4.5 Article

All-optical regeneration based on a nonlinear long period grating

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OPTICS COMMUNICATIONS
卷 281, 期 5, 页码 1280-1285

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DOI: 10.1016/j.optcom.2007.10.114

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We theoretically investigate a nonlinear all-optical switching scheme based on a long period grating written in a highly nonlinear chalcogenide fiber. We investigate the impact of two-photon absorption on the device and show that the influence of a modest amount of two photon absorption is actually beneficial to device performance as quantified by the power transfer function and improvement of the Q-factor of an incident signal. (C) 2007 Elsevier B.V. All rights reserved.

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