Search Results - "Sudmeyer, T."

Absolute frequency referencing for swept dual-comb spectroscopy with midinfrared quantum cascade lasers by Komagata, K. N., Wittwer, V. J., Südmeyer, T., Emmenegger, L., Gianella, M.

“…Quantum cascade laser (QCL) frequency combs have revolutionized midinfrared (MIR) spectroscopy by their high brightness and fast temporal resolution, and are a…”
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High harmonic generation in a gas-filled hollow-core photonic crystal fiber by Heckl, O. H., Baer, C. R. E., Kränkel, C., Marchese, S. V., Schapper, F., Holler, M., Südmeyer, T., Robinson, J. S., Tisch, J. W. G., Couny, F., Light, P., Benabid, F., Keller, U.

“…High harmonic generation (HHG) of intense infrared laser radiation (Ferray et al., J. Phys. B: At. Mol. Opt. Phys. 21:L31, 1988 ; McPherson et al., J. Opt…”
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Vertical integration of ultrafast semiconductor lasers by MAAS, D. J. H. C, BELLANCOURT, A.-R, RUDIN, B, GOLLING, M, UNOLD, H. J, SUDMEYER, T, KELLER, U

“…Lasers generating short pulses -- referred to as ultrafast lasers -- enable many applications in science and technology. Numerous laboratory experiments have…”
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Thermal analysis and efficient high power continuous-wave and mode-locked thin disk laser operation of Yb-doped sesquioxides by Peters, R., Kränkel, C., Fredrich-Thornton, S. T., Beil, K., Petermann, K., Huber, G., Heckl, O. H., Baer, C. R. E., Saraceno, C. J., Südmeyer, T., Keller, U.

“…We report on thermal conductivity analysis and thin disk laser power scaling of Yb:Lu 2 O 3 , Yb:Sc 2 O 3 , and Yb:LuScO 3 . Using a volume Bragg-grating…”
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Timing Jitter Characterization of a Free-Running SESAM Mode-locked VECSEL by Wittwer, V. J., Zaugg, C. A., Pallmann, W. P., Oehler, A. E. H., Rudin, B., Hoffmann, M., Golling, M., Barbarin, Y., Sudmeyer, T., Keller, U.

“…We present timing jitter measurements of an InGaAs quantum well vertical external cavity surface emitting laser (VECSEL) passively mode locked with a quantum…”
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A Kerr polarization controller by Moroney, N., Del Bino, L., Zhang, S., Woodley, M. T. M., Hill, L., Wildi, T., Wittwer, V. J., Südmeyer, T., Oppo, G.-L., Vanner, M. R., Brasch, V., Herr, T., Del’Haye, P.

“…Kerr-effect-induced changes of the polarization state of light are well known in pulsed laser systems. An example is nonlinear polarization rotation, which is…”
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Thin-disk lasers for multi-100-W average power frequency combs: Challenges and analysis by Diebold, A., Emaury, F., Klenner, A., Saraceno, C. J., Schilt, S., Sudmeyer, T., Keller, U.

“…We compare the noise characteristics and cavity dynamics of a CEO-stabilized 80-fs Yb:CALGO SESAM-modelocked thin-disk-laser (TDL) and a 140-W SESAM-modelocked…”
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Modelocked quantum dot vertical external cavity surface emitting laser by Hoffmann, M., Barbarin, Y., Maas, D. J. H. C., Golling, M., Krestnikov, I. L., Mikhrin, S. S., Kovsh, A. R., Südmeyer, T., Keller, U.

“…We report the first successful modelocking of a vertical external cavity surface emitting laser (VECSEL) with a quantum dot (QD) gain region. The VECSEL has a…”
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Near-Infrared Optical Illumination for Injection Locking in Quantum Cascade Lasers by Bertrand, M., Parriaux, A., Komagata, K. N., Sudmeyer, T., Faist, J.

“…Since their first demonstration in 1994 [1], quantum cascade lasers (QCL) have shown great potential for many applications and more recently, it was also…”
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Optimized SESAMs for kilowatt-level ultrafast lasers by Diebold, A, Zengerle, T, Alfieri, C G E, Schriber, C, Emaury, F, Mangold, M, Hoffmann, M, Saraceno, C J, Golling, M, Follman, D, Cole, G D, Aspelmeyer, M, Südmeyer, T, Keller, U

“…We present a thorough investigation of surface deformation and thermal properties of high-damage threshold large-area semiconductor saturable absorber mirrors…”
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SESAMs for High-Power Oscillators: Design Guidelines and Damage Thresholds by Saraceno, C. J., Schriber, C., Mangold, M., Hoffmann, M., Heckl, O. H., Baer, C. R., Golling, M., Südmeyer, T., Keller, U.

“…We present for the first time to the best of our knowledge a systematic study of lifetime and damage of semiconductor saturable absorber mirrors (SESAMs)…”
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Tight-Locking Mid-Infrared Quantum Cascade Frequency Combs by Near-Infrared Light Injection by Komagata, K. N., Parriaux, A., Hillbrand, J., Wittwer, V. J., Faist, J., Sudmeyer, T.

“…We demonstrate the tight-lock of a mid-infrared quantum cascade laser frequency comb by near-infrared light modulation. Our result, improved mutual coherence…”
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Green-diode-pumped femtosecond Ti:Sapphire laser with up to 450 mW average power by Gürel, K, Wittwer, V J, Hoffmann, M, Saraceno, C J, Hakobyan, S, Resan, B, Rohrbacher, A, Weingarten, K, Schilt, S, Südmeyer, T

“…We investigate power-scaling of green-diode-pumped Ti:Sapphire lasers in continuous-wave (CW) and mode-locked operation. In a first configuration with a total…”
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A detailed experimental study of frequency noise in mid-infrared distributed feedback quantum cascade lasers by Schilt, S., Tombez, L., Blaser, S., Terazzi, R., Tardy, C., Maulini, R., Bismuto, A., Gresch, T., Rochat, M., Muller, A., Sudmeyer, T.

“…Flicker noise was studied in a set of 20 QCLs at 7-8 μm, showing significant differences among the devices and the probable existence of various noise sources…”
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300-mW average power in 22-fs pulses from a multi-mode diode pumped Yb:CALGO oscillator by Trawi, F., Drs, J., Müller, M., Hamrouni, M., Wittwer, V.J., Südmeyer, T.

“…We present a multi-mode diode-pumped Yb:CALGO laser oscillator based on cross-polarization pumping. Using this method, we demonstrate 22-fs pulses at 0.3 W,…”
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Absolute frequency referencing in the long wave infrared using a quantum cascade laser frequency comb by Komagata, K N, Gianella, M, Jouy, P, Kapsalidis, F, Shahmohammadi, M, Beck, M, Matthey, R, Wittwer, V J, Hugi, A, Faist, J, Emmenegger, L, Südmeyer, T, Schilt, S

“…Optical frequency combs (OFCs) based on quantum cascade lasers (QCLs) have transformed mid-infrared spectroscopy. However, QCL-OFCs have not yet been exploited…”
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High-power optically pumped femtosecond VECSELs by Mangold, M., Sieber, O. D., Wittwer, V. J., Hoffmann, M., Golling, M., Sudmeyer, T., Keller, U.

“…We have recently demonstrated 1 W average output power from a sub-picosecond VECSEL. New simulations are based entirely on measured parameters, confirm our…”
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High precision optical characterization of semiconductor saturable absorber mirrors by Maas, D J, Rudin, B, Bellancourt, A-R, Iwaniuk, D, Marchese, S V, Südmeyer, T, Keller, U

“…Semiconductor saturable absorber mirrors (SESAMs) have become a key element of many ultrafast laser sources, enabling passively modelocked lasers with >100 GHz…”
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Efficient gigahertz femtosecond Yb:KGW laser with 2.2-W average power generates octave-spanning supercontinuum by Pekarek, S., Fiebig, C., Paschke, K., Erbert, G., Sudmeyer, T., Keller, U.

“…We present a 1-GHz Yb:KGW laser with 2.2-W average power and 38% optical-to-optical efficiency. The 290-fs pulses with 6.7-kW peak power generate an…”
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High-power MIXSEL: an integrated ultrafast semiconductor laser with 6.4 W average power by Rudin, B, Wittwer, V J, Maas, D J H C, Hoffmann, M, Sieber, O D, Barbarin, Y, Golling, M, Südmeyer, T, Keller, U

“…High-power ultrafast lasers are important for numerous industrial and scientific applications. Current multi-watt systems, however, are based on relatively…”
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