R.A. Vicencio, M.I. Molina and Kivshar Y.S.
OPTICS LETTERS 29, 24 (2004)
We study all-optical switching based on the dynamic properties of discrete vector solitons in waveguide arrays. We employ the concept of polarization mode instability and demonstrate simultaneous switching and amplification of a weak signal by a strong pump of the opposite polarization. (C) 2004 Optical Society of America.