TY - JOUR AU - Charles Durfee AU - Sterling Backus AU - Margaret Murnane AU - Henry Kapteyn BT - Optics Letters DA - 1997 DO - 10.1364/OL.22.001565 PY - 1997 EP - 1565 T2 - Optics Letters TI - Ultrabroadband phase-matched optical parametric generation in the ultraviolet by use of guided waves VL - 22 ER -