Search Results - "Bartels, Albrecht"

A Surface Phase Transition of Supported Gold Nanoparticles by Plech, Anton, Cerna, Roland, Kotaidis, Vassilios, Hudert, Florian, Bartels, Albrecht, Dekorsy, Thomas

“…A thermal phase transition has been resolved in gold nanoparticles supported on a surface. By use of asynchronous optical sampling with coupled femtosecond…”
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Coherent Zone-Folded Longitudinal Acoustic Phonons in Semiconductor Superlattices: Excitation and Detection by Bartels, Albrecht, Dekorsy, Thomas, Kurz, Heinrich, Köhler, Klaus

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Coherent control of acoustic phonons in semiconductor superlattices by Bartels, Albrecht, Dekorsy, Thomas, Kurz, Heinrich, Köhler, Klaus

“…Coherent acoustic phonons are generated in GaAs/AlAs superlattices by excitation with femtosecond laser pulses. Several modes of the acoustic phonon spectrum…”
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Impulsive excitation of phonon-pair combination states by second-order raman scattering by Bartels, A, Dekorsy, T, Kurz, H

“…The excitation of (100)-oriented KTaO3 with 25-fs laser pulses impulsively drives phonon-pair combination states via second-order Raman scattering…”
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Long-term frequency-stabilized optical frequency comb based on a turnkey Ti:sapphire mode-locked laser by Yang, Guang, Shi, Haosen, Yao, Yuan, Yu, Hongfu, Jiang, Yanyi, Bartels, Albrecht, Ma, Longsheng

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10-GHz Self-Referenced Optical Frequency Comb by Bartels, Albrecht, Heinecke, Dirk, Diddams, Scott A

“…The femtosecond laser-based frequency comb has played a key role in high-precision optical frequency metrology for a decade. Although often referred to as a…”
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Visible-Spanning Flat Supercontinuum for Astronomical Applications by Ravi, Aakash, Beck, Matthias, Phillips, David F., Bartels, Albrecht, Sasselov, Dimitar, Szentgyorgyi, Andrew, Walsworth, Ronald L.

“…We demonstrate a broad, flat, visible supercontinuum spectrum that is generated by a dispersion-engineered tapered photonic crystal fiber pumped by a 1 GHz…”
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High-Resolution Terahertz Spectrometer by Klatt, Gregor, Gebs, Raphael, Schäfer, Hanjo, Nagel, Michael, Janke, Christof, Bartels, Albrecht, Dekorsy, Thomas

“…Terahertz time-domain spectroscopy (THz-TDS) based on high-speed asynchronous optical sampling (ASOPS) with two offset-locked GHz femtosecond lasers requires…”
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Offset frequency dynamics and phase noise properties of a self-referenced 10 GHz Ti:sapphire frequency comb by Heinecke, Dirk C, Bartels, Albrecht, Diddams, Scott A

“…This paper shows the experimental details of the stabilization scheme that allows full control of the repetition rate and the carrier-envelope offset frequency…”
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Optical frequency synthesis and comparison with uncertainty at the 10(-19) level by Ma, Long-Sheng, Bi, Zhiyi, Bartels, Albrecht, Robertsson, Lennart, Zucco, Massimo, Windeler, Robert S, Wilpers, Guido, Oates, Chris, Hollberg, Leo, Diddams, Scott A

“…A femtosecond laser-based optical frequency synthesizer is referenced to an optical standard, and we use it to demonstrate the generation and control of the…”
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Frequency Uncertainty for Optically Referenced Femtosecond Laser Frequency Combs by Ma, L.-S., Zhiyi Bi, Bartels, A., Kyoungsik Kim, Robertsson, L., Zucco, M., Windeler, R.S., Wilpers, G., Oates, C., Hollberg, L., Diddams, S.A.

“…We present measurements and analysis of the currently known relative frequency uncertainty of femtosecond laser frequency combs (FLFCs) based on Kerr-lens…”
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Asynchronous sampling for ultrafast experiments with low momentum compaction at the ANKA ring by Ibrahimkutty, Shyjumon, Issenmann, Daniel, Schleef, Stefan, Müller, Anke-Susanne, Mathis, Yves-Laurent, Gasharova, Biliana, Huttel, Erhart, Steininger, Ralph, Göttlicher, Jörg, Baumbach, Tilo, Bartels, Albrecht, Janke, Christof, Plech, Anton

“…A high‐repetition‐rate pump–probe experiment is presented, based on the asynchronous sampling approach. The low‐α mode at the synchrotron ANKA can be used for…”
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Design and control of femtosecond lasers for optical clocks and the synthesis of low-noise optical and microwave signals by Diddams, S.A., Bartels, A., Ramond, T.M., Oates, C.W., Bize, S., Curtis, E.A., Bergquist, J.C., Hollberg, L.

“…This paper describes recent advances in the design and control of femtosecond laser combs for their use in optical clocks and in the synthesis of low-noise…”
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Optical Frequency Synthesis and Comparison with Uncertainty at the 10^sup -19^ Level by Long-Sheng, Ma, Bi, Zhiyi, Bartels, Albrecht, Robertsson, Lennart

“…A femtosecond laser-based optical frequency synthesizer is referenced to an optical standard, and we use it to demonstrate the generation and control of the…”
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Optical Frequency Synthesis and Comparison with Uncertainty at the 10sup -19 Level by Ma, Long-Sheng, Bi, Zhiyi, Bartels, Albrecht, Robertsson, Lennart

“…A femtosecond laser-based optical frequency synthesizer is referenced to an optical standard, and we use it to demonstrate the generation and control of the…”
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Optical Frequency Synthesis and Comparison with Uncertainty at the 10-19Level by Ma, Long-Sheng, Bi, Zhiyi, Bartels, Albrecht, Robertsson, Lennart, Zucco, Massimo, Windeler, Robert S., Wilpers, Guido, Oates, Chris, Hollberg, Leo, Diddams, Scott A.

“…A femtosecond laser-based optical frequency synthesizer is referenced to an optical standard, and we use it to demonstrate the generation and control of the…”
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Optical frequency synthesis and comparison with uncertainty at the [10.sup.-19] level by Ma, Long-Sheng, Bi, Zhiyi, Bartels, Albrecht, Robertsson, Lennart, Zucco, Massimo, Windeler, Robert S, Wilpers, Guido, Oates, Chris, Hollberg, Leo, Diddams, Scott A

“…A femtosecond laser-based optical frequency synthesizer is referenced to an optical standard, and we use it to demonstrate the generation and control of the…”
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Visible-spanning flat supercontinuum for astronomical applications by Ravi, Aakash, Beck, Matthias, Phillips, David F, Bartels, Albrecht, Sasselov, Dimitar, Szentgyorgyi, Andrew, Walsworth, Ronald L

“…Journal of Lightwave Technology, Vol. 36, Issue 22, pp. 5309-5315 (2018) We demonstrate a broad, flat, visible supercontinuum spectrum that is generated by a…”
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Optical frequency synthesis and comparison with uncertainty at the 10-19 level by MA, Long-Sheng, ZHIYI BI, BARTELS, Albrecht, ROBERTSSON, Lennart, ZUCCO, Massimo, WINDELER, Robert S, WITPERS, Guido, OATES, Chris, HOLLBERG, Leo, DIDDAMS, Scott A

“…A femtosecond laser–based optical frequency synthesizer is referenced to an optical standard, and we use it to demonstrate the generation and control of the…”
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International comparisons of femtosecond laser frequency combs by Long-Sheng Ma, Zhiyi Bi, Bartels, A., Robertsson, L., Zucco, M., Windeler, R.S., Wilpers, G., Oates, C., Hollberg, L., Diddams, S.A.

“…Two types of international comparisons of femtosecond laser frequency combs have been performed in France and the USA. Five combs were involved in the…”
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