Integrated photonic quantum technologies

Remarkable progress has been made in the development of hardware for quantum technologies. As a platform for quantum technologies, integrated photonics has enabled significant leaps for integrating many components, including programmable circuitry, photon sources and detectors. However, machines such as fault tolerant quantum computers appear to be a long way off for all platforms, including photonics.

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New integrated LiDAR technology using chip-integrated beam steering and frequency-angular imaging

We report an on-chip, acousto-optic beam steering technique that uses only a single gigahertz acoustic transducer to steer light beams into free space. Exploiting the physics of Brillouin scattering, where beams steered at different angles are labeled with unique frequency shifts, this technique uses a single coherent receiver to resolve an object’s angular position in the frequency domain and enables frequency-angular resolving (FAR) LiDAR.

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