Entanglement generation for non-local photonic qubits using quantum dot within the optical micro-cavity

Abstract

This paper presents the analytical inquisition of photonic entanglement generation circuit (PEGC) for non-local qubits designed using quantum dot within the optical micro-cavity, considering the realistic environment. It is established that the concurrence of the PEGC is considerably contingent on the interplay between the spin of quantum dot and photon within the optical micro-cavity. The maximum concurrence obtained is 0.6124 at normalized coupling strength (g/k) = 0.3 and normalized side leakage rate (ks/k) = 0.1 and 0.9011 at g/k = 4 and ks/k = 0.1 with and without a noisy environment, respectively. Different quantum cryptography-based protocols may be implemented using reported work.