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View article: Light field–controlled PHz currents in intrinsic metals
Light field–controlled PHz currents in intrinsic metals Open
Oriented electric currents in metals are routinely driven by applying an external electric potential. Although the response of electrons to the external electric fields occurs within attoseconds, conventional electronics do not use this sp…
View article: Enhancing the dipole ring of hexagonal boron nitride nanomesh by surface alloying
Enhancing the dipole ring of hexagonal boron nitride nanomesh by surface alloying Open
Surface templating by electrostatic surface potentials is the least invasive way to design large-scale artificial nanostructures. However, generating sufficiently large potential gradients remains challenging. Here, we lay the groundwork f…
View article: Three-photon and four-photon absorption in lithium niobate measured by the Z-scan technique: erratum
Three-photon and four-photon absorption in lithium niobate measured by the Z-scan technique: erratum Open
A misprint in our manuscript published in Opt. Express 32 ( 5 ), 7030 ( 2024 ) 10.1364/OE.505995 has been reported and corrected.
View article: Ultrafast Surface Plasmon Probing of Interband and Intraband Hot Electron Excitations
Ultrafast Surface Plasmon Probing of Interband and Intraband Hot Electron Excitations Open
Upon the interaction of light with metals, nonthermal electrons are generated with intriguing transient behavior. Here, we present femtosecond hot electron probing in a noveloptical pump/plasmon probe scheme. With this, we probed ultrafast…
View article: Light-Field-Controlled PHz Currents in Metals
Light-Field-Controlled PHz Currents in Metals Open
Oriented electric currents in metals are routinely driven by applying an external electric potential. Although the response of electrons to the external electric fields occurs within attoseconds, conventional electronics do not utilize thi…
View article: Few-Cycle Surface Plasmon Polaritons
Few-Cycle Surface Plasmon Polaritons Open
Surface plasmon polaritons (SPPs) can confine and guide light in nanometer volumes and are ideal tools for achieving electric field enhancement and the construction of nanophotonic circuitry. The realization of the highest field strengths …
View article: Controlling Plasmonic Field Enhancement via the Interference of Orthogonal Plasmonic Modes
Controlling Plasmonic Field Enhancement via the Interference of Orthogonal Plasmonic Modes Open
Optical nanoantennas concentrate light into their local fields. The field concentration property is governed by the plasmonic resonances and their interference. Here, we present a method for controllable local-field interferences in the ho…
View article: A nobel prize for attosecond physics based on extreme nonlinear optics
A nobel prize for attosecond physics based on extreme nonlinear optics Open
Nobel Prizes related to lasers are awarded for their application in pioneering research areas, as was the case in 2023. Lasers are closely linked to 13-14 Physics Prizes, involving new discoveries, inventions, or research methods. The list…
View article: Three-photon and four-photon absorption in lithium niobate measured by the Z-scan technique
Three-photon and four-photon absorption in lithium niobate measured by the Z-scan technique Open
Open-aperture Z-scan measurements have been carried out to investigate the three-photon (3 PA) and four-photon absorption (4 PA) coefficients at 800 nm and 1030 nm wavelengths, respectively in congruent and stoichiometric lithium niobate (…
View article: Subcycle surface electron emission driven by strong-field terahertz waveforms
Subcycle surface electron emission driven by strong-field terahertz waveforms Open
The advent of intense terahertz (THz) sources opened a new era when the demonstration of the acceleration and manipulation of free electrons by THz pulses became within reach. THz-field-driven electron emission was predicted to be confined…
View article: Carrier-envelope phase on-chip scanner and control of laser beams
Carrier-envelope phase on-chip scanner and control of laser beams Open
The carrier-envelope phase (CEP) is an important property of few-cycle laser pulses, allowing for light field control of electronic processes during laser-matter interactions. Thus, the measurement and control of CEP is essential for appli…
View article: New insights into thermal processes of metal deposits on h-BN/Rh(1 1 1): A comparison of Au and Rh
New insights into thermal processes of metal deposits on h-BN/Rh(1 1 1): A comparison of Au and Rh Open
In this paper the thermal properties of Au and Rh deposits are compared on hexagonal boron nitride (h-BN) "nanomesh" prepared on Rh(1 1 1), applying STM, XPS, low energy ion scattering (LEIS), LEED, and DFT. At room temperature, both metal…
View article: Subcycle surface electron emission driven by strong-field terahertz waveforms
Subcycle surface electron emission driven by strong-field terahertz waveforms Open
Experimental data.
View article: The Nobel Prize in Physics 2023
The Nobel Prize in Physics 2023 Open
The Nobel Prize in Physics was awarded to Pierre Agostini of Ohio State University, Ferenc Krausz of the Max Planck Institute of Quantum Optics and the Ludwig-Maximilian University of Munich and Anne L’Huillier of the Lund University for "…
View article: Nonadiabatic Nano-optical Tunneling of Photoelectrons in Plasmonic Near-Fields
Nonadiabatic Nano-optical Tunneling of Photoelectrons in Plasmonic Near-Fields Open
Nonadiabatic nano-optical electron tunneling in the transition region between multiphoton-induced emission and adiabatic tunnel emission is explored in the near-field of plasmonic nanostructures. For Keldysh γ values between ∼1.3 and ∼2.2,…
View article: Nonadiabatic Nanooptical Tunneling of Photoelectrons in Plasmonic Near-Fields
Nonadiabatic Nanooptical Tunneling of Photoelectrons in Plasmonic Near-Fields Open
Experimental and numerical investigation of the transition region between the multiphoton emission and tunnel emission regimes, where nonadiabatic tunneling occurs, revealed the onset to be around Keldysh ~2, where features of both regimes…
View article: Light-field-driven current control in solids with pJ-level laser pulses at 80 MHz repetition rate
Light-field-driven current control in solids with pJ-level laser pulses at 80 MHz repetition rate Open
Future PHz electronic devices may be able to perform operations on few-femtosecond time-scales. Such devices are based on the ability to control currents induced by intense few-cycle laser pulses. Investigations of this control scheme have…
View article: Issue Information
Issue Information Open
Non-myeloablative matched sibling stem cell transplantation with the optional reinforced stem cell infusion for patients with hemoglobinopathies Application of comprehensive geriatric assessment in predicting early mortality among elder pa…
View article: Strong-field nano-optics
Strong-field nano-optics Open
Funder: \n National Research, Development and Innovation Office of Hungary\n http://dx.doi.org/10.13039/501100011019
View article: Photoelecton emission from silver nanoparticles after laser irradiation
Photoelecton emission from silver nanoparticles after laser irradiation Open
Synopsis We present theoretical study of photoelectron emission from silver nanoparticles after laser irradiation based on the classical simulation of the electron trajectories. The individual electron trajectories were analized with and w…
View article: High harmonic generation on noble gas clusters
High harmonic generation on noble gas clusters Open
High order harmonics (HHG) were generated on noble gas cluster targets with different cluster sizes. The independently characterized cluster sources enabled experimental investigation of the recombination mechanism. HHG spectra were record…
View article: Simulation of photoelectron emission from metallic nanoparticles under laser irradiation
Simulation of photoelectron emission from metallic nanoparticles under laser irradiation Open
We developed a new computer simulation code that calculates trajectories of photoelectrons emitted from nanoparticles by laser excitation. The code uses the pre-calculated electric field obtained by finite-difference time-domain simulation…
View article: Advances in high-order harmonic generation sources for time-resolved investigations
Advances in high-order harmonic generation sources for time-resolved investigations Open
We review the main research directions ongoing in the development of high-harmonic generation-based extreme ultraviolet sources for the synthesization and application of trains and isolated attosecond pulses to time-resolved spectroscopy. …
View article: Advances in high-order harmonic generation sources for time-resolved\n investigations
Advances in high-order harmonic generation sources for time-resolved\n investigations Open
We review the main research directions ongoing in the development of high-harmonic generation-based extreme ultraviolet sources for the synthesization and application of trains and isolated attosecond pulses to time-resolved spectroscopy. …