All-Fiber Optical Signal Inversion Using Stimulated Raman Scattering |
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Authors: | Feroz Ahmed Luis Romeu Nunes Naoto Kishi |
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Affiliation: | (1) Department of Information and Communication Engineering, The University of Electro-Communications, 1-5-1, Chofugaoka, Chofu, Tokyo 182-8585, Japan |
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Abstract: | We propose a method for all-optical signal inversion by means of stimulated Raman scattering (SRS). The idea is based on the transference of energy from the logic state #x201C;1#x201D; to the second stokes and making the logic state #x201C;0#x201D; into logic state #x201C;1#x201D; by receiving energy from the pump through SRS. According to the numerical simulation, a continuous wave pump source of LOW at 1453 nm and a few hundred meters of highly nonlinear fiber are required to invert an input signal at 1555 nm. The optical signal is inverted with high on-off contrast ratio. |
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Keywords: | optical inverter stimulated Raman scattering all-optical devices all-fiber devices highly nonlinear fiber |
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