Stimulated Raman adiabatic passage via bright state in Λ medium of unequal oscillator strengthsG.G. Grigoryan, C. Leroy, Y. Pashayan-Leroy, L. Chakhmakhchyan, S. Guérin and H.R. JauslinEur. Phys. J. D, 66 10 (2012) 256DOI: https://doi.org/10.1140/epjd/e2012-30216-0