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Orbital Angular Momentum

All articles tagged with #orbital angular momentum

science1 year ago

Innovative Method Uses Twisted Light to Manipulate Quantum Interactions

Researchers have developed a novel method to control quantum interactions by using light beams with orbital angular momentum to transfer angular momentum to electrons in graphene. This technique, demonstrated in a recent experiment, allows for precise manipulation of electron movement, creating a measurable current. The findings could have significant implications for quantum computing and sensing, as they offer a new way to control and measure the quantum properties of electrons.

science-and-technology2 years ago

"Revolutionary Method Captures Structured Light Instantly"

Researchers have developed a new measurement technique using on-axis Kramers-Kronig interferometry to retrieve the spectrum of orbital angular momentum (OAM) in structured light waves. By applying the Kramers-Kronig relation, they were able to untangle the complex helical light pattern from intensity-only measurements, enabling single-shot retrieval in interferometry. This breakthrough has the potential to revolutionize technologies that rely on structured light, such as communication, imaging, and quantum information processing. The technique is simpler, faster, and more cost-effective than conventional methods, providing a powerful means to measure and understand OAM in structured light fields.