TY - JOUR AU - A. Bahabad AU - Margaret Murnane AU - Henry Kapteyn BT - Nature Photonics DA - 2010-08 DO - 10.1038/nphoton.2010.122 PY - 2010 SP - 571 EP - 575 T2 - Nature Photonics TI - Quasi-phase-matching of momentum and energy in nonlinear optical processes VL - 4 ER -