Broadband mode converter and multiplexer based on dielectric-loaded plasmonic waveguides |
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Abstract: | We theoretically demonstrate a broadband mode converter and multiplexer based on plasmonic waveguides loaded with structured dielectrics. The proposed device can realize conversions between a fundamental TM0 mode and a first order TM1 mode, as well as (de)multiplex them with another TM0 mode. Our design exhibits as wide as 400 nm bandwidth and as short as 6~7 μm coupling length. This work has potential application in high density photonic integrated devices for both computing and communication applications. |
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Keywords: | Plasmonics Waveguide Surface plasmons Mode converter and multiplexer |
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