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In this paper, we present the optical elements needed for the fabrication of a wavelength selective silicon photonic integrated switching matrix We focus on the device proposed in the European project IRIS, which is a wavelength division multiplexing (WDM) transponder aggregator. It implements a colourless, directionless, and contentionless reconfigurable optical add/drop multiplexer (ROADM) node...
We demonstrate optical directional couplers made of polydimethylsiloxane channels filled with nematic liquid crystals in view of low power flexible optical switches. Transmission of light through such optical channels is polarization insensitive. Coupling of light can be performed with an extinction ratio of over 20 dB at the wavelength of 1550 nm for any input polarization. Directional couplers as...
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