Bidirectional quantum teleportation through an open Heisenberg XYZ with Dzyaloshinskii–Moriya interaction channel driven by DRAG pulses

Abstract

Bidirectional quantum teleportation enables simultaneous information exchange across distributed networks. Practical implementations rely on physical spin channels that suffer from inherent asymmetries and environmental decoherence. We investigate a bidirectional teleportation protocol operating through an open Heisenberg XYZ channel augmented with a Dzyaloshinskii–Moriya interaction. The antisymmetric spin-orbit coupling breaks the exchange symmetry between the communicating parties, inducing a fundamental directional asymmetry in the information transfer. We evaluate the protocol performance using directional state fidelities and the quantum Fisher information under Markovian amplitude damping and pure dephasing. We apply Derivative Removal by Adiabatic Gate pulses to actively protect the distributed entanglement. The optimized quadrature correction suppresses computational leakage and elevates the performance bounds across all evaluated metrics. The numerical results establish the operational limits of asymmetric quantum communication channels and demonstrate the necessity of precise pulse calibration for maintaining a quantum advantage.