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Photonic hall effect in absorbing media

Wiebel1, Sparenberg, Rikken

  • 1Grenoble High Magnetic Field Laboratory, Max Planck Institut fur Festkorperforschung, CNRS, Boite Postale 166, 38042 Grenoble Cedex 9, France and Fakultat fur Physik, Universitat Konstanz, Universitatsstrasse 10, 78457 Konstanz, Germa.

Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
|January 4, 2001
PubMed
Summary

Optical absorption in magnetoactive scatterers alters the photonic Hall effect, causing the light current to reverse and grow with increased absorption. An absorbing matrix, however, showed no such effect.

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Area of Science:

  • Optics and Photonics
  • Condensed Matter Physics
  • Magneto-optics

Background:

  • The photonic Hall effect (PHE) is a phenomenon analogous to the Hall effect in electronics, observed in optical systems.
  • Understanding PHE is crucial for developing novel photonic devices and manipulating light.
  • The influence of optical absorption on PHE in magnetoactive materials requires further investigation.

Purpose of the Study:

  • To experimentally and theoretically investigate the impact of optical absorption on the photonic Hall effect.
  • To analyze the behavior of the magnetotransverse light current in systems with absorbing components.
  • To determine the conditions under which optical absorption influences PHE.

Main Methods:

  • Experimental setup involving a passive matrix with magnetoactive scatterers.

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  • Theoretical modeling to complement experimental observations.
  • Numerical calculations to validate findings.

    • Main Results:

    • Optical absorption in magnetoactive scatterers causes the magnetotransverse light current to change sign.
    • The magnitude of the magnetotransverse light current increases with increasing optical absorption.
    • No significant photonic Hall effect was observed in an absorbing matrix.

    Conclusions:

    • Optical absorption within magnetoactive scatterers is a critical factor influencing the photonic Hall effect.
    • The observed sign change and increase in magnetotransverse light current provide new insights into light-matter interactions.
    • The findings suggest that material absorption properties must be carefully considered in the design of photonic devices utilizing the PHE.