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Control of forward stimulated polariton scattering in periodically-poled KTP crystals
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.ORCID iD: 0000-0002-2508-391X
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.ORCID iD: 0000-0003-2070-9167
2013 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 21, no 22, 27277-27283 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2013. Vol. 21, no 22, 27277-27283 p.
Keyword [en]
Destructive interference, Periodic poling, Phonon-polariton, Physical pictures, Polariton scattering, Power distributions, Rotation angles, Structured media
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Other Physics Topics
Identifiers
URN: urn:nbn:se:kth:diva-139212DOI: 10.1364/OE.21.027277ISI: 000327007800185Scopus ID: 2-s2.0-84887468646OAI: oai:DiVA.org:kth-139212DiVA: diva2:687332
Funder
Swedish Research CouncilSwedish Foundation for Strategic Research
Note

QC 20140114

Available from: 2014-01-14 Created: 2014-01-08 Last updated: 2017-12-06Bibliographically approved

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Pasiskevicius, ValdasCanalias, Carlota

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