W-type fiber design for application in U- and S-band amplifiers by controlling the LP01 mode long wavelength cut-off

Yoo, Seongwoo, Jung, Yongmin, Kim, Jun-Ki, Lee, Jhang W. and Oh, Kyunghwan (2005) W-type fiber design for application in U- and S-band amplifiers by controlling the LP01 mode long wavelength cut-off. Optical Fiber Technology, 11 (4), 332-345. (doi:10.1016/j.yofte.2005.01.002).

Abstract

We propose a novel passive band-pass filtering scheme to obtain a net gain in a band-competing system using a W-type fiber waveguide, slicing a shorter wavelength gain band out of a given stimulated emission cross-section. By controlling the location of the LP mode cut-off wavelength and the accompanying bending loss are theoretically analyzed in terms of waveguide parameters.

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Contributors

Author: Yongmin Jung

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