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Wave propagation in birefringent materials with off-axis absorption or gain

In English

Författare

Summary, in English

The polarization direction of an electromagnetic field changes and eventually reaches a steady state when propagating through a birefringent material with off-axis absorption or gain. The steady state orientation direction depends on the magnitude of the absorption (gain) and the phase retardation rate. The change in the polarization direction is experimentally demonstrated in weakly doped (0.05%) Pr3+ : Y2SiO5 crystals, where the light polarization, if initially aligned along the most strongly absorbing principal axis, gradually switches to a much less absorbing polarization state during the propagation. This means that the absorption coefficient a in birefringent materials generally varies with length. This is important for, e.g., laser crystal gain media, highly absorbing and narrow band spectral filters and quantum memories.

Publiceringsår

2016

Språk

Engelska

Publikation/Tidskrift/Serie

Physical Review A (Atomic, Molecular and Optical Physics)

Volym

93

Issue

1

Dokumenttyp

Artikel i tidskrift

Förlag

American Physical Society

Ämne

  • Atom and Molecular Physics and Optics

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1050-2947