@article{805991, author = {Y Ahn and S Choe and D Kim and Steven Cundiff and J Shacklette and S Lim y}, title = {Quantum interference of virtual and real amplitudes in a semiconductor exciton system}, year = {2002}, number = {89}, month = {2002-01-01 00:01:00}, publisher = {Physical Review Letters}, language = {en}, }