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We demonstrate for the first time an excitable laser using graphene. This technology is a potential candidate for applications in novel all-optical devices for information processing and computing.
We demonstrate a phase-sensitive boosting technique for extending the reach of 112-Gb/s DP-QPSK. We transmit the signal alongside a phase-conjugated idler. Nonlinearity is partially mitigated by detecting them jointly and summing them with phase conjugation.
We experimentally investigate and characterize the improvement in thresholding capability of a compact highly Ge-doped nonlinear interferometer-based all-optical thresholder using optical offset spectral filtering. The thresholder we study has an in-loop nonlinearity requirement lower than that of a classical nonlinear loop mirror scheme. Therefore, only 15 m of nonholey silica-based fiber is used...
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