Subcycle Optical Response Caused by a Terahertz Dressed State with Phase-Locked Wave Functions

K. Uchida, T. Otobe, T. Mochizuki, C. Kim, M. Yoshita, H. Akiyama, L. N. Pfeiffer, K. W. West, K. Tanaka, and H. Hirori
Phys. Rev. Lett. 117, 277402 – Published 30 December 2016
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Abstract

The coherent interaction of light with matter imprints the phase information of the light field on the wave function of the photon-dressed electronic state. A driving electric field, together with a stable phase that is associated with the optical probe pulses, enables the role of the dressed state in the optical response to be investigated. We observed optical absorption strengths modulated on a subcycle time scale in a GaAs quantum well in the presence of a multicycle terahertz driving pulse using a near-infrared probe pulse. The measurements were in good agreement with the analytical formula that accounts for the optical susceptibilities caused by the dressed state of the excitons, which indicates that the output probe intensity was coherently reshaped by the excitonic sideband emissions.

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  • Received 8 July 2016

DOI:https://doi.org/10.1103/PhysRevLett.117.277402

© 2016 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

K. Uchida1,2, T. Otobe3, T. Mochizuki4, C. Kim5, M. Yoshita5, H. Akiyama5, L. N. Pfeiffer6, K. W. West6, K. Tanaka1,2, and H. Hirori1,7,*

  • 1Institute for Integrated Cell-Material Sciences (WPI-iCeMS), Kyoto University, Sakyo-ku, Kyoto 606-8501, Japan
  • 2Department of Physics, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan
  • 3Kansai Photon Science Institute, National Institutes for Quantum and Radiological Science and Technology, Kizugawa, Kyoto 619-0615, Japan
  • 4Fukushima Renewable Energy Institute, National Institute of Advanced Industrial Science and Technology, Koriyama, Fukushima 963-0298, Japan
  • 5Institute for Solid State Physics, the University of Tokyo, and JST-CREST, Kashiwa, Chiba 277-8581, Japan
  • 6Department of Electrical Engineering, Princeton University, Princeton, New Jersey 08544, USA
  • 7Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency, Kawaguchi, Saitama 332-0012, Japan

  • *hirori@icems.kyoto-u.ac.jp

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Issue

Vol. 117, Iss. 27 — 30 December 2016

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