Controllable amplification and absorption properties in coupled-double-quantum-wells with tunneling-induced interferenceX. Y. Hao, J. H. Li, X. Y. Lü and X. YangEur. Phys. J. D, 56 2 (2010) 239-246DOI: https://doi.org/10.1140/epjd/e2009-00290-6