Patent ID: 7817225
Filing Date: 2010-10-19
Classification: G02F

Abstract:
1. A polarization splitter, comprising: a substrate; and a plurality of wires including a first pattern of wires and a second pattern of wires on the substrate, wherein: the plurality of wires are substantially parallel to one another, each wire of the plurality of wires having a first edge and a second edge where the wire contacts the substrate, the second edge facing away from the first edge, and having a width between the first and second edges thereof, two directly adjacent wires of the plurality of wires define a slit between the second edge of one wire and the first edge of the other wire, and a period of the plurality of wires is defined as a distance between the first edges of two directly adjacent wires of the plurality of wires, the period varying irregularly over at least part of the plurality of wires in accordance with the predetermined pattern.