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Optics & Photonics news
Scientists observe Hubbard exciton in strongly correlated insulators
A team of scientists, led by Dr. David Hsieh from the California Institute of Technology, have observed evidence of stable Hubbard excitons in a photo-doped antiferromagnetic Mott insulator. The findings of their study are ...
Smartphone utilizes 3D information encryption with dual-light-emitting materials
Over the past decade, there has been remarkable advancement in state-of-the-art technologies, leading to a profound alteration in the way individuals interact and exchange information, resulting in the emergence of a "hyper-connected ...
Optics & Photonics
Sep 22, 2023
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Achromatic diffractive liquid-crystal optics for virtual reality displays
As a promising candidate for the next-generation mobile platform, mixed reality (MR) such as Apple Vision Pro and Meta Quest Pro (both are passthrough virtual reality headsets) has the potential to revolutionize the way we ...
Optics & Photonics
Sep 21, 2023
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Material would allow users to 'tune' windows to block targeted wavelengths of light
Researchers have demonstrated a material for next generation dynamic windows, which would allow building occupants to switch their windows between three modes: transparent, or "normal" windows; windows that block infrared ...
Condensed Matter
Sep 21, 2023
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Study paves the way for new class of nanoscale devices, new opportunities in photonics
Non-Hermitian systems have numerous alluring optical properties at exceptional points (EPs) and have attracted extensive attention because of their great prospects in applications such as optical sensing, integrated optics, ...
Optics & Photonics
Sep 21, 2023
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Revealing the general characteristics of fiber Rayleigh scattering based on deep learning
Scattering in media has unique inherent randomness. Fiber Rayleigh scattering is one of the typical scattering effects. The exploration and understanding of the characteristics of fiber Rayleigh scattering holds significant ...
Optics & Photonics
Sep 20, 2023
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Researchers develop biodegradable optical fiber to measure or modulate electrical current in the body
Electrical signals control a vast number of activities in the human body, from exchanges of messages between brain neurons and stimulation of the heart muscle to the impulses that enable hands and feet to move, among many ...
Optics & Photonics
Sep 20, 2023
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Composite 2D materials for fiber lasers show promise for ultrafast optics applications
The formation of dissipative solitons is influenced by several factors, such as spectral filtering effects and Kerr nonlinear effects. This interaction leads to the possibility of mode locking over a wide range of parameters, ...
Optics & Photonics
Sep 20, 2023
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New method makes microcombs 10 times more efficient
Microcombs can help us discover planets outside our solar system and track new diseases in our bodies. But current microcombs are inefficient and unable to reach their full potential. Now, researchers at Chalmers University ...
Optics & Photonics
Sep 20, 2023
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Researchers introduce novel organic light-emitting diode with ultralow turn-on voltage for blue emission
Blue light is vital for light-emitting devices, lighting applications, as well as smartphone screens and large screen displays. However, it is challenging to develop efficient blue organic light-emitting diodes (OLEDs), owing ...
Optics & Photonics
Sep 20, 2023
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Study shows high-resolution light field displays and vision correction result in enhanced virtual experiences
Near-eye displays are emerging as the future of portable devices, providing individuals with immersive virtual reality experiences. The primary objectives in developing these displays are to create immersive experiences and ...
Optics & Photonics
Sep 19, 2023
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Researchers use liquid metal and laser ablation to create stretchable miniature antennas
Researchers have developed a new method for making tiny stretchable antennas from a hydrogel and liquid metal. The antennas could be used in wearable and flexible wireless electronic devices to provide a link between the ...
Condensed Matter
Sep 18, 2023
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Unveiling the invisible: A bioinspired CMOS-integrated polarization imaging sensor
Polarimetric imaging can uncover features invisible to human eyes and conventional imaging sensors, and it is becoming an ever more essential technique in modern society. Conventional polarimetric imaging systems require ...
Optics & Photonics
Sep 18, 2023
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Upconversion photoluminescence appears to shine polarized and brighter
Lanthanide-doped upconversion nanoparticles (UCNPs) demonstrate many superior properties of broadly-tunable multicolor emission and long emission lifetimes. This makes them well-suited for many light-emission applications. ...
Optics & Photonics
Sep 18, 2023
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Scalable multipartite entanglement achieved with ultracold atoms in optical lattice
Researchers from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS), in collaboration with researchers from Tsinghua University, led by Ma Xiongfeng, and Fudan University, led ...
Optics & Photonics
Sep 18, 2023
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New quasi-particle bridges microwave and optical domains
In a paper published today (Sept. 18) in Nature Communications, researchers from the Paul-Drude-Institut in Berlin, Germany, and the Instituto Balseiro in Bariloche, Argentina, demonstrated that the mixing of confined quantum ...
Condensed Matter
Sep 18, 2023
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New metamaterial-based strategy to combine and transmit multiple light modes
The past few years have seen a massive surge in the amount of data transferred and processed per second. Rapidly emerging technologies, such as high-dimensional quantum communications, large-scale neural networks, and high-capacity ...
Optics & Photonics
Sep 15, 2023
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Synergy of traditional techniques and deep learning enables single-frame high-precision fringe pattern analysis
Optical metrology, as a general-purpose metrology technique that uses light as information carriers for non-contact and non-destructive measurement, is fundamental to manufacturing, basic research, and engineering applications.
Optics & Photonics
Sep 15, 2023
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All-fiber ellipsometer for nanoscale dielectric coatings
Measuring the refractive index and the thickness of thin films (films with a thickness from less than a nanometer to several microns) is essential to characterize them and improve the performance of sensors and devices that ...
Optics & Photonics
Sep 15, 2023
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A nonrelativistic and nonmagnetic mechanism for generating terahertz waves
Scientists and engineers keep developing ever faster and more powerful technological devices. But there is a need for even faster and more efficient electronics. A promising route is to take advantage of terahertz waves, ...
Optics & Photonics
Sep 14, 2023
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A new LED design for next-level realism in immersive displays
Atomic-scale spin-optical laser: New horizon for optoelectronic devices
A theory of strong-field non-perturbative physics driven by quantum light
Infrared avalanche photodiodes from bulk to 2D materials
New scalable, etching-based technique for precise tuning of microdisk lasers
Study reports observation of nonlinear disclination states
Illuminating new horizons: Navigating nonlinear scattering with precision
Realizing ultrafast imaging from 2D to quasi 3D
Other news
New low-density exoplanet discovered with TESS
NASA readies for dramatic return of asteroid sample to Earth
Red Sea corals threatened by mystery sea urchin deaths
Why flat-faced dogs seem more cuddly than longer-muzzled dogs
A simpler way to connect quantum computers
Micro-optical technology based on metamaterials takes center stage
Brighter comb lasers on a chip mean new applications
Manipulating polaron transport via laser-induced coherent phonons
Jellyfish shown to learn from past experience for the first time
Research estimates that a mere 2% of all chemical exposure has been identified
