Formal selection rules for Brillouin scattering in integrated waveguides and structured fibers

C. Wolff; M. J. Steel; C. G. Poulton

doi:10.1364/OE.22.032489

Formal selection rules for Brillouin scattering in integrated waveguides and structured fibers

C. Wolff^*, M. J. Steel, C. G. Poulton

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

22 Downloads (Pure)

Abstract

We derive formal selection rules for Stimulated Brillouin Scattering (SBS) in structured waveguides. Using a group-theoretical approach, we show how the waveguide symmetry determines which optical and acoustic modes interact for both forward and backward SBS. We present a general framework for determining this interaction and give important examples for SBS in waveguides with rectangular, triangular and hexagonal symmetry. The important role played by degeneracy of the optical modes is illustrated. These selection rules are important for SBS-based device design and for a full understanding the physics of SBS in structured waveguides.

Original language	English
Pages (from-to)	32489-32501
Number of pages	13
Journal	Optics Express
Volume	22
Issue number	26
DOIs	https://doi.org/10.1364/OE.22.032489
Publication status	Published - 29 Dec 2014

Bibliographical note

This paper was published in Optics express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-22-26-32489. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

Keywords

INDUCED MODAL CHARACTERISTICS
PHOTONIC CRYSTAL FIBERS
ACOUSTIC PHONONS
CHIP
LASER

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10.1364/OE.22.032489

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Cite this

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title = "Formal selection rules for Brillouin scattering in integrated waveguides and structured fibers",

abstract = "We derive formal selection rules for Stimulated Brillouin Scattering (SBS) in structured waveguides. Using a group-theoretical approach, we show how the waveguide symmetry determines which optical and acoustic modes interact for both forward and backward SBS. We present a general framework for determining this interaction and give important examples for SBS in waveguides with rectangular, triangular and hexagonal symmetry. The important role played by degeneracy of the optical modes is illustrated. These selection rules are important for SBS-based device design and for a full understanding the physics of SBS in structured waveguides.",

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note = "This paper was published in Optics express and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://www.opticsinfobase.org/oe/abstract.cfm?uri=oe-22-26-32489. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.",

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doi = "10.1364/OE.22.032489",

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AU - Steel, M. J.

AU - Poulton, C. G.

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N2 - We derive formal selection rules for Stimulated Brillouin Scattering (SBS) in structured waveguides. Using a group-theoretical approach, we show how the waveguide symmetry determines which optical and acoustic modes interact for both forward and backward SBS. We present a general framework for determining this interaction and give important examples for SBS in waveguides with rectangular, triangular and hexagonal symmetry. The important role played by degeneracy of the optical modes is illustrated. These selection rules are important for SBS-based device design and for a full understanding the physics of SBS in structured waveguides.

AB - We derive formal selection rules for Stimulated Brillouin Scattering (SBS) in structured waveguides. Using a group-theoretical approach, we show how the waveguide symmetry determines which optical and acoustic modes interact for both forward and backward SBS. We present a general framework for determining this interaction and give important examples for SBS in waveguides with rectangular, triangular and hexagonal symmetry. The important role played by degeneracy of the optical modes is illustrated. These selection rules are important for SBS-based device design and for a full understanding the physics of SBS in structured waveguides.

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KW - PHOTONIC CRYSTAL FIBERS

KW - ACOUSTIC PHONONS

KW - CHIP

KW - LASER

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JF - Optics Express

SN - 1094-4087

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ER -

Formal selection rules for Brillouin scattering in integrated waveguides and structured fibers

Abstract

Bibliographical note

Keywords

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