High second-harmonic generation of antiferromagnetic/ionic-crystal composite medium with negative refraction
Source abstract
Abstract
Abstract Second harmonic generation (SHG) from a short-period structure composed of alternating antiferromagnetic (AF) and ionic-crystal layers is investigated, where the generated harmonic waves are situated in the far-infrared range and attributed to the magnetically nonlinear interaction in AF layers. The presence of a kind of appropriate ionic-crystal layers in the structure can support negative refraction for the pumping wave and positive refraction for the SH wave, so the SHG is greatly amplified in the vicinity of each AF resonant frequency. For the composite structure FeF 2 /TlBr, we found that the SH output is about 8 times higher than that of the FeF 2 bulk in the same frequency range.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Photonic Crystals and Applications · Photorefractive and Nonlinear Optics · Quantum optics and atomic interactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (25)
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