Stimulated Raman adiabatic passage via bright state in Λ medium of unequal oscillator strengths G.G. Grigoryan, C. Leroy, Y. Pashayan-Leroy, L. Chakhmakhchyan, S. Guérin and H.R. Jauslin Eur. Phys. J. D, 66 10 (2012) 256 Published online: 09 October 2012 DOI: 10.1140/epjd/e2012-30216-0