Optical devices, components and methods for mounting optical fibers and for side-coupling light to/from optical fibers using a modified silicon V-groove, or silicon V-groove array, wherein V-grooves, which are designed for precisely aligning/spacing optical fibers, are “recessed” below the surface...http://www.google.se/patents/US7116886?utm_source=gb-gplus-sharePatent US7116886 - Devices and methods for side-coupling optical fibers to optoelectronic components
