Articles tagged with Nanolasers
Researchers have uncovered two mechanisms governing coherence in plasmonic nanolasers, allowing for ultrafast pulse modulation and independent optical channels. The discovery establishes a unified physical picture of coherence formation and provides new design principles for nanoscale photonic devices.
Researchers at the University of Utah have developed a new method of 3D printing that creates shapes with voids using a nanoscale 'mask' that diffracts laser light. The process takes as little as 7.5 seconds, a significant improvement over traditional laser-based printing methods.
Researchers at DTU Electro have developed a method to double the usable wavelength range of ultra-low-noise supercontinuum lasers in a single fiber. This breakthrough enables stable broadband light with exceptionally low noise, benefiting medical imaging, gas sensing, and spectroscopy. The new source spans from 0.86 to 2.90 micrometers...
Researchers at Technical University of Denmark developed a groundbreaking nanolaser that can halve a computer's energy consumption. This technology has the potential to revolutionize various industries, including information technology and healthcare, by enabling ultra-small and energy-efficient lasers.
Researchers developed a novel fabrication method for thin-film temperature sensors that operate across an exceptionally wide temperature range, from –50 °C to 950 °C. The technique eliminates the need for complex protective layers, making it faster and cheaper to produce sensors.
Researchers at Kaunas University of Technology (KTU) have developed a unique nanolaser that uses silver nanocubes to generate and amplify light. The laser's operating principle resembles a hall of mirrors, allowing efficient light generation in an optically active medium.
Scientists at Chalmers University of Technology have successfully combined nonlinear and high-index nanophotonics in a single nanoobject, creating a disk-like structure with unique optical properties. The discovery has great potential for developing efficient and compact nonlinear optical devices.
Researchers have developed high-performance ultrafast lasers on nanophotonic chips, enabling compact devices for GPS-free precision navigation, medical imaging, food safety inspection and other applications. The new technology has the potential to enable futuristic chip-scale atomic clocks, biological imaging and more.
Scientists have developed BiBurst mode, which groups femtosecond laser pulses in MHz envelopes to increase ablation speed and improve throughput. The technique achieves 23 times faster ablation of silicon without compromising quality.
Researchers developed an all-optical approach to pumping chip-based nanolasers, enabling dense arrays of highly precise devices. This method could aid in meeting the growing need for faster data processing, streaming ultra-high-definition movies and gaming.
Scientists have created nanomechanical resonators with extremely high quality factors using a regular polygon design, leading to compact devices for sensing weak forces. The new design allows for precision force sensing with sensitivity approaching state-of-the-art atomic force microscopes.
A magnetic field can be used to switch nanolasers on and off, leading to unprecedented robustness in signal processing. The new control mechanism may prove useful in a range of devices that make use of optical signals, particularly in topological photonics.
Researchers have successfully demonstrated laser emission from ultra-thin crystals consisting of three atomic layers, a breakthrough that could lead to miniaturized circuits and future quantum applications. The discovery showcases the potential of these materials as a platform for new nanolasers capable of operating at room temperature.
Researchers from DTU develop Fano laser, harnessing bound-state-in-the-continuum to improve coherence. This advancement enables ultrafast and low-noise nanolasers for high-speed computing and integrated photonics.
Researchers have developed an approach to create electrically driven nanolasers for integrated circuits, enabling coherent light source design at the nanoscale. This breakthrough could lead to ultrafast optical data transfer and potentially create a 1,000-core processor that is virtually 100 times faster than its counterpart.
A team of scientists demonstrates a low-threshold topological nanolaser in a 2D topological photonic crystal nanocavity, achieving high performance comparable to conventional semiconductor lasers. The design features a second-order corner state that provides robustness against defects and enhances light-matter interaction.
Researchers at Arizona State University have discovered a mechanism to produce optical gain in 2D semiconductor materials, enabling the creation of low-power nanolasers. This breakthrough could lead to game-changing applications in supercomputing and data centers.
Scientists have developed a technique to produce highly ordered particle layers using tiny gold particles encapsulated in soft polymer beads. The resulting ultrathin superlattices exhibit collective resonances when excited by light, enabling potential applications in optoelectronics and nanophotonics.
Researchers have created a new method to synthesize miniature light sources using optically active halide perovskites. The process produces millions of nanolasers in a few minutes and offers good control over synthesis, making it suitable for industrial adaptation.
Researchers from Moscow Institute of Physics and Technology developed a method to distinguish between true laser action and LED-like regime in nanolasers. The new technique allows for the calculation of a nanolaser's actual lasing threshold, which is crucial for its practical applications.
A Northwestern University team developed a novel nanolaser that changes colors by controlling the spacing among metal nanoparticles, inspired by chameleons' skin structure. The laser is robust, tunable, reversible and highly sensitive to strain.
Researchers developed a new laser source that stores light energy in nanoscale disks, enabling ultrafast light pulses suitable for studying neural connections and machine learning. This innovation has the potential to revolutionize optically powered neurocomputers.
Researchers at Northwestern University have created the world's first liquid nanoscale laser that can change colors in real time. The technology has significant advantages over traditional lasers, including simplicity, affordability and room-temperature operation.
The UW nanolaser is built using a single atomic sheet of a tungsten-based semiconductor, which emits light efficiently and can be easily fabricated. This technology has the potential to revolutionize next-generation computing and optical communication by consuming less energy and enabling faster device performance.
A team of researchers created a photonic crystal nanolaser biosensor that can detect DNA and biomolecules based on wavelength shift and laser emission intensity changes. This method is simpler and potentially less expensive than existing techniques, making it a promising tool for disease diagnosis.
A breakthrough in nanolaser technology has enabled the creation of room-temperature, electrically powered devices. This achievement paves the way for their use in various practical applications, such as improving electronic and photonic technologies.
Physicists at UT Austin have developed the world's smallest semiconductor laser, operating below the 3D diffraction limit. The breakthrough device uses nanolasers to generate optical signals and transmit information, potentially replacing electronic circuits.
A team of UC San Diego researchers created the smallest room-temperature nanolaser to date, as well as a highly efficient, thresholdless laser that funnels all its photons into lasing without waste. These breakthroughs could enable the development of future optical circuits packed onto tiny computer chips.
Researchers at Purdue University have successfully created a nanolaser called spaser, which emits visible light and could revolutionize future technologies based on nanophotonic circuitry. The device overcomes the limitation of current lasers being too large to integrate into electronic chips.
Researchers at Yokohama National University demonstrate a highly efficient room-temperature nanolaser that produces stable, continuous streams of near-infrared laser light. The device uses a photonic crystal design to achieve its high efficiency, enabling applications in future miniaturized circuits.