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‘Quantum-inspired’ holography technique for 3D imaging offers advantages in autonomous vehicles and AR


A


new ‘quantum-inspired’ holography technique that uses lasers to render a 3D image may allow more stable


imaging of self-luminous or remote objects. Led by Benjamin Sussman, adjunct


professor of physics in the Faculty of Science at the University of Ottawa, researchers from the University of Ottawa and Imperial College London aimed to record and reconstruct extremely faint light beams. Te University of Ottawa said the


team’s work could enhance 3D scene reconstruction and be used in applications such as autonomous vehicles and augmented reality, as well as in fields such as astronomy, nanotechnology, and quantum computing. “Te quantum-inspired holography


technique introduced by our team presents two significant advantages over traditional holography methods,” said Sussman. “Firstly, it showcases remarkable resilience to mechanical instabilities such as vibrations during the hologram recording process. Unlike conventional holography, which necessitates short exposure times due


Sussman said: “Te research team’s


The new technique could enhance 3D scene reconstruction and be used in applications such as autonomous vehicles and augmented reality


to susceptibility to vibrations, this new technique enables researchers to record holograms for extended durations, ensuring superior precision. And secondly, our new technique can be employed to record holograms of self-luminous or remote objects.” Te University of Ottawa says this opens


up possibilities such as characterising the spatial shape of single-photon emission from quantum dots and single atoms.


achievements were made possible through advancements in quantum imaging and the availability of cutting-edge commercial camera technology. By utilising advanced cameras that provide precise timing and location stamps whenever they detect a single particle of light, we were able to resolve the necessary correlations for recording holograms. Tis breakthrough highlights the synergy between quantum research and technological developments.” Traditional photography captures scene


intensity, while holography incorporates phase information. Although holography utilises amplitude interference, the team’s new technique employs a different type of interference. “Our holograms record the correlations


between the intensities of two light sources,” said Guillaume Tekkadath, the lead author. “Tese correlations can reveal quantum interference effects even in single photons.” Te study, ‘Intensity interferometry for


holography with quantum and classical light’, was published in Science Advances.


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