Nonperturbative terahertz-field interactions in semiconductor quantum wires

S. Hughes
Phys. Rev. B 63, 153308 – Published 28 March 2001
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Abstract

We model high-field dynamic electro-optical effects in semiconductor quantum wires. Our nonperturbative, time-dependent studies employ weak optical pulses and strong terahertz fields such as are available from free-electron lasers. Three remarkably strong effects are demonstrated: (1) a strong Autler-Townes splitting of the 1s exciton resonance via intraband exciton coupling, (2) phase-dependent two-photon induced gain just above the band gap, and (3) high-field harmonic generation in the THz regime.

  • Received 26 July 2000

DOI:https://doi.org/10.1103/PhysRevB.63.153308

©2001 American Physical Society

Authors & Affiliations

S. Hughes

  • Department of Physics, University of Surrey, Guildford, Surrey GU2 7XH, United Kingdom

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Issue

Vol. 63, Iss. 15 — 15 April 2001

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