Extreme THz nonlinearities in bulk and nanostructured semiconductors

A. Sell, A. A. Anappara, T. Kampfrath, K. Von Volkmann, M. Wolf, J. T. Steiner, M. Kira, Stephan W Koch, G. Biasiol, L. Sorba, A. Tredicucci, A. Leitenstorfer, R. Huber

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Phase-locked electromagnetic transients in the terahertz (THz) spectral domain have become a unique contact-free probe of the femtosecond dynamics of low-energy excitations in semiconductors. Access to their nonlinear response, however, has been limited by a shortage of sufficiently intense THz emitters. Here we introduce a novel high-field source for THz transients featuring peak amplitudes of up to 108 MV/cm. This facility allows us to explore the non-perturbative response of semiconductors to intense fields tailored with sub-cycle precision. In a first experiment intense transients drive Rabi-oscillations between excitonic states in Cu2O, implying exciting perspectives for future THz quantum optics. At electric fields beyond 10 MV/cm, we observe the breakdown of the power expansion of the nonlinear polarization in bulk semiconductors. Furthermore, we employ the intense magnetic field components of our transients to coherently control spin waves in antiferromagnetically ordered solids. Finally, intersubband cavity polaritons in semiconductor microcavities are exploited to push light-matter coupling to an unprecedented ultrastrong and sub-cycle regime.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume7600
DOIs
StatePublished - 2010
Externally publishedYes
EventUltrafast Phenomena in Semiconductors and Nanostructure Materials XIV - San Francisco, CA, United States
Duration: Jan 24 2010Jan 27 2010

Other

OtherUltrafast Phenomena in Semiconductors and Nanostructure Materials XIV
CountryUnited States
CitySan Francisco, CA
Period1/24/101/27/10

Fingerprint

Semiconductors
Extremes
nonlinearity
Nonlinearity
Semiconductor materials
Quantum optics
Cycle
Spin Waves
Quantum Optics
Microcavity
cycles
Spin waves
Microcavities
Femtosecond
quantum optics
Excitation energy
Nonlinear Response
Shortage
polaritons
magnons

Keywords

  • Coherent control
  • Extreme nonlinearities
  • Field resolved measurements
  • High field terahertz

ASJC Scopus subject areas

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Sell, A., Anappara, A. A., Kampfrath, T., Von Volkmann, K., Wolf, M., Steiner, J. T., ... Huber, R. (2010). Extreme THz nonlinearities in bulk and nanostructured semiconductors. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 7600). [76001S] https://doi.org/10.1117/12.840959

Extreme THz nonlinearities in bulk and nanostructured semiconductors. / Sell, A.; Anappara, A. A.; Kampfrath, T.; Von Volkmann, K.; Wolf, M.; Steiner, J. T.; Kira, M.; Koch, Stephan W; Biasiol, G.; Sorba, L.; Tredicucci, A.; Leitenstorfer, A.; Huber, R.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7600 2010. 76001S.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sell, A, Anappara, AA, Kampfrath, T, Von Volkmann, K, Wolf, M, Steiner, JT, Kira, M, Koch, SW, Biasiol, G, Sorba, L, Tredicucci, A, Leitenstorfer, A & Huber, R 2010, Extreme THz nonlinearities in bulk and nanostructured semiconductors. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 7600, 76001S, Ultrafast Phenomena in Semiconductors and Nanostructure Materials XIV, San Francisco, CA, United States, 1/24/10. https://doi.org/10.1117/12.840959
Sell A, Anappara AA, Kampfrath T, Von Volkmann K, Wolf M, Steiner JT et al. Extreme THz nonlinearities in bulk and nanostructured semiconductors. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7600. 2010. 76001S https://doi.org/10.1117/12.840959
Sell, A. ; Anappara, A. A. ; Kampfrath, T. ; Von Volkmann, K. ; Wolf, M. ; Steiner, J. T. ; Kira, M. ; Koch, Stephan W ; Biasiol, G. ; Sorba, L. ; Tredicucci, A. ; Leitenstorfer, A. ; Huber, R. / Extreme THz nonlinearities in bulk and nanostructured semiconductors. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7600 2010.
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AU - Wolf, M.

AU - Steiner, J. T.

AU - Kira, M.

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