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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…
Self-focusing and self-compression of intense pulses via ionization-induced spatiotemporal reshaping
Xiaohui Gao, Bonggu Shim
Ionization is a fundamental process in intense laser-matter interactions, and is known to cause plasma defocusing and intensity clamping. Here, we investigate theoretically the pro…
Multi-Octave Supercontinuum Generation and Frequency Conversion based on Rotational
John E. Beetar, M. Nrisimhamurty, Tran-Chau Truong +6
The field of attosecond science was first enabled by nonlinear compression of intense laser pulses to a duration below two optical cycles. Twenty years later, creating such short p…
Modelocking and Femtosecond Pulse Generation in Chip-Based Frequency Combs
Kasturi Saha, Yoshitomo Okawachi, Bonggu Shim +7
Development of ultrashort pulse sources has had an immense impact on condensed-matter physics, biomedical imaging, high-field physics, frequency metrology, telecommunications, nonl…