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22 papers
Bright Coherent Ultrahigh Harmonics in the keV X-Ray Regime from Mid-Infrared Femtosecond Lasers
Tenio Popmintchev, Ming-Chang Chen, Dimitar Popmintchev +17
High harmonic generation traditionally combines ~100 near-infrared laser photons, to generate bright, phase matched, extreme ultraviolet beams when the emission from many atoms add…
Interplay of crystal symmetries and light's topology in high harmonic spectroscopy
Ana García-Cabrera, Roberto Boyero-García, Óscar Zurrón-Cifuentes +4
Structured ultrafast laser beams offer unique opportunities to explore the interplay of the angular momentum of light with matter at the femtosecond scale. Linearly polarized vecto…
Extreme-ultraviolet structured beams via high harmonic generation
Alok Kumar Pandey, Alba de las Heras, Julio San Román +9
Vigorous efforts to harness the topological properties of light have enabled a multitude of novel applications. Translating the applications of structured light to higher spatial a…
All-optical non-linear chiral ultrafast magnetization dynamics driven by circularly polarized magnetic fields
Luis Sánchez-Tejerina, Rodrigo Martín-Hernández, Rocío Yanes +3
Ultrafast laser pulses provide unique tools to manipulate magnetization dynamics at femtosecond timescales, where the interaction of the electric field -- such as excitation of spi…
Necklace-structured high harmonic generation for low-divergence, soft X-ray harmonic combs with tunable line spacing
Laura Rego, Nathan J. Brooks, Quynh L. D. Nguyen +6
The extreme nonlinear optical process of high-harmonic generation (HHG) makes it possible to map the properties of a laser beam onto a radiating electron wavefunction, and in turn,…
Light with a self-torque: extreme-ultraviolet beams with time-varying orbital angular momentum
Laura Rego, Kevin M. Dorney, Nathan J. Brooks +11
Twisted light fields carrying orbital angular momentum (OAM) provide powerful capabilities for applications in optical communications, microscopy, quantum optics and microparticle…