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19 01, 2023

Scientists make a quantum harmonic oscillator at room temperature

By |2023-01-19T13:28:51-07:00January 19th, 2023|Categories: Optics & Photonics, Quantum Computing, Uncategorized|Tags: , , , , , , , , , |

A quantum harmonic oscillator—a structure that can control the location and energy of quantum particles that could, in the future, be used to develop new technologies including OLEDs and miniature lasers—has been made at room temperature by researchers led by the University of St Andrews.   The research, conducted in collaboration with scientists at Nanyang [...]

19 01, 2023

Revived photon entanglement could enhance quantum communication and imaging    – Physics World

By |2023-01-19T13:24:09-07:00January 19th, 2023|Categories: Optics & Photonics, Quantum Computing|Tags: , , , , , , , , , , , , , |

Researchers in India have shown that photon entanglement in a certain continuous-variable basis revives itself as the photons propagate away from their source. The discovery could prove useful for securely transmitting quantum information over long distances and for quantum imaging in turbulent media. Quantum entanglement between photons is being explored extensively by physicists, often [...]

12 01, 2023

Researchers create an optical tractor beam that pulls macroscopic objects

By |2023-01-16T12:20:44-07:00January 12th, 2023|Categories: Optics & Photonics|Tags: , , , , , , , , , | Researchers have developed a way to use laser light to pull a macroscopic object. Although microscopic optical tractor beams have been demonstrated before, this is one of the first times that laser pulling has been used on larger objects. Light contains both energy and momentum that can be used for various types of [...]

10 01, 2023

A new milestone for light-driven electronics

By |2023-01-16T12:52:53-07:00January 10th, 2023|Categories: Optics & Photonics|Tags: , , , , , |

Three excitons (pairs consisting of an electron and an electron hole) on the topological insulator bismuthene. Due to the honeycomb atomic structure, electrons can only flow along the edges. Credit: Pawel Holewa Optics and electronics are linked by a quantum phenomenon An international research team headed by Professor Ralph Claessen, quantum physicist [...]

10 01, 2023

Deep learning-designed diffractive processor computes hundreds of transformations in parallel

By |2023-01-16T12:24:27-07:00January 10th, 2023|Categories: Optics & Photonics|Tags: , , , , , , , , , |

In today's digital age, computational tasks have become increasingly complex. This, in turn, has led to an exponential growth in the power consumed by digital computers. Thus, it is necessary to develop hardware resources that can perform large-scale computing in a fast and energy-efficient way. In this regard, optical computers, which use light instead of [...]