Parametric amplification and bidirectional invisibility in PT-symmetric time-Floquet systems

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We demonstrate a figure-of-9 all-fiber thulium-doped laser (TDFL) that generates 560 fs long pulses at 1948 nm wavelength. In order to achieve self-starting passive mode-locking, we utilize an in-fiber Faraday rotator to induce a nonreciprocal phase shift. ...

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Electron-cyclotron waves are a tool commonly used in tokamaks, in particular to drive current. Their ability to drive current in a very localized manner renders them an optimal tool for MHD mode mitigation. However, such applications require high accuracy ...

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The invention relates to a Method for operating a frequency agile tunable self-injection locking laser system being formed by a laser device coupled to at least one optical resonator, wherein a diode current of a laser diode of the laser device is controll ...

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Parametric amplification and bidirectional invisibility in PT-symmetric time-Floquet systems

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3D diffractive optics for linear interconnects and nonlinear processing

Wavelength-stabilized figure-of-9 thulium-doped all-fiber laser emitting 560 fs pulses

Parametric Wavelength Conversion in Waveguiding Structures: Efficiency, Bandwidth and Polarization

Single-Mode Laser in the Telecom Range by Deterministic Amplification of the Topological Interface Mode

Nonlinear optical diode effect in a magnetic Weyl semimetal

Influence of ionization and cumulative effects on laser-induced crystallization in multilayer dielectrics

Laser-based manufacturing of freeform glass micro-optics through topological transformation

Femtosecond-laser direct-write photoconductive patterns on tellurite glass

Impact of microwave beam scattering by density fluctuations on the electron-cyclotron power deposition profile in tokamaks

Exciton migration in two-dimensional materials

Wandering principal optical axes in van der Waals triclinic materials

Electric-field-induced second-order nonlinear processes in stoichiometric silicon nitride

Light Emission and Conductance Fluctuations in Electrically Driven and Plasmonically Enhanced Molecular Junctions

Single-frequency violet and blue laser emission from AlGaInN photonic integrated circuit chips

Cavitation induced by pulsed and continuous-wave fiber lasers in confinement

On the interaction of femtosecond laser pulses with layered dielectric materials

Method for operating a frequency agile tunable self-injection locking laser system and self-injection locking laser system

Frequency and time domains interactions in nanophotonics

Progress and prospects in nonlinear extreme-ultraviolet and X-ray optics and spectroscopy

Voltage-tunable optical parametric oscillator with an alternating dispersion dimer integrated on a chip