All-optical method of developing some fundamental and functional quaternary logic gates |
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Authors: | Sisir Kumar Garai |
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Institution: | Department of Physics, M.U.C. Women''s College, Burdwan, West Bengal 713104, India |
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Abstract: | All optical multivalued logic processors are of paramount importance in optical computing and signal processing. In this article the author proposes a method of developing all-optical quaternary Inversion, NOT and Bitswap logic gates, which are essential parts of quaternary arithmetic and logical processors. Nonlinear switching and add/drop multiplexing (ADM) properties of semiconductor optical amplifier (SOA) are exploited here to develop the frequency encoded quaternary logic gates. |
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Keywords: | Quaternary logic gates Nonlinear polarization rotation Frequency conversion Semiconductor optical amplifier Add and drop multiplexer |
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