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Integrated Reconfigurable 4×4 Optical Unitary Converter Using Multiport Directional Couplers

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We demonstrate novel silicon photonic 44 reconfigurable optical unitary converter, comprising multiport directional couplers and phase shifter arrays. By optimizing the phase shift with simulated annealing algorithm, reconfigurable mode sorting and switching are experimentally realized.

© 2019 The Author(s)

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