Single-polarisation operation of highly birefringent bow-tie optical fibres

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Single-polarisation operation of highly birefringent bow-tie optical fibres

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© The Institution of Electrical Engineers
Published

Experimental results show that bow-tie fibres with high levels of stress-induced birefringence can be operated such that they support only a single linearly polarised mode. Under these conditions the loss of the fibre is 5 dB/km for the guided mode and 55 dB/km for the suppressed mode For short-length operation as a polariser, extinction ratios as high as 50 dB/m have been obtained.

Inspec keywords: fibre optics; optical fibres; light polarisation; mechanical birefringence

Other keywords: extinction ratios; stress-induced birefringence; optical fibres sensors; highly birefringent bow-tie optical fibres; polariser; linearly polarised mode

Subjects: Fibre optics and fibre waveguides; Optical propagation and transmission in homogeneous and anisotropic media; birefringence; Optical polarization in homogeneous media; Fibre optics

References

    1. 1)
      • Laser Focus, Feb. 1983, pp. 77.
    2. 2)
      • Sasaki, Y., Okamoto, K., Hosaka, T., Shibata, N.: `Polarisation-maintaining and absorption-reducing fibres', Opt. Fib. Conf., 1982, p. 54–56.
    3. 3)
      • T. Okoshi . Single polarisation single-mode optical fibres. IEEE J. Quantum Electron.
    4. 4)
      • R.D. Birch , D.N. Payne , M.P. Varnham . Fabrication of polarisation-maintaining fibres using gas-phase etching. Electron. Lett. , 1036 - 1038
    5. 5)
      • A.W. Snyder , F. Rühl . New single-mode single-polarisation optical fibre. Electron. Lett. , 185 - 186
    6. 6)
      • A. Ourmazd , R.D. Birch , M.P. Varnham , E.J. Tarbox . Enhancement of birefringence in polarisation-maintaining fibres by thermal annealing. Electron. Lett. , 143 - 144
    7. 7)
      • T. Katsuyama , H. Matsumura , T. Suganuma . Low-loss single-polarisation fibres. Electron. Lett. , 473 - 474
    8. 8)
      • W. Eickhoff . Stress-induced single-polarisation single-mode fibre. Opt. Lett. , 629 - 631
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