TY - JOUR AU - Lu Deng AU - Edward Hagley AU - R Li AU - C Zhu C2 - Physical Review A DA - 2015-10-29 DO - https://doi.org/10.1103/PhysRevA.92.043838 LA - en M1 - 92 PB - Physical Review A PY - 2015 TI - Zero to pi continuously controllable cross-phase modulation in a Doppler-broadened N-type electromagnetically-induced-transparency medium ER -