TY - JOUR AU - Y. Ahn AU - S. Choe AU - J. Woo AU - D. Kim AU - Steven Cundiff AU - J. Shacklette AU - Y. Lim BT - Physical Review Letters DA - 2002-11 DO - 10.1103/PhysRevLett.89.237403 PY - 2002 T2 - Physical Review Letters TI - Quantum Interference of Virtual and Real Amplitudes in a Semiconductor Exciton System VL - 89 SN - 0031-9007 ER -