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2015•Unpublished venueRequires access

Enhanced Brillouin scattering in silica via saturable phonon losses

Ryan O. Behunin, Prashanta Kharel, William H. Renninger, Heedeuk Shin, F. Carter, Eric A. Kittlaus, Peter T. Rakich

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Abstract

Acoustic dissipation in silica is dominated by defects that act as saturable absorbers at cryogenic temperatures. Using stimulated Brillouin spectroscopy we demonstrate that this loss channel can be mitigated in fiber, enhancing Brillouin gain.

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What this paper is about

Acoustic dissipation in silica is dominated by defects that act as saturable absorbers at cryogenic temperatures. Using stimulated Brillouin spectroscopy we demonstrate that this loss channel can be mitigated in fiber, enhancing Brillouin gain.

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Available abstract

Acoustic dissipation in silica is dominated by defects that act as saturable absorbers at cryogenic temperatures. Using stimulated Brillouin spectroscopy we demonstrate that this loss channel can be mitigated in fiber, enhancing Brillouin gain.

Key concepts: Brillouin scattering, Brillouin Spectroscopy, Brillouin zone, Materials science, Phonon, Spectroscopy, Dissipation, Optics

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