TY - JOUR AU - Ahn, Y AU - Choe, S AU - Kim, D AU - Cundiff, Steven AU - Shacklette, J AU - y, S Lim C2 - Physical Review Letters DA - 2002-01-01 00:01:00 LA - en M1 - 89 PB - Physical Review Letters PY - 2002 TI - Quantum interference of virtual and real amplitudes in a semiconductor exciton system ER -