Fibre acousto-optic frequency shifter based on a null coupler

Timothy A. Birks; Selina G. Farwell; Philip St.J. Russell; Christopher N. Pannell

doi:10.1117/12.185056

14 September 1994 Fibre acousto-optic frequency shifter based on a null coupler

Timothy A. Birks, Selina G. Farwell, Philip St.J. Russell, Christopher N. Pannell

Proceedings Volume 2360, Tenth International Conference on Optical Fibre Sensors; (1994) https://doi.org/10.1117/12.185056
Event: 10th Optical Fibre Sensors Conference, 1994, Glasgow, United Kingdom

Abstract

All-fibre acousto-optic frequency shifters have in the past been based on two-mode fibres1,2,3, the frequency- shifted light appearing in the second of the two modes. Mode convertors and filters are necessary to separate the residual carrier from the shifted signal and give a single-mode output.

Citation Download Citation

Timothy A. Birks, Selina G. Farwell, Philip St.J. Russell, and Christopher N. Pannell "Fibre acousto-optic frequency shifter based on a null coupler", Proc. SPIE 2360, Tenth International Conference on Optical Fibre Sensors, (14 September 1994); https://doi.org/10.1117/12.185056

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