Search Results - "Maas, D J H C"

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…”
Get full text

Dual-comb spectroscopy of water vapor with a free-running semiconductor disk laser by Link, S. M., Maas, D. J. H. C., Waldburger, D., Keller, U.

“…Dual-comb spectroscopy offers the potential for high accuracy combined with fast data acquisition. Applications are often limited, however, by the complexity…”
Get full text

On the design of electrically pumped vertical-external-cavity surface-emitting lasers by Kreuter, P., Witzigmann, B., Maas, D.J.H.C., Barbarin, Y., Südmeyer, T., Keller, U.

“…Vertical-external-cavity surface-emitting lasers (VECSELs) yield an excellent beam quality in conjunction with a scalable output power. This paper presents a…”
Get full text

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…”
Get full text

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…”
Get full text

Growth parameter optimization for fast quantum dot SESAMs by Maas, D J H C, Bellancourt, A-R, Hoffmann, M, Rudin, B, Barbarin, Y, Golling, M, Südmeyer, T, Keller, U

“…Semiconductor saturable absorber mirrors (SESAMs) using quantum dot (QD) absorbers exhibit a larger design freedom than standard quantum well absorbers. The…”
Get full text

Femtosecond thin disk laser oscillator with pulse energy beyond the 10-microjoule level by Marchese, S V, Baer, C R E, Engqvist, A G, Hashimoto, S, Maas, D J H C, Golling, M, Südmeyer, T, Keller, U

“…We report on a passively mode-locked Yb:YAG thin disk laser oscillator that generates 11.3-microJ pulses without the use of any additional external…”
Get full text

Towards wafer-scale integration of high repetition rate passively mode-locked surface-emitting semiconductor lasers by LORENSER, D, UNOLD, H. J, MAAS, D. J. H. C, ASCHWANDEN, A, GRANGE, R, PASCHOTTA, R, EBLING, D, GINI, E, KELLER, U

“…One of the most application-relevant milestones that remain to be achieved in the field of passively mode-locked surface-emitting semiconductor lasers is the…”
Get full text

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…”
Get full text

Multiparameter sensing of paper sheets using terahertz time-domain spectroscopy: Caliper, fiber orientation, moisture, and the role of spatial inhomogeneity by Merbold, H., Maas, D. J. H. C., van Mechelen, J. L. M.

“…Terahertz radiation is used to sense multiple parameters in paper and cardboard sheets. The work advances from previous results by (i) using a stratified…”
Get full text

Modelocked integrated external-cavity surface emitting laser (MIXSEL) with output power up to 660 mW and repetition rate up to 10 GHz by Rudin, B, Wittwer, V J, Maas, D J H C, Barbarin, Y, Golling, M, Südmeyer, T, Keller, U

“…We present an advanced MIXSEL, a VECSEL with integrated saturable absorber. Improved thermal management by substrate removal substantially increased the power…”
Get full text

Simulation, design, and characterization of electrically-pumped VECSELs for future passive modelocking by Hoffmann, M, Barbarin, Y, Pallmann, W P, Maas, D J H C, Kreuter, P, Witzigmann, B, Golling, M, Südmeyer, T, Keller, U

“…An ultrafast electrically-pumped VECSEL design requires an acceptable trade-off in cw output power. Validating our design guidelines and simulations 120 mW cw…”
Get full text

Efficient femtosecond high power Yb:Lu_2O_3 thin disk laser by Marchese, S. V., Baer, C. R. E., Peters, R., Kränkel, C., Engqvist, A. G., Golling, M., Maas, D. J. H. C., Petermann, K., Südmeyer, T., Huber, G., Keller, U.

Get full text

10-GHz MIXSEL: An integrated ultrafast semiconductor disk laser with 2.2 W average power by Wittwer, V. J., Rudin, B., Maas, D. J. H. C., Hoffmann, M., Sieber, O. D., Barbarin, Y., Golling, M., Sudmeyer, T., Keller, U.

“…We present a 10-GHz Modelocked Integrated External-Cavity Surface Emitting Laser (MIXSEL) with 2.2 W average power in 21-ps pulses, which is the highest power…”
Get full text

A Breakthrough Industrial THz Application: Robust In-Situ THz-Based Paint Layer Monitoring by Maas, D.J.H.C., Frank, A., Van Mechelen, J. L. M

“…We present a THz paint analyzer for measuring wet and dry paint multilayers insensitive to surface curvatures and vibrations. The layers can be measured…”
Get full text

Gas spectroscopy with a free-running dual-comb semiconductor disk laser by Link, S. M., Maas, D. J. H. C., Waldburger, D., Keller, U.

“…Summary form only given. Dual-comb spectroscopy [1] combines extremely high measurement precision with very fast data acquisition. However, the expensive and…”
Get full text

Paper sheet parameter determination using terahertz spectroscopy by van Mechelen, J. L. M., Maas, D. J. H. C., Merbold, H.

“…Using THz spectroscopy, we show how to uniquely determine parameters for industrial quality control of paper sheets. We carry out measurements within the…”
Get full text

Low saturation fluence antiresonant quantum dot SESAMs for MIXSEL integration by Barbarin, Y., Bellancourt, A.-R., Maas, D.J.H.C., Shafiei, M., Hoffmann, M., Golling, M., Sudmeyer, T., Keller, U.

“…A detailed QD-SESAM growth study enabled the first modelocking of a VECSEL with similar spot size on gain and antiresonant SESAM. Antiresonant designs can…”
Get full text

Gas spectroscopy with a dual-comb semiconductor disk laser by Link, S. M., Maas, D. J. H. C., Waldburger, D., Alfieri, C. G. E., Golling, M., Emaury, F., Keller, U.

“…For the first time, we use a stabilized dual-comb modelocked semiconductor disk laser to perform dual-comb spectroscopy. A water vapor absorption spectrum…”
Get full text

Efficient femtosecond high power Yb:Lu(2)O(3) thin disk laser by Marchese, S V, Baer, C R E, Peters, R, Kränkel, C, Engqvist, A G, Golling, M, Maas, D J H C, Petermann, K, Südmeyer, T, Huber, G, Keller, U

“…We demonstrate the first passively mode-locked thin disk laser based on Yb:Lu(2)O(3). The laser generates 370-fs pulses with 20.5 W of average power in a…”
Get full text