期刊
OPTICS EXPRESS
卷 21, 期 22, 页码 27277-27283出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.21.027277
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资金
- Swedish Research Council (VR)
- Linne Center ADOPT
- Goran Gustafsson Foundation
- Swedish Foundation for Strategic Research
We report suppression of forward stimulated polariton scattering (SPS) in chi((2)) structured media. Periodic poling in KTiOPO4 (KTP) leads to the destructive interference of phonon-polariton waves, which is responsible for the dependence of the SPS threshold on the poling period. This was confirmed by comparing the SPS thresholds in periodically-poled KTP (PPKTP) crystals with different poling periods. Further confirming the physical picture, we studied the changes in the Stokes power distribution as a function of the rotation angle of the PPKTP crystal. (C) 2013 Optical Society of America
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