Nanotech solution: Research reveals how angular light on graphene can lead to a single information path

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Because of its unusual electrical conductivity properties, graphene has been a concentration of intensive research in both academia and industry for some time.

A report from Phys.org states that graphene, being the thinnest material known to humans, is particularly two-dimensional and has the photonic and electronic properties of conventional 3D materials.

Purdue University researchers, including Todd Van Mechelen, Wenbo Sun and Zubin Jacob, have found in their research and shown that the viscous liquid of graphene, the colliding electrons in solids with a behavior similar to liquids, support unidirectional electromagnetic waves, especially at the edge .

On the other hand, such edge waves are associated with a new topological stage of matter and signify a phase transition in the material, similar to the change from solid to liquid.

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(Photo: Jynto on Wikimedia Commons)
Comparison of the STM topographic image of a section of a graphene layer with spectroscopic images of the electron interference

New phase of graphs

A notable feature of this new phase of graphene is that light travels in a single direction along the edge of the material, greatly creating clutter, deformation, and imperfections.

Purdue researchers have linked this non-reciprocal effect to the development of “topological circulations”, single-use indication routers, the smallest in the world, which could ultimately be a breakthrough for all-optical on-chip processes.

Circulators are essentially a fundamental building block of so-called integrated optical circuits. However, they have resisted miniaturization because of their bulky mechanisms and the narrow bandwidth of existing technologies.

Also, the study published in the journal Nature Communications points out that topological circulations overcome this by being both broadband and in the ultra-subwavelength range, made possible by an extraordinarily electromagnetic phase of matter.

Applications for such a technology include information forwarding and connections between classical and quantum computing systems.

Quantum computer system

To understand how quantum computing works and the quantum mechanics on which it is based, one has to look back to the beginning of the 20th century, “when this physical theory was originally established,” according to a BBVA report.

Quantum physics began, among other things, with the study of the particles of an atom including its electrons on a microscopic scale, which has never happened in the past.

Arnau Riera, doctor of theoretical physics, high school teacher and advisor to an exhibition called Quantum at the Center for Contemporary Culture in Barcelona, ​​defines the term as conceptual change.

Classic computer system

In the classical world, the properties of the systems examined are well defined. In the quantum world, however, this is not the case, where particles can have different values. They are not secluded subjects and their condition is weak, Riera explained.

In classical computing, the expert also said: “We know how to solve problems” because of the computer language that is used in programming. In addition, operators that cannot be performed in bit computing can be performed with a quantum computer.

In quantum computing, all numbers and probabilities that can be developed with the so-called N qubits are overlaid with 1,000 qubits; the exponential probabilities go far beyond those of classical computing.

For related information on the graphene light project, see the following Charbax YouTube video:

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For more news and information on nanotechnology, see the Science Times.

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