Physics

Engineers at the University of Pennsylvania have developed a groundbreaking new chip that utilizes light waves instead of electricity to perform complex mathematical operations crucial for AI training. This innovative silicon-photonic (SiPh) chip not only has the potential to significantly enhance processing speeds in computers but also reduce energy consumption, paving the way for more

The concept of black holes has long been a mystery that baffles scientists. The idea of a singularity at the center of a black hole, where space and time cease to exist, defies our understanding of the laws of physics. The event horizon, beyond which no information can escape, poses a significant challenge to scientific

The world of microscopy has seen incredible advancements in recent years, with the development of the DMD-3DSIM system marking a significant leap forward in our ability to explore the intricate structures of life at a cellular level. Designed by Professor Peng Xi’s team at Peking University, this innovative system combines digital display with super-resolution imaging

The field of quantum mechanics has long been restricted to extremely cold temperatures near absolute zero, making it challenging to observe and control quantum phenomena on a larger scale. However, a recent study led by Tobias J. Kippenberg and Nils Johan Engelsen at EPFL has revolutionized this notion. By combining quantum physics and mechanical engineering,

The field of quantum electronics is poised to revolutionize the way we store and transmit information. Unlike traditional electronics which relies on binary digits for memory storage, quantum electronics utilizes qubits to store information. One of the key challenges in quantum electronics has been transmitting quantum information over long distances, beyond just the adjacent quantum

The innovative metasurface technology developed by Penn State electrical engineering researchers is revolutionizing image processing capabilities. Mimicking the natural image processing power of the human eye, this optical element utilizes tiny nanostructures to control light and transform images. Unlike traditional AI systems that require significant computing power and energy, the metasurface preprocesses and transforms images

When it comes to diamonds and other semiconducting materials, defects are often seen as a negative aspect. However, recent research has shown that defects can actually be a quantum sensor’s best friend. These defects, which are essentially irregular arrangements of atoms, can contain electrons with an angular momentum, or spin, that have the ability to

In recent years, quantum physicists and engineers have been striving to develop innovative quantum communication systems that have the potential to revolutionize the field of communication. The University of Chicago researchers have made significant progress in this realm by introducing a new quantum communication testbed with remote superconducting nodes. Their groundbreaking research, published in Physical

Excitons with non-zero momentum have the ability to condense and form charge density waves (CDW), leading to the emergence of excitonic insulators in materials. A recent study conducted by researchers at Shanghai Jiao Tong University and other institutes delved into the possibility of a metal-insulator transition in the atomically thin semi-metallic HfTe2. Their findings, published

In a groundbreaking study published in Nature Physics, Cornell quantum researchers have identified the elusive Bragg glass phase through the use of advanced machine learning data analysis tools and large volumes of X-ray data. This discovery marks a significant milestone in the field of quantum physics, resolving a long-standing debate about the existence of the

Photon-number-resolving detectors (PNRDs) are essential for accurate determination of the number of photons in various quantum systems. Two key performance indicators for PNRDs are resolving fidelity and dynamic range. Superconducting nanostrip single-photon detectors (SNSPDs) are considered the leading technology for single-photon detection due to their high efficiency and speed. However, SNSPD-based PNRDs have faced challenges

The realm of quantum computing has long been praised for its potential to surpass classical computing in terms of both speed and memory utilization. Contrary to classical computers that rely on digital bits (0s and 1s), quantum computers make use of qubits to store quantum information in values between 0 and 1. The ability of

When radiation hits water, it initiates a series of complex reactions that have significant implications, especially in medical settings where X-rays are commonly used. Recent research conducted by a team of theoretical physicists at DESY, in collaboration with colleagues from Argonne National Laboratory, has shed light on the behavior of free electrons in water when