Quadratically enhancing optomechanical entanglement via dark mode controlA.-H. Abdel-Aty, D. R. K. Massembele, P. Djorwé, A. N. Al-Ahmadi and K. S. NisarEur. Phys. J. D, 79 11 (2025) 134DOI: https://doi.org/10.1140/epjd/s10053-025-01055-1