A performance comparison of integrated gradec index Y-branch and MMI-based optical splitters in thin glass sheets for PCB integration Integrated optical interconnect systems are getting higher ...

A polarization beam splitter based on lithium niobate thin film is proposed, which consists of a directional coupler. The device is easy to be achieved by simple structure.

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Lab analysis of 25 Girl Scout cookies found trace amounts of five toxic metals and an herbicide, two consumer groups said. Are they safe to eat?