P
Paul Arpin
Researcher at University of Colorado Boulder
Publications - 32
Citations - 3091
Paul Arpin is an academic researcher from University of Colorado Boulder. The author has contributed to research in topics: High harmonic generation & Laser. The author has an hindex of 12, co-authored 29 publications receiving 2708 citations. Previous affiliations of Paul Arpin include Harvey Mudd College & National Institute of Standards and Technology.
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Journal ArticleDOI
Bright Coherent Ultrahigh Harmonics in the keV X-ray Regime from Mid-Infrared Femtosecond Lasers
Tenio Popmintchev,Ming-Chang Chen,Dimitar Popmintchev,Paul Arpin,Susannah Brown,Skirmantas Alisauskas,Giedrius Andriukaitis,Tadas Balciunas,Oliver D. Mücke,Audrius Pugzlys,Andrius Baltuška,Bonggu Shim,Samuel E. Schrauth,Alexander L. Gaeta,Carlos Hernandez-Garcia,Luis Plaja,Andreas Becker,Agnieszka Jaron-Becker,Margaret M. Murnane,Henry C. Kapteyn +19 more
TL;DR: By guiding a mid-infrared femtosecond laser in a high-pressure gas, ultrahigh harmonics can be generated that emerge as a bright supercontinuum that spans the entire electromagnetic spectrum from the ultraviolet to more than 1.6 kilo–electron volts, allowing, in principle, the generation of pulses as short as 2.5 attoseconds.
Journal ArticleDOI
The attosecond nonlinear optics of bright coherent X-ray generation
TL;DR: In this paper, the Roentgen X-ray tube was used for high-order harmonic generation with small-scale femtosecond laser technology, which combines the microscopic attosecond science of atoms driven by intense laser fields with the macroscopic extreme nonlinear optics of phase matching.
Journal ArticleDOI
Bright, Coherent, Ultrafast Soft X-Ray Harmonics Spanning the Water Window from a Tabletop Light Source
Ming-Chang Chen,Paul Arpin,Tenio Popmintchev,Michael Gerrity,Bosheng Zhang,Matthew D. Seaberg,Dimitar Popmintchev,Margaret M. Murnane,Henry C. Kapteyn +8 more
TL;DR: This work extends bright, spatially coherent, attosecond pulses into the soft x-ray region for the first time and generates the broadest bright coherent bandwidth to date from any light source, small or large, that is consistent with a single subfemtosecond burst.
Journal ArticleDOI
Photosynthetic light harvesting: excitons and coherence
TL;DR: This review discusses how quantum coherence manifests in photosynthetic light harvesting and its implications, and examines the concept of an exciton, an excited electronic state delocalized over several spatially separated molecules, which is the most widely available signature of Quantum coherence in light harvesting.
Journal ArticleDOI
Direct Visualization of Laser-Driven Electron Multiple Scattering and Tunneling Distance in Strong-Field Ionization
Daniel D. Hickstein,Predrag Ranitovic,Stefan Witte,Stefan Witte,Xiao-Min Tong,Y. Huismans,Paul Arpin,Xibin Zhou,K. Ellen Keister,Craig W. Hogle,Bosheng Zhang,Chengyuan Ding,Per Johnsson,Nobuyuki Toshima,Marc J. J. Vrakking,Margaret M. Murnane,Henry C. Kapteyn +16 more
TL;DR: This work shows that the experimental photoelectron angular distributions resulting from laser ionization of xenon and argon display prominent structures that correspond to electrons that pass by their parent ion more than once before strongly scattering.