TY - JOUR PB - American Physical Society ID - 10.1103/PhysRevFocus.13.11 TI - Light at the End of the Tunnel JF - Physical Review Focus JA - Phys. Rev. Focus J1 - FOCUS VL - 13 IS - SP - 11 EP - PY - 2004/03/19/ UR - http://link.aps.org/doi/10.1103/PhysRevFocus.13.11 A1 - Monroe, Don ER -