Magneto-optical second-harmonic generation in semiconductors GaAs and CdTe

Victor V. Pavlov; Alexandra M. Kalashnikova; Roman V. Pisarev; Ingo Sänger; Dmitri R. Yakovlev; Manfred Bayer

doi:10.1117/12.677865

14 June 2006 Magneto-optical second-harmonic generation in semiconductors GaAs and CdTe

Victor V. Pavlov, Alexandra M. Kalashnikova, Roman V. Pisarev, Ingo Sänger, Dmitri R. Yakovlev, Manfred Bayer

Proceedings Volume 6259, ICONO 2005: Nonlinear Optical Phenomena; 625903 (2006) https://doi.org/10.1117/12.677865
Event: ICONO 2005, 2005, St. Petersburg, Russian Federation

Abstract

Second-harmonic generation (SHG) is studied in semiconductors GaAs and CdTe in broad spectral and temperature ranges. External magnetic field gives rise to time-reversal symmetry breaking causing new optical nonlinearities. A series of narrow SHG lines is observed in the spectral range near the band gap of semiconductors GaAs and CdTe in nonzero magnetic fields. It is found that optical transitions between Landau levels are responsible for observed SHG spectra. The rotational anisotropy of the SHG signal distinctly differs from that of the electric-dipole approximation. Model calculations, based on phenomenological analysis using nonlocal contributions in the nonlinear optical susceptibility, have revealed an importance of the nonlinear magneto-optical spatial-dispersion that comes together with the electric-dipole term.

Citation Download Citation

Victor V. Pavlov, Alexandra M. Kalashnikova, Roman V. Pisarev, Ingo Sänger, Dmitri R. Yakovlev, and Manfred Bayer "Magneto-optical second-harmonic generation in semiconductors GaAs and CdTe", Proc. SPIE 6259, ICONO 2005: Nonlinear Optical Phenomena, 625903 (14 June 2006); https://doi.org/10.1117/12.677865

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