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Polarization-entangled source for flex-grid C+L-band quantum networks

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Abstract

We demonstrate an ultrabroadband polarization-entangled source integrating both C- and L-band wavelength-selective switches for spectral routing and allocation in a single fiberized setup, verifying high fidelity through tomography of all 150 pairs of 25 GHz-wide channels.

© 2023 The Author(s)

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