Optical 4x4 hitless slicon router for optical networks-on-chip (NoC) Sherwood-Droz, Nicolás ; Wang, Howard ; Chen, Long ; Lee, Benjamin G. ; Biberman, Aleksandr ; Bergman, Keren ; Lipson, Michal Abstract Publication: Optics Express Pub Date: September 2008 DOI: 10.1364/OE.16.015915 Bibcode: 2008OExpr..1615915S