Elie Merhej enhanced the Pulser repository by integrating DMM sigma noise into the Hamiltonian data model, addressing the challenge of modeling detuning fluctuations from the DMM channel in quantum computing simulations. Using Python, Elie refined the noise distribution logic to improve numerical stability and updated the detuning calculations for greater accuracy. The work included developing comprehensive tests for both the NoiseModel and HamiltonianData components, ensuring robust validation of the new functionality. Elie also improved code maintainability through serialization readiness, linting, and documentation updates. This contribution demonstrated depth in noise modeling and collaborative development within a quantum computing context.