TY - JOUR AU - Lu Deng AU - Guoxiang Huang AU - Huijun Li AU - Chao Hang C2 - Physical Review A DA - 2008-08-13 DO - https://doi.org/10.1103/PhysRevA.78.023822 LA - en M1 - 78 PB - Physical Review A PY - 2008 TI - High-order nonlinear Schrödinger equation and superluminal optical solitons in room-temperature active-Raman-gain media ER -