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Abstract
Long-distance quantum communication over optical fiber is limited by exponential attenuation.Quantum repeaters mitigate this by segmenting the link, creating heralded entanglement on elementary segments, storing it in quantum memories, and performing entanglement swapping. In this paper, foundational results on DLCZ-style repeaters and successors are synthesized, quantify feasibility levers (per-link success, swap success, heralding latency, multiplexing), and prioritize quantum memory decoherence as the main bottleneck. This framework was implemented on and is accompanied by a program that uses Gaussian Copula and Monte Carlo simulations to accurately simulate the system according to set parameters. Producing a full feasibility report of defined system set to a target throughput rate R.