Simulations of a nonlinear optical loop mirror demultiplexer using random birefringence fiber
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Arend, M.F., M.L. Dennis, I.N. Duling, E.A. Golovchenko, A.N. Pilipetskii, and C.R. Menyuk. "Simulations of a Nonlinear Optical Loop Mirror Demultiplexer Using Random Birefringence Fiber". In Optical Fiber Communications, OFC., 226–27, 1996. https://doi.org/10.1109/OFC.1996.908246.
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This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
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Abstract
Summary form only given. Demultiplexing channels of data at rates in the 100-Gbit/s range will require that advanced all-optical devices be designed and developed. Computer simulations will become increasingly useful in prototyping these devices. We have developed a computer code that accurately predicts the switching characteristics of a demultiplexer operating in the picosecond range. The technique used for the simulations is the split step Fourier method. Randomly varying birefringence is modeled by introducing a random rotation of the birefringence axis θᵢ at the beginning of each step. The polarization controller is implemented numerically by multiplying the field by the appropriate Jones matrix for a linear retarder (wave plate) of orientation ∝ and retardance ϕ. Values for ∝ and ϕ, are found by allowing the control pulse to propagate around the loop in the absence of the signal pulse.