Integrated multi vector vortex beam generator

Abstract

A novel method to generate and manipulate vector vortex beams in an integrated, ring resonator based geometry is proposed. We show numerically that a ring resonator, with an appropriate grating, addressed by a vertically displaced access waveguide emits a complex optical field. The emitted beam possesses a specific polarization topology, and consequently a transverse intensity profile and orbital angular momentum. We propose a combination of several concentric ring resonators, addressed with different bus guides, to generate arbitrary orbital angular momentum qudit states, which could potentially be used for classical and quantum communications. Finally, we demonstrate numerically that this device works as an orbital angular momentum sorter with an average cross-talk of -10 dB between different orbital angular momentum channels.

8 pages, 7 figures

References in corpus (7)

• Photonic quantum technologies
• Optical spin-to-orbital angular momentum conversion in inhomogeneous anisotropic media
• Silica-on-Silicon Waveguide Quantum Circuits
• Beating the channel capacity limit for linear photonic superdense coding
• Generation and dynamics of optical beams with polarization singularities
• Near-Perfect Sorting of Orbital Angular Momentum and Angular Position States of Light
• Time-division multiplexing of the orbital angular momentum of light

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• Arbitrary vector beam generation in semiconductor quantum dots
• Pulse, polarization and topology shaping of polariton fuids