Coherent detection of THz-induced sideband emission from excitons in the nonperturbative regime

K. Uchida; T. Otobe; T. Mochizuki; C. Kim; M. Yoshita; K. Tanaka; H. Akiyama; L. N. Pfeiffer; K. W. West; H. Hirori

doi:10.1103/PhysRevB.97.165122

Coherent detection of THz-induced sideband emission from excitons in the nonperturbative regime

K. Uchida, T. Otobe, T. Mochizuki, C. Kim, M. Yoshita, K. Tanaka, H. Akiyama, L. N. Pfeiffer, K. W. West, H. Hirori

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Strong interaction of a terahertz (THz) wave with excitons induces nonperturbative optical effects such as Rabi splitting and high-order sideband generation. Here, we investigated coherent properties of THz-induced sideband emissions from GaAs/AlGaAs multiquantum wells. With increasing THz electric field, optical susceptibility of the THz-dressed exciton shows a redshift with spectral broadening and extraordinary phase shift. This implies that the field ionization of the 1s exciton modifies the THz-dressed exciton in the nonperturbative regime.

Original language	English (US)
Article number	165122
Journal	Physical Review B
Volume	97
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevB.97.165122
State	Published - Apr 13 2018
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.97.165122

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abstract = "Strong interaction of a terahertz (THz) wave with excitons induces nonperturbative optical effects such as Rabi splitting and high-order sideband generation. Here, we investigated coherent properties of THz-induced sideband emissions from GaAs/AlGaAs multiquantum wells. With increasing THz electric field, optical susceptibility of the THz-dressed exciton shows a redshift with spectral broadening and extraordinary phase shift. This implies that the field ionization of the 1s exciton modifies the THz-dressed exciton in the nonperturbative regime.",

author = "K. Uchida and T. Otobe and T. Mochizuki and C. Kim and M. Yoshita and K. Tanaka and H. Akiyama and Pfeiffer, {L. N.} and West, {K. W.} and H. Hirori",

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doi = "10.1103/PhysRevB.97.165122",

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T1 - Coherent detection of THz-induced sideband emission from excitons in the nonperturbative regime

AU - Uchida, K.

AU - Otobe, T.

AU - Mochizuki, T.

AU - Kim, C.

AU - Yoshita, M.

AU - Tanaka, K.

AU - Akiyama, H.

AU - Pfeiffer, L. N.

AU - West, K. W.

AU - Hirori, H.

PY - 2018/4/13

Y1 - 2018/4/13

N2 - Strong interaction of a terahertz (THz) wave with excitons induces nonperturbative optical effects such as Rabi splitting and high-order sideband generation. Here, we investigated coherent properties of THz-induced sideband emissions from GaAs/AlGaAs multiquantum wells. With increasing THz electric field, optical susceptibility of the THz-dressed exciton shows a redshift with spectral broadening and extraordinary phase shift. This implies that the field ionization of the 1s exciton modifies the THz-dressed exciton in the nonperturbative regime.

AB - Strong interaction of a terahertz (THz) wave with excitons induces nonperturbative optical effects such as Rabi splitting and high-order sideband generation. Here, we investigated coherent properties of THz-induced sideband emissions from GaAs/AlGaAs multiquantum wells. With increasing THz electric field, optical susceptibility of the THz-dressed exciton shows a redshift with spectral broadening and extraordinary phase shift. This implies that the field ionization of the 1s exciton modifies the THz-dressed exciton in the nonperturbative regime.

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Coherent detection of THz-induced sideband emission from excitons in the nonperturbative regime

Abstract

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