Subwavelength confinement in an integrated metal slot waveguide on silicon |
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Authors: | Chen Long Shakya Jagat Lipson Michal |
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Institution: | School of Electrical and Computer Engineering, Cornell University, Ithaca, NY 14853, USA. lc286@cornell.edu |
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Abstract: | We demonstrate propagation losses of less than 0.8 dB/microm in a metal slot waveguide on silicon with a predicted confinement substantially below the optical wavelength (approximately 1.55 microm). We also show compact and efficient coupling of the high-confinement metal slot waveguide with a standard silicon dielectric waveguide with a coupling efficiency of approximately 2.5 dB per facet. |
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