Tunability of space-time wave packet carrying tunable and dynamically changing OAM value

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Space-time (ST) wave packets, in which spatial and temporal characteristics are coupled, have gained attention due to their unique propagation characteristics, such as propagation invariance and tunable group velocity in addition to their potential ability ...

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Novel forms of light beams carrying orbital angular momentum (OAM) have recently gained interest, especially due to some of their intriguing propagation features. Here, we experimentally demonstrate the generation of near-diffraction-free two-dimensional ( ...

In general, there are different, relatively independent forms of orbital angular momenta at a given propagation distance, which might exhibit different dynamic spatial characteristics. One type involves a beam with a helical phase-front that rotates around ...

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The Talbot self-imaging effect is mostly present in the forms of space or time, or in the frequency domain by the Fourier duality. Here, we disclose a new spectral Talbot effect arising in optical orbital angular momentum (OAM) modes. The effect occurs in ...

Optical frequency combs are a series of phase-locked and equidistant laser lines in the spectral domain. In the time domain, they correspond to periodic pulse trains by the Fourier relation. The ability to shape optical combs and pulse trains is pivotal to ...

A system and method to generate ultrashort high beam quality pulses from spatio- temporally mode-locked multimode fiber laser are described. The invention relies on engineering the intra-cavity pulse propagation in a multimode laser cavity to shape the spa ...

We exhibit non-equivariant perturbations of the blowup solutions constructed in [18] for energy critical wave maps into

\mathbb{S}^2

. Our admissible class of perturbations is an open set in some sufficiently smooth topology and vanishes near the light co ...

The past decade has witnessed a quantum revolution in the field of computation, communication and materials investigation. A similar revolution is also occurring for free-electron based techniques, where the classical treatment of a free electron as a poin ...

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Landslide-generated waves, also called impulse waves, occur as a result of the intrusion of landslides (such as rock falls, debris flows, and avalanches) into bodies of water (such as lakes, reservoirs, and seas). The objective of this thesis was to study ...

Tunability of space-time wave packet carrying tunable and dynamically changing OAM value

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Integrated gallium phosphide nonlinear photonics

Image sensitive spectral response of semiconductor random network lasers

Wave-momentum shaping for moving objects in heterogeneous and dynamic media

A machine learning architecture for including wave breaking in envelope-type wave models

Nonlocally-resonant metamaterials

Stochastic particle transport by deep-water irregular breaking waves

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

Generation of OAM-carrying space-time wave packets with time-dependent beam radii using a coherent combination of multiple LG modes on multiple frequencies

Engineering Absorption for Foil Applications

Synthesis of near-diffraction-free orbital-angular-momentum space-time wave packets having a controllable group velocity using a frequency comb

Experimental demonstration of dynamic spatiotemporal structured beams that simultaneously exhibit two orbital angular momenta by combining multiple frequency lines, each carrying multiple Laguerre-Gaussian modes

Ultrafast Transverse Modulation of Free Electrons by Interaction with Shaped Optical Fields

Spectral self-imaging of optical orbital angular momentum modes

Versatile shaping of optical frequency combs and applications

System and method for high beam quality pulse generation in mode-locked multimode fiber lasers

A stability theory beyond the co-rotational setting for critical wave maps blow up

Spatio-temporal shaping of a free-electron wave function via coherent light-electron interaction

Angular Momentum in Rotating Superfluid Droplets

Spatial wave control using a self-biased nonlinear metasurface at microwave frequencies

Experimental study of impulse waves generated by viscoplastic fluid