Search Results - "KÄRTNER, F. X"

Vanishing carrier-envelope-phase-sensitive response in optical-field photoemission from plasmonic nanoantennas by Keathley, P. D., Putnam, W. P., Vasireddy, P., Hobbs, R. G., Yang, Y., Berggren, K. K., Kärtner, F. X.

“…At the surfaces of nanostructures, enhanced electric fields can drive optical-field photoemission and thereby generate and control electrical currents at…”
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Polarization-state-resolved high-harmonic spectroscopy of solids by Klemke, N., Tancogne-Dejean, N., Rossi, G. M., Yang, Y., Scheiba, F., Mainz, R. E., Di Sciacca, G., Rubio, A., Kärtner, F. X., Mücke, O. D.

“…Attosecond metrology sensitive to sub-optical-cycle electronic and structural dynamics is opening up new avenues for ultrafast spectroscopy of condensed…”
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Volkov transform generalized projection algorithm for attosecond pulse characterization by Keathley, P D, Bhardwaj, S, Moses, J, Laurent, G, Kärtner, F X

“…An algorithm for characterizing attosecond extreme ultraviolet pulses that is not bandwidth-limited, requires no interpolation of the experimental data, and…”
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Intense superradiant x rays from a compact source using a nanocathode array and emittance exchange by Graves, W S, Kärtner, F X, Moncton, D E, Piot, P

“…A novel method of producing intense short wavelength radiation from relativistic electrons is described. The electrons are periodically bunched at the…”
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Complete phase retrieval of photoelectron wavepackets by Pedrelli, L, Keathley, P D, Cattaneo, L, Kärtner, F X, Keller, U

“…Coherent, broadband pulses of extreme ultraviolet light provide a new and exciting tool for exploring attosecond electron dynamics. Using photoelectron…”
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Compact x-ray source based on burst-mode inverse Compton scattering at 100 kHz by Graves, W. S., Bessuille, J., Brown, P., Carbajo, S., Dolgashev, V., Hong, K.-H., Ihloff, E., Khaykovich, B., Lin, H., Murari, K., Nanni, E. A., Resta, G., Tantawi, S., Zapata, L. E., Kärtner, F. X., Moncton, D. E.

“…A design for a compact x-ray light source (CXLS) with flux and brilliance orders of magnitude beyond existing laboratory scale sources is presented. The source…”
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Cascaded interactions mediated by terahertz radiation by Hemmer, M, Cirmi, G, Ravi, K, Reichert, F, Ahr, F, Zapata, L, Mücke, O D, Calendron, A-L, Çankaya, H, Schimpf, D, Matlis, N H, Kärtner, F X

“…We investigate a regime of parametric amplification in which the pump and signal waves are spectrally separated by only a few hundreds of GHz frequency -…”
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Synchronous acceleration with tapered dielectric-lined waveguides by Lemery, F., Floettmann, K., Piot, P., Kärtner, F. X., Aßmann, R.

“…We present a general concept to accelerate nonrelativistic charged particles. Our concept employs an adiabatically-tapered dielectric-lined waveguide which…”
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Evidence for third-harmonic generation in disguise of second-harmonic generation in extreme nonlinear optics by Tritschler, T, Mücke, O D, Wegener, M, Morgner, U, Kärtner, F X

“…In contrast with traditional nonlinear optics, a peak at the spectral position of the second harmonic of a laser can also be generated in an…”
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Role of the carrier-envelope offset phase of few-cycle pulses in nonperturbative resonant nonlinear optics by Mücke, O D, Tritschler, T, Wegener, M, Morgner, U, Kärtner, F X

“…We study the influence of the carrier-envelope offset phase of few-cycle pulses on nonperturbative resonant extreme nonlinear optics in a semiconductor. If the…”
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Nonlinear optics with phase-controlled pulses in the sub-two-cycle regime by Morgner, U, Ell, R, Metzler, G, Schibli, T R, Kärtner, F X, Fujimoto, J G, Haus, H A, Ippen, E P

“…Nonlinear optical effects due to the phase between carrier and envelope are observed with 5 fs pulses from a Kerr-lens mode-locked Ti:sapphire laser. These…”
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All fiber-coupled, long-term stable timing distribution for free-electron lasers with few-femtosecond jitter by Şafak, K, Xin, M, Callahan, P T, Peng, M Y, Kärtner, F X

“…We report recent progress made in a complete fiber-optic, high-precision, long-term stable timing distribution system for synchronization of next generation…”
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Signatures of carrier-wave Rabi flopping in GaAs by Mücke, O D, Tritschler, T, Wegener, M, Morgner, U, Kärtner, F X

“…For excitation of the model semiconductor GaAs with optical pulses which are both extremely short ( 5 fs) and extremely intense ( approximately 10(12) W…”
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Precise parameter control of multicycle terahertz generation in PPLN using flexible pulse trains by Matlis, N H, Zhang, Z, Demirbas, U, Rentschler, C, Ravi, K, Youssef, M, Cirmi, G, Pergament, M, Edelmann, M, Mohamadi, S M, Reuter, S, Kärtner, F X

“…The low (sub %) efficiencies so-far demonstrated for nonlinear optical down-conversion to terahertz (THz) frequencies are a primary limiting factor in the…”
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Soliton mode-locking with saturable absorbers by Kartner, F.X., Jung, I.D., Keller, U.

“…We investigate ultrashort pulse generation based on the fundamental soliton generation that is stabilized by a saturable absorber. The case of an absorber with…”
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Frequency-comb-based laser system producing stable optical beat pulses with picosecond durations suitable for high-precision multi-cycle terahertz-wave generation and rapid detection by Schimpf, D N, Olgun, H T, Kalaydzhyan, A, Hua, Y, Matlis, N H, Kärtner, F X

“…We generate temporally modulated optical pulses with a beat frequency of 255 GHz, a duration of 360 ps, and a repetition rate of 2 MHz. The temporal envelope,…”
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Pre-chirp managed, core-pumped nonlinear PM fiber amplifier delivering sub-100-fs and high energy (10 nJ) pulses with low noise by Hua, Y, Chang, G, Kärtner, F X, Schimpf, D N

“…We demonstrate a pre-chirp managed amplification (PCMA) system that is based on two stages of core-pumped, polarization maintaining (PM) fiber amplifiers. It…”
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Mode-locked pulses from mid-infrared quantum cascade lasers by Wang, Christine Y, Kuznetsova, Lyuba, Gkortsas, V M, Diehl, L, Kärtner, F X, Belkin, M A, Belyanin, A, Li, X, Ham, D, Schneider, H, Grant, P, Song, C Y, Haffouz, S, Wasilewski, Z R, Liu, H C, Capasso, Federico

“…In this study, we report the unequivocal demonstration of midinfrared mode-locked pulses from quantum cascade lasers. The train of short pulses was generated…”
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Multicycle Terahertz Generation Using High-Energy Pulse Trains by Rentschler, C., Zhang, Z., Demirbas, U., Ravi, K., Pergament, M., Matlis, N. H., Kartner, F. X.

“…Frequency conversion in nonlinear crystals is a well-established method to provide narrowband, multicycle terahertz (THz) radiation for applications requiring…”
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Interferometric spectral-shaping for multicycle THz generation using the Chirp & Delay technique by Matlis, N. H., Hemmer, M., Hua, Y., Kartner, F. X.

“…Intense multicycle THz pulse generation has become possible using the chirp & delay technique with high-energy, broadband laser systems, but has so far been…”
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