform controlled, few-cycle light sources which offer tremendous potential to exploit extreme nonlinear optical effects at unprecedentedly high repetition rates and to establish table-top infrared light sources with a unique combination of brilliance and bandwidth. As an example, the realization of a multi-Watt, multi-octave spanning, mid-infrared femtosecond source is described. The thesis starts with a basic introduction to the field of ultrafast laser oscillators. It subsequently presents additional details of previously published research results and establishes a connection between them. It therefore addresses both newcomers to, and experts in the field of high-power ultrafast laser development.
Book Synopsis Ultrafast Phenomena XIV by : Takayoshi Kobayashi
Download or read book Ultrafast Phenomena XIV written by Takayoshi Kobayashi and published by Springer Science & Business Media. This book was released on 2005-12-28 with total page 914 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is a collection of papers presented at the Fourteenth International Conference on Ultrafast Phenomena held in Niigata, Japan from July 25-30, 2004. The Ultrafast Phenomena Conferences are held every two years and provide a forum for discussion of the latest results in ultrafast optics and their applications in science and engineering. A total of more than 300 papers were presented, reporting the forefront of research in ultrashort pulse generation and characterization, including new techniques for shortening the duration of laser pulses, for stabilizing their absolute phase, and for improving tenability over broad wavelength ranges, output powers and peak intensities. Ultrafast spectroscopies, particularly time-resolved X-ray and electron diffraction and two-dimensional spectroscopy, continue to give new insights into fundamental processes in physics, chemistry and biology. Control and optimization of the outcome of ultrafast processes represent another important field of research. There are an increasing number of applications of ultrafast methodology in material diagnostics and processing, microscopy and medical imaging. The enthusiasm of the participants, the involvement of many students, the high quality of the papers in both oral and poster sessions made the conference very successful. Many people and organizations made invaluable contributions. The members of the international program committee reviewed the submissions and organized the program. The staff of the Optical Society of America deserves special thanks for making the meeting arrangements and running the meeting smoothly.
