Nonlinear magneto-optic quantum microcavity

Robert Frey; Regis Andre; Christos Flytzanis

doi:10.1117/12.468972

29 May 2002 Nonlinear magneto-optic quantum microcavity

Robert Frey, Regis Andre, Christos Flytzanis

Proceedings Volume 4748, ICONO 2001: Fundamental Aspects of Laser-Matter Interaction and Physics of Nanostructures; (2002) https://doi.org/10.1117/12.468972
Event: XVII International Conference on Coherent and Nonlinear Optics (ICONO 2001), 2001, Minsk, Belarus

Abstract

The study of the linear, nonlinear, and photo-induced behavior in a magneto-optic micro-cavity in the strong coupling regime is investigated using the reflectivity and magneto-optic Kerr rotation techniques. The photo-induced modifications of the strong coupling regime are traced to the light induced changes of the exciton transition by many body interactions and band filling effects. At a fluence of 1 (mu) J/cm^-2 the saturation and blue shift of the quantum well exciton transition produce strong modifications of the lower polariton frequency which induce nonlinear magneto-optic Kerr rotations of 30 degrees at a magnetic field amplitude of 0.2 Tesla. With no applied magnetic field polarization rotations of more than 10 degrees are photo- induced by 1 (mu) J/cm^-2 fluence circularly polarized pump pulses. Such a physical effect could be interesting for high contrast fast optical signal processing when room temperature operation becomes available.

Citation Download Citation

Robert Frey, Regis Andre, and Christos Flytzanis "Nonlinear magneto-optic quantum microcavity", Proc. SPIE 4748, ICONO 2001: Fundamental Aspects of Laser-Matter Interaction and Physics of Nanostructures, (29 May 2002); https://doi.org/10.1117/12.468972

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KEYWORDS

Polaritons

Excitons

Polarization

Magneto-optics

Optical microcavities

Reflectivity

Magnetism

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