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GHz Yb:KYW oscillators in time-resolved spectroscopy

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2018

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Schmidt, Johannes
Winnerl, Stephan

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https://doi.org/10.1117/12.2297568
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CLARKSON, Andrew W., ed. and others. Solid State Lasers XXVII : Technology and Devices. Bellingham, Washington: SPIE, 2018, 10511-89. Proceedings of SPIE. 10511. ISSN 0277-786X. eISSN 1996-756X. ISBN 978-1-5106-1507-6. Available under: doi: 10.1117/12.2297568

Zusammenfassung

A high-speed asynchronous optical sampling system (ASOPS) based on Yb:KYW oscillators with 1-GHz repetition rate is reported. Two frequency-offset-stabilized diode-pumped Yb:KYW oscillators are employed as pump and probe source, respectively. The temporal resolution of this system within 1-ns time window is limited to 500 fs and the noise floor around 10-6 (ΔR/R) close to the shot-noise level is obtained within an acquisition time of a few seconds. Coherent acoustic phonons are investigated by measuring multilayer semiconductor structures with multiple quantum wells and aluminum/silicon membranes in this ASOPS system. A wavepacket-like phonon sequence at 360 GHz range is detected in the semiconductor structures and a decaying sequence of acoustic oscillations up to 200 GHz is obtained in the aluminum/silicon membranes. Coherent acoustic phonons generated from semiconductor structures are further manipulated by a double pump scheme through pump time delay control.

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530 Physik

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Solid State Lasers XXVII : Technology and Devices, 29. Jan. 2018 - 1. Feb. 2018, San Francisco, California
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ISO 690LI, Changxiu, Nico KRAUSS, Gerhard SCHÄFER, Lukas EBNER, Oliver KLIEBISCH, Johannes SCHMIDT, Stephan WINNERL, Mike HETTICH, Thomas DEKORSY, 2018. GHz Yb:KYW oscillators in time-resolved spectroscopy. Solid State Lasers XXVII : Technology and Devices. San Francisco, California, 29. Jan. 2018 - 1. Feb. 2018. In: CLARKSON, Andrew W., ed. and others. Solid State Lasers XXVII : Technology and Devices. Bellingham, Washington: SPIE, 2018, 10511-89. Proceedings of SPIE. 10511. ISSN 0277-786X. eISSN 1996-756X. ISBN 978-1-5106-1507-6. Available under: doi: 10.1117/12.2297568
BibTex
@inproceedings{Li2018-03-01YbKYW-45135,
  year={2018},
  doi={10.1117/12.2297568},
  title={GHz Yb:KYW oscillators in time-resolved spectroscopy},
  number={10511},
  isbn={978-1-5106-1507-6},
  issn={0277-786X},
  publisher={SPIE},
  address={Bellingham, Washington},
  series={Proceedings of SPIE},
  booktitle={Solid State Lasers XXVII : Technology and Devices},
  editor={Clarkson, Andrew W.},
  author={Li, Changxiu and Krauß, Nico and Schäfer, Gerhard and Ebner, Lukas and Kliebisch, Oliver and Schmidt, Johannes and Winnerl, Stephan and Hettich, Mike and Dekorsy, Thomas},
  note={Article Number: 10511-89}
}
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