Abstract
The powerful novel invention of entangled photon source by using a nonlinear silica micro ring resonator for quantum cryptography use was established and investigated. This entangled photon pair was generated under the degenerated four wave mixing process under the phase mismatch adjusment. The corresponding entangled photon generation Hamiltonian was established and studied in term of EPR pair. The obtained entangled photon pairs can be applied to the quantum cryptography distribution under quantum teleportation process showing the feasible and suitable for quantum information communication via the high visibility and $Q$ factor results. The advantage of this novel entangled photon source will be proved to become a part of quantum distribution device in the near future.
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