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Large Dispersion Silicon Bragg Grating for Full-Field 40-GBd QPSK Phase Retrieval Receiver

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Abstract

We demonstrate a silicon Bragg grating with a large dispersion of -146 ps/nm and reduced ripple using a phase shifter array. We use the grating in a direct-detection phase retrieval receiver for 40-GBd QPSK signals.

© 2022 The Author(s)

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