TY - JOUR AU - Deng, Lu AU - Payne, Marvin AU - Jang, Kaijun C2 - Physical Review A DA - 2006-10-09 DO - https://doi.org/10.1103/PhysRevA.74.041803 LA - en M1 - 74 PB - Physical Review A PY - 2006 TI - Ultraslow propagation of an optical pulse in a three-state active Raman gain medium ER -