Towards an integrated AlGaAs waveguide platform for phase and polarisation 
shaping

Maltese, G; Halioua, Y; Lemaitre, A; Gomez-Carbonell, C; Karimi, E; Banzer, Peter; Ducci, S

doi:10.1088/2040-8986/aabc1d

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Towards an integrated AlGaAs waveguide platform for phase and polarisation shaping

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Banzer, Peter
Max Planck Univ Ottawa Ctr Extreme & Quantum Phot, 25 Templeton St, Ottawa, ON K1N 6N5, Canada;
Interference Microscopy and Nanooptics, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Maltese, G., Halioua, Y., Lemaitre, A., Gomez-Carbonell, C., Karimi, E., Banzer, P., et al. (2018). Towards an integrated AlGaAs waveguide platform for phase and polarisation shaping. Journal of Optics, 20(5): 05LT01. doi:10.1088/2040-8986/aabc1d.

Cite as: https://hdl.handle.net/21.11116/0000-0002-1A45-4

Abstract

We propose, design and fabricate an on-chip AlGaAs waveguide capable of generating a controlled phase delay of pi/2 between the guided transverse electric and magnetic modes. These modes possess significantly strong longitudinal field components as a direct consequence of their strong lateral confinement in the waveguide. We demonstrate that the effect of the device on a linearly polarised input beam is the generation of a field, which is circularly polarised in its transverse components and carries a phase vortex in its longitudinal component. We believe that the discussed integrated platform enables the generation of light beams with tailored phase and polarisation distributions.