New quantum theory explains light-induced phase of matter

A team at City University of Hong Kong led by a physicist has made significant advancements in the field of quantum photonics and quantum control. They have developed a groundbreaking quantum theory that explains the “light-induced phase” of matter and its potential applications in various fields. The discovery of light-induced phases, which are additional to … Read more

Single photons emitted by novel materials could lead to new quantum computers

Researchers at MIT have made an exciting breakthrough in the field of solar photovoltaics by utilizing novel materials to generate a continuous stream of identical photons. This discovery has significant implications for the development of optically based quantum computers and quantum teleportation devices for communication. Traditionally, quantum computing has relied on ultracold atoms or individual … Read more

Quantum computing powers new approach to fusion energy research

Developing a successful fusion energy device requires a deep understanding of complex processes that have never been observed on Earth before. Due to the numerous uncertainties involved, it is crucial to ensure that the device is designed in a way that effectively harnesses fusion power. To bridge the gaps in our understanding, scientists employ computational … Read more

First laughlin state realized in ultracold atoms

In the 1980s, scientists made an exciting discovery known as the quantum Hall effects. This groundbreaking finding unveiled the existence of extraordinary forms of matter called “Laughlin states,” named after the renowned American Nobel laureate who provided a theoretical description of these states. Laughlin states arise specifically in two-dimensional materials, at extremely low temperatures, and … Read more

Scientists discover how to control annihilation of photoexcitations

A recent study published in the journal Nature Chemistry challenges the conventional belief that photoexcitations, which occur when photons interact with a material, always annihilate each other upon proximity. Researchers from Northwestern University and Purdue University have found evidence that the annihilation of photoexcitations depends on the quantum phase relationships between them. Quantum interference, typically … Read more

Controlling the propagation of hyperbolic polaritons with near-field excitation

Researchers from Huazhong University of Science and Technology and China University of Geosciences, led by Professor Xinliang Zhang, Professor Peining Li, and Professor Zhigao Dai, have made significant progress in the field of nanophotonics by developing a novel technique for controlling the excitation and propagation of polaritons at the nanoscale. Their findings, published in eLight, … Read more

Quantum network progress: Erbium atoms emit single photons

Researchers at the Max Planck Institute of Quantum Optics (MPQ) and the Technical University of Munich (TUM) in Garching have made significant progress in the development of quantum networks. By exciting erbium atoms embedded in crystalline silicon, they have successfully generated single photons with unique properties, paving the way for the future quantum internet. This … Read more

New technique reveals surprising exciton coupling in tungsten disulfide

Scientists have made a breakthrough in studying the unique exciton states found in two-dimensional tungsten disulfide (WS2) crystals. These excitons, which are composed of an electron and an electron hole, have short lifetimes and can rapidly transition between different states. By employing a new technique called time-resolved momentum microscopy, researchers have been able to track … Read more

New intrinsic nonlinear planar hall effect discovered

In the pursuit of faster and smaller electronics, researchers are seeking new techniques and materials to revolutionize current technological approaches. A collaborative effort between Associate Professor Yang Shengyuan and his team from the Singapore University of Technology and Design (SUTD) and Research Assistant Professor Cong Xiao from the University of Hong Kong has uncovered a … Read more

Open-source software to accelerate quantum research

Quantum technology is poised to revolutionize various societal domains, with researchers anticipating a plethora of untapped quantum properties and applications. Addressing this, a team at Chalmers University of Technology in Sweden has introduced open-source software that will facilitate new breakthroughs in the field and expedite quantum research. Over the next few decades, quantum technology is … Read more

New method for generating ultrashort electron pulses developed

Scientists at the University of Konstanz have achieved a groundbreaking feat in generating incredibly short signals. Through the utilization of paired laser pulses, physicists compressed a series of electron pulses to a remarkably brief duration of only 0.000000000000000005 seconds. This remarkable achievement opens up new possibilities in the study of ultrafast phenomena. In the realm … Read more

Asynchronous locking of frequencies in optomechanical systems

In a recent publication in Nature Communications, scientists from the Paul Drude Institute in Berlin, Germany, and the Instituto Balseiro in Bariloche, Argentina, have made a significant breakthrough in the field of light emitters and their resonance frequencies. They have demonstrated that these emitters, which have different resonance frequencies, can effectively synchronize their energies by … Read more

New quantum dots could revolutionize quantum cryptography

Researchers from the Department of Physics and the Institute for Photonic Quantum Systems (PhoQS) at Paderborn University have achieved a significant breakthrough in manufacturing quantum dots. These nanoscopic structures exhibit quantum properties and emit light in the optical C-band, specifically at wavelengths ranging from 1530 to 1565 nanometers. This accomplishment is notable because it marks … Read more

New room-temperature quantum sensors could revolutionize sensing technology

Nature’s most captivating aspects often lie in its imperfections. This notion holds especially true in the realm of quantum physics, where even minute flaws can have profound effects on particle behavior and interactions. In a recent publication in Nature Communications, Chong Zu, an assistant professor of physics at Washington University in St. Louis, and his … Read more

New discovery could lead to new laser and photocatalyst technologies

A team of researchers has made a groundbreaking discovery regarding the trapping of optical waves in three-dimensional randomly packed micro- or nanoparticles. This advancement, made possible by a significant boost in computing capability, has solved a decades-long mystery and holds tremendous potential for various applications including lasers and photocatalysts. The concept of Anderson localization, proposed … Read more

New research explores intersection of quantum theory and gravity

Professors Sheng Dong and Lu Zhengtian, leading a joint research group at the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS), have conducted a pioneering study on the coupling effect between neutron spin and gravitational force. Their research, published in Physical Review Letters, utilized a high-precision xenon isotope … Read more

Anomalous photon bunching discovered

Researchers from the Université libre de Bruxelles in Belgium have made a groundbreaking discovery in the field of photon interference. In a recent article published in Nature Photonics, they have proposed a thought experiment that challenges the conventional understanding of photon bunching. Photon bunching refers to the tendency of photons to group together when their … Read more

New theory could lead to more efficient photovoltaic cells

Photovoltaic technology plays a crucial role in mitigating climate change, but the current conventional photovoltaic cells waste over 70% of the energy provided by the sun. To achieve sustainable technological progress, it is imperative to address this issue. One critical factor affecting the efficiency of solar cells is their operational temperature. Extensive research has been … Read more

Laser printing of tunable materials could revolutionize optical devices

A groundbreaking achievement has been made by the Holography and Optical Processing Group (GHPO), as they have successfully utilized high-precision laser techniques to print tunable materials for the very first time. This remarkable advancement has been published in the esteemed journal Optics Express and signifies a significant breakthrough in the ability to manufacture tunable devices … Read more