Spatial tomography of light resolved in time, spectrum, and polarization

Martin Ploschner; Marcos M. Morote; Daniel S. Dahl; Mickael Mounaix; Greta Light; Aleksandar D. Rakic; Joel Carpenter

doi:10.1117/12.2658893

17 March 2023 Spatial tomography of light resolved in time, spectrum, and polarization

Martin Ploschner, Marcos M. Morote, Daniel S. Dahl, Mickael Mounaix, Greta Light, Aleksandar D. Rakic, Joel Carpenter

Proceedings Volume PC12425, Smart Photonic and Optoelectronic Integrated Circuits 2023; PC124250I (2023) https://doi.org/10.1117/12.2658893
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

Measuring polarisation, spectrum, temporal dynamics, and spatial complex amplitude of optical beams is essential to studying phenomena in laser dynamics, telecommunications and nonlinear optics. Here, we harness principles of spatial state tomography to measure a complete description of an unknown beam as a set of spectrally, temporally, and polarisation resolved spatial state density matrices. Each density matrix slice resolves the spatial complex amplitude of multiple mutually incoherent fields, which over several slices reveals the spectral or temporal evolution of these fields even in scenarios when they spectrally or temporally overlap. We demonstrate these features by characterising the rich spatiotemporal and spatiospectral output of a vertical-cavity surface-emitting laser.

Conference Presentation

Citation Download Citation

Martin Ploschner, Marcos M. Morote, Daniel S. Dahl, Mickael Mounaix, Greta Light, Aleksandar D. Rakic, and Joel Carpenter "Spatial tomography of light resolved in time, spectrum, and polarization", Proc. SPIE PC12425, Smart Photonic and Optoelectronic Integrated Circuits 2023, PC124250I (17 March 2023); https://doi.org/10.1117/12.2658893

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