Abstract

The wavelength tunability and the polarization characteristics of twisted polarization beamsplitting fiber couplers are investigated experimentally and analyzed theoretically. The measured spectrum transmissions and polarization characteristics agree well with the theoretical results. The wavelength working as a polarization beamsplitter can be tuned in the 1.3-1.75 µm wavelength range without significant degradation. Splitting ratios for orthogonally polarized lights are more than 20 dB and less than -20 dB.

© 2001 IEEE

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  5. I. Yokohama, K. Okamoto and J. Noda, "Fibre-optic polarising beam splitter employing birefringent-fiber coupler", Electron. Lett., vol. 21, no. 10, pp. 415-416, May 1985.
  6. T. A. Birks, "Practical tuning mechanism for fused-tapered couplers", Opt. Lett., vol. 13, no. 12, pp. 1126-1128, Dec. 1988.
  7. K. Morishita and K. Shimamoto, "Wavelength-selective fiber loop mirrors and their wavelength tunability by twisting", J. Lightwave Technol., vol. 13, pp. 2276-2281, Nov. 1995.
  8. T. Yamaguchi, "Theoretical study of twisted fiber couplers", in Proc. Sino-Japanese Joint Meeting on Optical Fiber Science and Electromagnetic Theory, vol. 2, Tianjin, China, Sept. 1995, pp. B89-B93.
  9. K. Morishita and K. Takashina, "Polarization properties of fused fiber couplers and polarizing beamsplitters", J. Lightwave Technol., vol. 9, pp. 1503-1507, Nov. 1991.

J. Lightwave Technol. (3)

M. Eisenmann and E. Weidel, "Single-mode fused biconical coupler optimized for polarization beamsplitting", J. Lightwave Technol., vol. 9, pp. 853-858, July 1991.

K. Morishita and K. Shimamoto, "Wavelength-selective fiber loop mirrors and their wavelength tunability by twisting", J. Lightwave Technol., vol. 13, pp. 2276-2281, Nov. 1995.

K. Morishita and K. Takashina, "Polarization properties of fused fiber couplers and polarizing beamsplitters", J. Lightwave Technol., vol. 9, pp. 1503-1507, Nov. 1991.

Other (6)

T. Yamaguchi, "Theoretical study of twisted fiber couplers", in Proc. Sino-Japanese Joint Meeting on Optical Fiber Science and Electromagnetic Theory, vol. 2, Tianjin, China, Sept. 1995, pp. B89-B93.

M. S. Yataki, D. N. Payne and M. P. Varnham, "All-fibre polarising beamsplitter", Electron. Lett., vol. 21, no. 6, pp. 249-251, Mar. 1985.

T. Bricheno and V. Baker, "All-fibre polarisation splitter/combiner", Electron. Lett., vol. 21, no. 6, pp. 251-252, Mar. 1985.

C. W. Wu, T. L. Wu and H. C. Chang, "A novel fabrication method for all-fiber, weakly fused, polarization beamsplitters", IEEE Photon. Technol. Lett., vol. 7, pp. 786-788, July 1995.

I. Yokohama, K. Okamoto and J. Noda, "Fibre-optic polarising beam splitter employing birefringent-fiber coupler", Electron. Lett., vol. 21, no. 10, pp. 415-416, May 1985.

T. A. Birks, "Practical tuning mechanism for fused-tapered couplers", Opt. Lett., vol. 13, no. 12, pp. 1126-1128, Dec. 1988.

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