TY - JOUR AU - Pfister, O AU - Wells, J. AU - Hollberg, Leo AU - Zink, L AU - baak, D Van AU - Levenson, M AU - Bosenberg, W C2 - Optics Letters DA - 1997-01-01 00:01:00 LA - en M1 - 22 PB - Optics Letters PY - 1997 TI - Continuous-Wave Frequeny Tripling and Quadrupling by Simultaneous Three-Wave Mixings in Periodically Poled Crystals: Application to a Two-Step 1.19-10.71 υm Frequency Bridge ER -