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  Influence of air-filling fraction on forward Raman-like scattering by transversely trapped acoustic resonances in photonic crystal fibers

Brenn, A., Wiederhecker, G. S., Kang, M. S., Hundertmark, H., Joly, N., & Russell, P. S. J. (2009). Influence of air-filling fraction on forward Raman-like scattering by transversely trapped acoustic resonances in photonic crystal fibers. JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, 26(8), 1641-1648.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-6BC1-E Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-002D-6BC2-C
Genre: Zeitschriftenartikel

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 Urheber:
Brenn, A.1, 2, Autor           
Wiederhecker, G. S.3, Autor
Kang, M. S.1, Autor           
Hundertmark, H.1, Autor           
Joly, N.1, Autor           
Russell, P. St. J.1, Autor           
Affiliations:
1Russell Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364721              
2International Max Planck Research School, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364697              
3external, ou_persistent22              

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Schlagwörter: WAVE BRILLOUIN-SCATTERING; OPTICAL-FIBERS; PHONONS; MODES; LIGHTOptics;
 Zusammenfassung: Raman-like forward scattering by acoustic phonons transversely trapped in birefringent silica-air photonic crystal fibers is studied. As the air-filling fraction increases, core-confined acoustic resonances become increasingly apparent at higher frequencies (> 1.1 GHz), while the number of cladding-confined acoustic modes involved in scattering falls. Two main types of scattering are observed: intramodal (scattering to new frequencies within the same optical mode) and intermodal (frequency-shifted scattering to a different optical mode). It is shown that the twofold symmetric microstructure in a birefringent fiber causes strongly polarization-dependent intramodal scattering. Good agreement is obtained between the experimental measurements and numerical solutions of both the acoustic and electromagnetic wave equations by using a full-vectorial finite-element approach. Phononic bandgaps are found to play a significant role at higher air-filling fractions, leading to the appearance of additional bands in the scattering spectrum. (C) 2009 Optical Society of America

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Sprache(n): eng - English
 Datum: 2009
 Publikationsstatus: Erschienen
 Seiten: 8
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: ISI: 000269137000025
 Art des Abschluß: -

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Titel: JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA : OPTICAL SOC AMER
Seiten: - Band / Heft: 26 (8) Artikelnummer: - Start- / Endseite: 1641 - 1648 Identifikator: ISSN: 0740-3224