Photonics

Hybrid integration of a designer nanodiamond with photonic circuits via ring resonators. CreditSteven Burrows/Sun GroupJILA breakthrough in integrating artificial atoms with photonic circuits advances quantum computing efficiency and scalability.In quantum information science, many particles can act as “bits,” from individual atoms to photons. At JILA, researchers utilize these bits as “qubits,” storing and processing quantum 1s or 0s through a unique system.While many JILA Fellows focus on qubits found in nature, such as…

Lightmatter, a company founded by MIT alumni, is pioneering the use of light for data processing and transfer to address the limitations of traditional computing methods. (Artist’s concept.) Credit: SciTechDaily.comLightmatter, founded by three MIT alumni, is using photonic technologies to reinvent how chips communicate and calculate.Our ability to cram ever-smaller transistors onto a chip has enabled today’s age of ubiquitous computing. But that approach is finally running into limits, with some experts declaring an end…

Recent research has made significant strides in the development of optical neural networks, presenting a sustainable alternative to the energy and resource-intensive models currently in use. By leveraging light propagation through multimode fibers and a minimal number of programmable parameters, researchers have achieved comparable accuracy to traditional digital systems with significantly reduced memory and energy requirements. This innovative approach offers a promising pathway toward energy-efficient and highly…

The team has developed a world-leading MWP chip capable of performing ultrafast analog electronic signal processing and computation using optics. Credit: City University of Hong KongA research team has unveiled a microwave photonic chip that significantly enhances analog electronic signal processing, offering 1,000 times the speed and greater energy efficiency than existing processors. This innovation promises to revolutionize various sectors, including wireless communications and artificial intelligence.A research team…

Researchers have developed a new type of lens that uses a spiral-shaped surface to maintain a clear focus at different distances in varying light conditions. Credit: Laurent GalinierScientists have created a spiral-shaped lens capable of maintaining sharp focus across various distances under different lighting conditions. This innovative lens functions similarly to progressive lenses designed for vision correction, yet it eliminates the common distortions associated with such lenses. This breakthrough could significantly…

Advancements in superconducting nanostrip detectors have achieved high-fidelity, true-photon-number resolution up to 10 photons, marking a significant leap in quantum information technology. Credit: SciTechDaily.comWider superconducting strips enable better photon-number resolution, with greater dynamic range and fidelity.Using single photons as qubits has become a prominent strategy in quantum information technology. Accurately determining the number of photons is crucial in various quantum systems, including quantum…

By University of Pennsylvania School of Engineering and Applied Science February 16, 2024A new chip developed by Penn Engineers uses light to accelerate AI training, offering faster processing and reduced energy consumption while enhancing data privacy. (Artist’s concept.) Credit: SciTechDaily.comAn innovative new chip uses light for fast, efficient AI computations, promising a leap in processing speeds and privacy.Penn Engineers have developed a new chip that uses light waves, rather than electricity, to perform the…

Durham University scientists have discovered a new method to improve blue OLEDs, introducing hyperfluorescent technology that triples efficiency and offers more stable light emission. This advancement could lead to displays that are not only brighter and more durable but also significantly more energy-efficient. Credit: SciTechDaily.comA groundbreaking study has unlocked a novel approach for enhancing blue OLEDs, leading to displays that are brighter, more efficient, and longer-lasting, while consuming up to 30% less…

A new study reveals an innovative approach to photon confinement in quantum nanophotonics, introducing nanocavities that extend photon lifetime while maintaining subwavelength volumes, promising new advancements in quantum applications. Credit: SciTechDaily.comDr. Hanan Herzig Sheinfux, from Bar-Ilan University: “What started as a chance discovery, may well open the way to new quantum applications, pushing the boundaries of what we thought was possible.”In a significant leap forward for quantum nanophotonics, a team of…

Researchers have developed a novel solvent sieve method to create highly efficient and stable perovskite light-emitting diodes (PeLEDs) with unparalleled performance. Credit: SciTechDaily.comGroundbreaking solvent sieve method enhances perovskite light-emitting diode performance, achieving unprecedented efficiency and operational lifetime.Using a simple solvent sieve method, researchers from the Ningbo Institute of Materials Technology and Engineering (NIMTE) of the Chinese Academy of Sciences (CAS) have taken the lead in…