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All-fibre frequency shifter using piezoceramic SAW device

All-fibre frequency shifter using piezoceramic SAW device

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© The Institution of Electrical Engineers
Published

An all-fibre frequency shifter operating at 3 MHz is described. The device was based on a SAW structure using interdigital transducers on a PZT4 ceramic substrate. Carrier and sideband suppression were 29 and 35 dB, respectively, with 4.5% of the input optical power shifted for an electrical drive of 2 W.

Inspec keywords: optical fibres; fibre optic sensors; surface acoustic wave devices; acousto-optical devices

Other keywords: 3 MHz; PZT; piezoceramic SAW device; electrical drive; all-fibre frequency shifter; fibre optic sensors; carrier suppression; PbZrO3TiO3; PZT4 ceramic substrate; interdigital transducers; 2 W; sideband suppression

Subjects: Fibre optic sensors; Acousto-optical devices; Fibre optics; Acoustic wave devices

References

    1. 1)
      • W.P. Risk , G.S. Kino . Acousto optic fiber optic frequency shifter using periodic contact with a copropagating surface acoustic wave. Opt. Lett. , 336 - 338
    2. 2)
      • G.R. Walker , N.G. Walker . Alignment of polarisation maintaing fibres by temperature modulation. Electron. Lett. , 689 - 691
    3. 3)
      • W.P. Risk , R.C. Youngquist , G.S. Kino , H.J. Shaw . Acousto optic frequency shifting in birefringent fibre. Opt. Lett. , 309 - 311
    4. 4)
      • B.Y. Kim , J.N. Blake , H.E. Engan , H.J. Shaw . All fibre acousto optic frequency shifter. Opt. Lett. , 389 - 391
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