All-fibre wavelength filters using concatenated fused-taper couplers

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© The Institution of Electrical Engineers
Published 20/07/2012

Abstract

Successive fused-taper couplers are proposed as all-fibre wavelength filters. A low-loss narrowband filter constructed from two overcoupled couplers is demonstrated.

Inspec keywords: optical fibres; optical couplers; optical communication equipment; optical filters; band-pass filters

Other keywords: all-fibre wavelength filters; optical fibres; concatenated fused-taper couplers; low-loss narrowband filter; overcoupled couplers; band-pass filters; wavelength division multiplexing; WDM; optical communication equipment

Subjects: Optical coatings and filters; Optical communication; Spectral and other filters; Fibre optics and fibre waveguides; Optical communication devices, equipment and systems; Fibre optics

References

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    2. 2)
      • Ragdale, C.M., Payne, D.N., De Fornel, F., Mears, R.J.: `Single-mode fused biconical couplers', Proc. 1st int. conf. on optical fibre sensors, 1983,
    3. 3)
      • Yataki, M.S., Varnham, M.P., Payne, D.N.: `Fabrication and properties of very-long fused taper couplers', Proc. 8th optical fibre conference, 1985,
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