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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 16, Iss. 2 — Feb. 1, 1998
  • pp: 301–

Optical Broadband Phase Devices Using Axially Nonsymmetrical W-Type Optical Fibers

Naoto Kishi and Eikichi Yamashita

Journal of Lightwave Technology, Vol. 16, Issue 2, pp. 301- (1998)

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This paper describes a numerical analysis of axially nonsymmetrical W-type optical fibers as optical-fiber-type broadband phase devices. Using these devices, phase difference between two orthogonal linear polarizations can be kept constant in a broad wavelength range. The propagation characteristics along a circular core with an elliptical cladding structure and an elliptical core with a circular cladding structure are numerically analyzed by the boundary-integral method. Using the numerical results, the performances of various broadband phase devices are theoretically compared.


Naoto Kishi and Eikichi Yamashita, "Optical Broadband Phase Devices Using Axially Nonsymmetrical W-Type Optical Fibers," J. Lightwave Technol. 16, 301- (1998)

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  1. T. Hosaka, K. Okamoto, and T. Edahiro, "Fiber circular polarizer," Appl. Opt., vol. 22, pp. 3850-3858, 1983.
  2. N. Kishi and E. Yamashita, "Realization of broad-band phase devices by using W-type eccentric-core optical fibers," J. Lightwave Technol., vol. 8, pp. 1207-1211, 1990.

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