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Versatile acoustooptical flexural wave modulator, filter and frequency shifter in dual-core fibre

Sabert, H., Dong, L. and Russell, P.St.J. (1992) Versatile acoustooptical flexural wave modulator, filter and frequency shifter in dual-core fibre International Journal of Optoelectronics, 7, (2), pp. 189-194.

Record type: Article


We report the fabrication and experimental characterization of efficient flexural-wave acoustooptical modulators in velocity-mismatched dual-core dual-mode fibre. Coupling efficiencies of 100% and beyond, tunable from a few hundred kHz to several MHz, are obtainable over device lengths of 30 cm. A travelling flexural wave, excited by a silica horn, causes coupler rephasing when the acoustic wavelength equals the normal mode beat length. The device has negligible insertion loss, and through its tunability and reconfigurability has considerable potential in a variety of WDM, switching and signal-processing applications.

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Published date: 1992


Local EPrints ID: 78411
ISSN: 0952-5432
PURE UUID: 0e330eec-536f-4d31-9f41-e22b90fb3c6b

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:24

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Author: H. Sabert
Author: L. Dong
Author: P.St.J. Russell

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