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This paper mainly focuses on efficient schemes for simulating propagation in optical fibers. Various schemes based on split-step Fourier techniques to solve the nonlinear Schrödinger equation (NLSE), which describes the propagation in optical fibers, are compared. In general, the schemes in which the loss operator is combined with nonlinearity operator are found to be more computationally efficient...
This paper presents a research on passive optical fiber current sensor based on magneto-optical crystal. It proposes a new design of light path of the sensor head. Both methods of dual-channel optical detection of the polarization state of the output light and signal processing are proposed. Signal processing can obtain the linearly output of the current measured of the wire more conveniently. Theoretically...
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