Demonstration of a compressive-sensing Fourier-transform on-chip spectrometer

Podmore, Hugh; Scott, Alan; Cheben, Pavel; V. Velasco, Aitor; H. Schmid, Jens; Vachon, Martin; Lee, Regina

doi:10.1364/ol.42.001440

Public

Demonstration of a compressive-sensing Fourier-transform on-chip spectrometer

Published in Optics Letters • Mar 29, 2017

Authors:

Hugh Podmore

Alan Scott

Pavel Cheben

Abstract

We demonstrate compressive-sensing (CS) spectroscopy in a planar-waveguide Fourier-transform spectrometer (FTS) device. The spectrometer is implemented as an array of Mach–Zehnder interferometers (MZIs) integrated on a photonic chip. The signal from a set of MZIs is composed of an undersampled discr...

Subject

Optics

Fourier transform

Materials science

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