Time-varying orbital angular momentum generated by a metasurface
The orbital angular momentum (OAM) of electromagnetic waves—a kind of "structured light"—is associated with a helical or twisted wavefront.
The orbital angular momentum (OAM) of electromagnetic waves—a kind of "structured light"—is associated with a helical or twisted wavefront.
Optics & Photonics
Apr 19, 2023
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430
Deep learning has revolutionized the way we perceive and utilize data. However, as datasets grow and computational demands increase, we need more efficient ways to handle, store, and process data. In this regard, optical ...
Optics & Photonics
Nov 27, 2023
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63
The past few years have seen a massive surge in the amount of data transferred and processed per second. Rapidly emerging technologies, such as high-dimensional quantum communications, large-scale neural networks, and high-capacity ...
Optics & Photonics
Sep 15, 2023
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114
Rotating objects carry angular momentum; this fact extends even to the tiniest of particles, such as photons. Photons possess not one but two distinct forms of angular momentum: spin angular momentum (SAM) and orbital angular ...
Optics & Photonics
Oct 18, 2023
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58
Photonic systems are quickly gaining traction in many emerging applications, including optical communications, lidar sensing, and medical imaging. However, the widespread adoption of photonics in future engineering solutions ...
Optics & Photonics
Jul 26, 2023
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17
Rydberg atoms and molecules are characterized by having one or more electrons in highly excited bound states. Such atoms and molecules are said to be in "Rydberg states" and are also called "hollow" atoms and molecules. Rydberg ...
Optics & Photonics
Jan 11, 2023
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181
In the realm of photonics, the integration of multiple optical devices onto a single substrate holds immense promise for a wide range of applications. This revolutionary approach, known as photonic integration, offers remarkable ...
Optics & Photonics
Jun 21, 2023
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4
A new paper in Advanced Photonics demonstrates distinct improvements to the inference and generalization performance of diffractive optical neural networks.
Optics & Photonics
Aug 13, 2019
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17
Recent advancements in AI and more specifically large language models such as ChatGPT have put a strain on data centers. AI models require huge amounts of data to train, and in order to move data between the processing units ...
Optics & Photonics
Dec 7, 2023
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8
Dental caries— tooth decay—is the most prevalent dental disease among children and adults around the world. Left too long before treatment, the disease results in difficulty eating, infection, and even tooth loss. New ...
Optics & Photonics
Oct 6, 2016
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