Articles tagged with Quantum Efficiency
Physicists at the University of Queensland have created a new method for finding unknown quantum states, called self-guided tomography, which enables them to locate quvigints more quickly and accurately in high dimensions. This technique uses machine learning to pick directions, collect data, and process it to find the target state.
Researchers at Rice University and Los Alamos National Laboratory have discovered a technology to make electron sources from halide perovskite thin films, efficiently converting light into free electrons. The cost savings come from abundant and inexpensive raw materials and a simpler manufacturing process.
Researchers at Tohoku University studied Zinc-Oxide crystals' IQE in both light-emitting and non-light-emitting processes. The study found that deceleration of the non-light-emitting process, due to saturation of NRCs, dominated IQE increase.
A new machine learning-assisted method has been developed by Purdue University engineers to rapidly preselect solid-state quantum emitters for large-scale integration on chips. This approach significantly speeds up the process, reducing analysis time from minutes to seconds.
Researchers at Shinshu University developed a new photocatalyst design that enables efficient solar hydrogen production, with the ability to achieve near-perfect quantum efficiency. This breakthrough has significant implications for scalable and economically viable hydrogen production.
Researchers have developed TurboRVB, a first-principles quantum Monte Carlo package that overcomes drawbacks of density functional theory and wavefunction-based calculations. The code features resonating valence bond-type wave functions, state-of-the-art optimization algorithms, and lattice-regularized diffusion Monte Carlo method.
Researchers from SUTD and international partners developed a theoretical descriptor to quantitatively design PET-based fluorescence probes, accelerating biological research. The descriptor enables the accurate prediction and development of new fluorescent stains for live cell bioimaging.
Researchers at Universitat Autonoma de Barcelona developed an optimal procedure to identify clusters of identically prepared quantum systems, solving the challenge of sorting quantum data. The new protocol outperforms classical strategies, particularly for large dimensional data.
Scientists have created high-performance perovskite light-emitting diodes by rational molecular passivation, achieving a record-high 21.6% external quantum efficiency. The discovery overcomes defects in perovskites, allowing for efficient emission of near-infrared light.
Developed by HZB teams, the photocathodes exhibit high quantum efficiency and stability, crucial for superconducting electron sources. The new process delivers desired performance, with quantum efficiency remaining high even at low temperatures.
Researchers at UAlberta developed a new technique for storing quantum information in ultracold rubidium atoms, enabling efficient quantum communication and scalable technologies. The novel method uses clouds of atoms to store pulses of light, with significantly reduced technical requirements.
Scientists have developed a way to wrap photocathodes in graphene to prevent degradation and extend their lifetimes. The thin layer of graphene provides insulation from air without hampering charge mobility or quantum efficiency.
Researchers demonstrate a new algorithm to simulate quantum channels using IBM's cloud quantum computer, enabling efficient open system quantum simulation and exploring its applications in quantum communication. The method reduces gate complexity compared to Stinespring dilation, making it scalable for higher dimensions.
Researchers have discovered that quantum devices can process information more efficiently than classical devices by harnessing quantum theory. This breakthrough could lead to significant advancements in fields such as artificial intelligence and machine learning.
Researchers at Stanford University have created a novel quantum light source that can enable perfectly secure communication. By harnessing the quantum properties of light, they've overcome technical challenges in devices that send and receive quantum data.
Researchers connected two materials with unusual quantum-mechanical properties through a quantum constriction, enabling clean materials with intriguing quantum-mechanical properties. This collaboration opens up a new research direction for ultrafast and robust electronic networks.
The development of UV photodetectors has been driven by numerous applications in the defense, commercial, and scientific arenas. The researchers have brought this AlxGa1-xN-based device closer to reality by developing a compact photodetector with the world's highest quantum efficiency.
Researchers have directly observed quantum effects on energy transfer in photosynthesis, discovering coherence is responsible for maintaining transport efficiency and adaptability. This discovery raises questions about the evolution of quantum effects and potential applications in developing more efficient solar cells.
Researchers at JQI establish a new record for heralding efficiency, detecting entangled photons with 84% accuracy. This achievement paves the way for tighter loopholes over quantum reality and potentially random number generation.
Scientists at Vanderbilt University have overcome a major obstacle in producing fluorescent nanotubes, which can be used as contrast agents in cells and tissues. The breakthrough allows for the creation of trillions of nanotubes with high quantum efficiency, making them suitable for medical applications such as anti-cancer treatments.
A recent study has discovered substantial room for increasing the efficiency of nanotubes, which are crucial for producing light with novel properties. The research found varying quantum efficiencies among individual nanotubes, with some being up to 1,000% more efficient than others.