| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4957052 | Optical Fiber Technology | 2017 | 4 Pages |
Abstract
We investigate fourth-order cascaded Raman shift in a birefringence ZrF4-BaF2-LaF3-AlF3-NaF (ZBLAN) fluoride fiber, which is the first demonstration of cascaded Raman shift in fluoride fibers. The pump source is a commercially available 1064Â nm picosecond fiber laser. At the average pump power of â¼7Â W, fourth-order cascaded Raman shift is observed if the pump pulse is polarized to the slow axis, and third-order cascaded Raman shift is obtained if the pump pulse is polarized to the fast axis. The Raman shift generation is simulated by the generalized nonlinear Schrödinger equation (GNLSE), and the results are in good agreement with the experiments.
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Authors
Tonglei Cheng, Weiqing Gao, Xiaojie Xue, Takenobu Suzuki, Yasutake Ohishi,