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    All-optical S-R flip-flop using dark-bright soliton conversion control
    (2012-10-02)
    Soysouvanh, S.
    ;
    Luangxaysana, K.
    ;
    Yoshida, M.
    ;
    Komine, N.
    ;
    Phongsanam, P.
    We propose a new design for all-optical S-R flip-flop using optical technique namely dark-bright soliton conversion control within an optical add-drop filter. In operation, all-optical data input logic '0', '1' is formed by dark soliton (D) and bright soliton (B) pulses, respectively. The conversion behaviour between dark and bright soliton pulses can be obtained and formed the logic pulses by a π/2 phase shifted device (i.e. an optical coupler), in which the binary logic operation can be formed simultaneously at the thought and drop ports, respectively. In all-optical S-R flip-flop application can be recognized as a simple and flexible system for forming the logic switching system. Numerical simulation results are obtained and confirmed for the useful application, in which the advanced logical system can be operated. © 2012 IEEE.
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    Novel all-optical flip-flop using dark-bright soliton conversion control
    (2012-07-09)
    Luangxaysana, K.
    ;
    Phongsanam, P.
    ;
    Mitatha, S.
    ;
    Yoshida, M.
    ;
    Komine, N.
    This study proposed a new design for all-optical S-R and D flip-flop using optical technique namely dark-bright soliton conversion control within an optical add-drop filter. In operation, all-optical data input logic '0', '1' is formed by dark soliton (D) and bright soliton (B) pulses, respectively. The conversion behavior between dark and bright soliton pulses can be obtained and formed the logic pulses by a π/2 phase shifted optical coupler device. The binary logic operation can be formed simultaneously at the through and drop ports, respectively. In application, the proposed scheme can be recognized as a simple and flexible system for forming the logic switching system. Numerical simulation results are obtained and confirmed for the useful application of an advanced logical system can be operated. © 2012 Asian Network for Scientific Information.
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    All-optical logic and arithmetic operation using soliton control for tree architecture use
    (2012-07-05)
    Luangxaysana, K.
    ;
    Phongsanam, P.
    ;
    Mitatha, S.
    ;
    Yoshida, M.
    ;
    Komine, N.
    This study has proposed a new design system for basic all-optical logic and arithmetic operation using dark-bright soliton conversion control base on tree architecture. Optical tree architecture and nonlinear materials can provide a significant role for contribution in optical interconnecting network and ultrafast photonic computing system. In operation, the input data for all-optical binary logic can be formed by dark and bright soliton pulses for logic '0' and '1', respectively. By using the dark-bright soliton conversion behaviors, the conversion between dark and bright soliton pulses can be obtained and formed the logic pulse by a 7i/2 phase shifted device (i.e., an optical coupler). In application, the proposed scheme can be recognized as a simple and flexible system for forming the logic switching system, which can be used for advanced logical system. © 2012 Asian Network for Scientific Information.