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Novel designs of optoacoustic waveguides

Novel designs of optoacoustic waveguides
Novel designs of optoacoustic waveguides
We present two new designs of optoacoustic waveguides supporting nonlinear Brillouin scattering (SBS). The first design, optimized for forward SBS, comprises a rectangular core supporting a low-loss optical mode, suspended in air by a series of transverse ribs. The ribs are engineered to exhibit a complete acoustic stopband and suppress the transverse leakage of acoustic waves. The second design we discuss here is a realization of an Anti-Resonant Reflecting Acoustic Waveguide, which are analogues of optical ARROWs. These waveguides, capable of co-localization and guiding of both the optical and GHz acoustic waves in simple, translationally invariant waveguides, are shown to support backwards SBS.
Schmidt, M.K.
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O'Brien, M.
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Poulton, C.G.
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Mashanovich, G.Z.
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Reed, G.T.
ca08dd60-c072-4d7d-b254-75714d570139
Eggleton, B.J.
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Steel, M.J.
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Schmidt, M.K.
9b53c892-f5fb-4362-9d43-24dd645a3794
O'Brien, M.
9acb5b2c-cb37-4724-b4fd-81928659e50e
Poulton, C.G.
46bdb011-c3ad-4662-a8a7-673d881b8d54
Mashanovich, G.Z.
c806e262-af80-4836-b96f-319425060051
Reed, G.T.
ca08dd60-c072-4d7d-b254-75714d570139
Eggleton, B.J.
24193e78-8e3e-4777-85f1-a2aaf95006ba
Steel, M.J.
2ad21a11-9a25-496f-8c99-ac0968018291

Schmidt, M.K., O'Brien, M., Poulton, C.G., Mashanovich, G.Z., Reed, G.T., Eggleton, B.J. and Steel, M.J. (2019) Novel designs of optoacoustic waveguides. Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019. 08 - 12 Dec 2019. 2 pp . (doi:10.1117/12.2541121).

Record type: Conference or Workshop Item (Paper)

Abstract

We present two new designs of optoacoustic waveguides supporting nonlinear Brillouin scattering (SBS). The first design, optimized for forward SBS, comprises a rectangular core supporting a low-loss optical mode, suspended in air by a series of transverse ribs. The ribs are engineered to exhibit a complete acoustic stopband and suppress the transverse leakage of acoustic waves. The second design we discuss here is a realization of an Anti-Resonant Reflecting Acoustic Waveguide, which are analogues of optical ARROWs. These waveguides, capable of co-localization and guiding of both the optical and GHz acoustic waves in simple, translationally invariant waveguides, are shown to support backwards SBS.

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More information

Published date: 30 December 2019
Venue - Dates: Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019, 2019-12-08 - 2019-12-12

Identifiers

Local EPrints ID: 441942
URI: http://eprints.soton.ac.uk/id/eprint/441942
PURE UUID: 156049ea-6046-470e-925b-823981ebdb05

Catalogue record

Date deposited: 02 Jul 2020 16:35
Last modified: 06 Aug 2020 16:36

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