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High-resolution on-chip digital Fourier transform spectroscopy

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Abstract

We experimentally demonstrate a high-resolution, on-chip digital Fourier transform (dFT) spectrometer using a reconfigurable Mach-Zehnder interferometer. The dFT architecture claims the multiplex advantage for signal enhancement, with a resolution that scales exponentially with device footprint.

© 2018 The Author(s)

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