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    Quantum bits generation using correlated photons: Fidelity and error corrections
    (2010-11-01)
    Tanengtang, T.
    ;
    Paithoonwattanakij, K.
    ;
    Yupapin, P. P.
    ;
    Suchat, S.
    We propose a new system of quantum bits generation using a soliton pulse within a micro ring resonator. A quantum gate can be formed using a polarization control unit incorporating into the system. The random signal and idler pairs can be formed within the photon correlation bandwidth, which can be generated and randomly formed the packet quantum bits, i.e. quantum packet codes. Each random code (logic) can be performed by combining the signal and idler of each entangled photon pair via the quantum gate. Results obtained have shown that the packet of quantum logic bits can be generated using the entangled photon pairs generated by the proposed system. The quantum bits transmission fidelity and error corrections are also described. © 2009 Elsevier GmbH. All rights reserved.
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    The entangled photons generation system using week light in fiber optic and timing-walk off compensation
    (2007-01-01)
    Yupapin, Preecha P.
    ;
    Khunnam, Wanchai
    ;
    Suchat, Suebtarkul
    We propose a new system for multi-entangled photons generation using an all fiber optic arrangement. The generation of the entangled states of two, four and eight entangled photons using an all fiber optic scheme is analyzed. The timing-walk off on the entangled state of two and four entangled photons suffering from the polarization in fiber optic is characterized. The compensation of such effects and the optimal entangled states of the entangled photons in fiber optic are analyzed and discussed. © 2007 World Scientific Publishing Company.