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Super-High N.A. Micro GRIN Lens for Coupling into Nanophotonics Waveguides

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Abstract

A miniature integrated graded-refractive index lens with ultra-high numerical aperture of NA>1.5 can be realized using two alternating nano layers of materials with high index contrast. Efficient coupling into nano-waveguide can be achieved.

© 2006 Optical Society of America

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