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First demonstration of high harmonic generation (HHG) in a hollow-core photonic crystal fiber
(2009)2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science ConferenceWe report the first HHG in a hollow-core photonic crystal fiber. We generate the 7 th -13 th harmonic of ap800 nm in xenon. The extremely low threshold of 0.4 muJ would be achievable by multimegahertz solid-state lasers.Other Conference Item -
1 µJ from a high repetition rate femtosecond optical parametric chirped-pulse amplifier in the mid-infrared
(2009)2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science ConferenceWe demonstrate a mid-infrared optical parametric chirped-pulse amplifier with a pulse energy of 1 muJ at 100 kHz repetition rate. Its output is compressed to 92 fs by a prism compressor and characterized by SHG-FROG.Other Conference Item -
100 GHz passively mode-locked Er:Yb:glass laser at 1.5 mu m and identification of transverse cavity-mode degeneracies
(2009)2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science ConferenceA fundamentally mode-locked Er:Yb:glass laser with a record high repetition rate of 101 GHz generates 30 mW average power in 1.1-ps pulses in the 1.5-mum telecom window. Frequency degeneracies of transverse cavity-modes are investigated.Other Conference Item -
Quantum path interferences in high-harmonic generation: Ionization effects and spatial structure
(2009)2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science ConferenceWe investigate the influence of microscopic and macroscopic ionization effects on the intensity-dependent quantum-path interferences in high-harmonic generation. The resulting interference structures were analyzed in different gases and in spatially resolved harmonic spectra.Other Conference Item -
Shortest pulse duration of mode-locked thin disk lasers: Ultrafast Yb:LuScO3 laser generates 227-fs pulses
(2009)2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science ConferenceThe first mode-locked Yb:LuScO 3 thin disk laser generates 7.2 W average power in 227-fs pulses, which are the shortest pulses obtained from any ultrafast thin disk laser. 10.1 W average power were achieved at longer pulse durations.Other Conference Item -
Laser induced tunneling in less than 12 attoseconds: Instantaneous or invalid concept?
(2009)2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science ConferenceWe use attosecond angular streaking to place an intensity-averaged upper limit of 12 attoseconds on the tunneling delay time in strong field ionization of helium. This is far shorter than most tunneling times discussed before.Other Conference Item -
Attosecond angular streaking: an ideal technique to measure an electron tunneling time?
(2009)Springer Series in Chemical PhysicsOther Conference Item -
Study of quantum-path interferences in the high harmonic generation process.
(2009)Springer Series in Chemical PhysicsOther Conference Item -
All Quantum Dot Modelocked Vertical External Cavity Surface Emitting Laser
(2009)2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science ConferenceWe report the first entirely quantum-dot-based SESAM-modelocked VECSEL, using quantum-dot layers for gain and absorber. We obtain 22 mW average output power at 1053 nm wavelength in 10-ps pulses with 2.54 GHz repetition rate.Other Conference Item -
Intense CEO-stabilized few-cycle laser pulses from supercontinuum generation in filaments
(2004)Other Conference Item