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nonlinear News
Measurement-based Quantum Compute Leaves Bottlenecks at the Gate
WAKO, Japan, Dec. 27, 2023 — Much of the progress so far in quantum computing has been done on so-called gate-based quantum computers. These devices use physical components, most notably superconducting circuits, to host and control the qubits. The approach bears similarity to conventional, device-based classical computers. The two computing architectures are thus relatively compatible and could be used together in hybrid. Furthermore, future quantum computers could be fabricated by harnessing existing technologies used
Fabrication Method Enables Novel Metamaterial Properties
PHILADELPHIA, Nov. 24, 2023 — In recent decades, researchers have fabricated metamaterials that interact with light in ways that go beyond the physical limits imposed on naturally occurring materials. A metamaterial is composed of arrays of “meta-atoms,” which have...
Photonic System Explores Two-Dimensional Topological Pumping
SHANGHAI, Jan. 3, 2023 — In photonic systems, Thouless pumping enables light transport to take place in a robust way. The method is quantized — determined by the global rather than the local properties of a system. It exhibits topological features, and its ubiquitous...
Frequency Converters Take Big Step Toward Miniaturizing Lasers
NEW YORK, Aug. 30, 2022 — Researchers from Columbia University and Politecnico di Milano used an atomically thin material to build microscopic color converters. The advancement is a first step toward replacing the standard materials used in today’s tunable lasers,...
New Optical Switch Could Lead to All-Optical Signal Processing
PASADENA, Calif., Aug. 2, 2022 — An optical switch developed by Caltech researchers harnesses the property of optical nonlinearity and aims to enable ultrafast all-optical signal processing and computing. According to its developers, the technology could help to bypass one of the...
Laser Experiment Shows Role of Memory in Stochastic Resonance
AMSTERDAM, June 3, 2021 — A laser experiment conducted by scientists at AMOLF (part of the Netherlands Organisation for Scientific Research) has enhanced understanding of the role of memory in stochastic resonance. Stochastic resonance describes the phenomenon in which a...
Optical Moiré Lattices Produce Solitons
SHANGHAI, Oct. 14, 2020 — Researchers from Jiao Tong University discovered that optical moiré lattices can produce solitons — self-trapped solitary waves — at extremely low power levels. The research establishes potential to explore nonlinear phenomena...
Quantum Microscope Squeezes Out Noise
OAK RIDGE, Tenn., Sept. 16, 2020 — Researchers at the U.S. Department of Energy’s Oak Ridge National Laboratory (ORNL) used quantum optics to advance state-of-the-art microscopy and, in doing so, chart a a path to detecting material properties with greater sensitivity than is...
Ultrafast Yellow Laser Ramps Up the Power for Biomedical Applications
AHMEDABAD, India, Sept. 11, 2020 — Researchers at the Physical Research Laboratory at Gujarat University have developed a compact and ultrafast high-power yellow laser. The tunable laser shows excellent beam quality, helping fill a need for a practical yellow light source emitting...
Experiments Take Step Toward Micro Photonic Chips
SYDNEY, March 11, 2014 — The creation of photonic chips at the micron scale may not be too far off, as seen in an experiment involving silicon photonic crystal.
Mordechai Segev Awarded Israel Prize
HAIFA, Israel, Jan. 24, 2014 — Physicist Mordechai Segev has been awarded the Israel Prize for his work in the field of optics and lasers.
ERC Grant Furthers Study of Quantum Info Processing
VIENNA, Jan. 23, 2014 — A five-year, $2.7 million grant awarded by the European Research Council (ERC) will further the study of fiber-based quantum communications and information processing. Arno Rauschenbeutel, a professor at the Atomic Institute at Vienna University of...
Zero-Index Material Generates Nonlinear Light
BERKELEY, Calif., Dec. 6, 2013 — A unique optical metamaterial with a refractive index of zero was used to generate light waves that gain strength as they move through the material in all directions. This demonstration of “phase mismatch-free nonlinear light” holds...
Multimodal Imaging: Combining Techniques to Give Microscopists a Boost
May 24, 2011 — On the way to conjoining two well-established but disparate imaging modalities, a FLIM (fluorescence lifetime imaging) and CARS microscope was achieved along with the development of an adapter that could bring real change to the way microscopists...
Nonlinear Dynamics Expands Sales Team
NEWCASTLE UPON TYNE, England, Jan. 18, 2011 — Software company Nonlinear Dynamics Ltd. announced the expansion of its sales team through the creation of two new senior positions in the US and Europe. Based in Germany, Dr. Leonhard Pollack joined the company to support the territories of...
Bending Light at will with Transformation Optics
May 10, 2010 — Invisibility cloaks get all the publicity, but they may just be the beginning if the promise of transformation optics can be realized. The discipline could lead to smaller photonic and electronic devices and more cost-competitive solar cells –...
Designer molecules promise all-optical processing
ATLANTA – Supporters of all-optical switching say it will allow dramatic speed increases in data communications by eliminating the need to convert photonic signals to electronic signals – and back. All-optical processing – switching light using...
Shasta Crystals Nabs $150K NSF Grant
ANDERSON, Calif., April 23, 2010 — Crystal growth company Shasta Crystals announced that it has been awarded a $150,000 grant from the National Science Foundation for the Phase I project entitled, “Potassium lithium niobate (KLN) grown by modified laser heated pedestal growth...
Noise Turned into Vision
PRINCETON, N.J., April 2, 2010 — By adjusting an electrical voltage across a crystal of nonlinear material, researchers have developed a new technique for revealing images of hidden objects that may one day allow pilots to peer through fog and doctors to see more precisely into the...
Green is good for Asian laser makers
HSINCHU, Taiwan; and FUJIAN and SHANGHAI, China – For Asian laser diode makers, green seems to be the dominant hue. It shows up in emerging and recovering markets, as a look at just a few companies reveals. At HC Photonics Corp. in Hsinchu, for example, green is the color – for now. That may change...
FiO Hot Topics: Hot Optics
SAN JOSE, Calif., Oct. 13, 2009 -- New types of research that explore breakthroughs in medical imaging, solar power, communications and vision were presented during "What's Hot in Optics Today?" during Frontiers in Optics 2009 (FiO) Sunday. About 100 conference early birds gathered...
FiO Hot Topics: Hot Optics
SAN JOSE, Calif., Oct. 13, 2009 -- New types of research that explore new avenues in medical imaging, solar power, communications and vision were presented during "What's Hot in Optics Today?" during Frontiers in Optics 2009 (FiO) Sunday. About 100 conference early birds attended the...
Scrambled Light Hones Images
PRINCETON, N.J., April 22, 2009 – A new imaging system can unscramble the rich visual information provided by nonlinear optical materials to produce sharper images with a wider field of view. This method makes it possible to create high-resolution images at any chosen point – at the...
Imagine Optic, ICFO to Build Multiphoton Imaging System
Sep 8, 2008 — French company Imagine Optic, a provider of Shack-Hartmann wavefront sensing technology, has teamed with the ICFO (Institut de Ciències Fotòniques, or Institute of Photonic Sciences) in Barcelona, Spain, to develop an ultrasharp multiphoton imaging...
Solar Research Tops Agenda
SAN DIEGO, June 24, 2008 -- The latest research, technologies and applications in solar and alternative energies, nanotechnology, organic LEDs, optical design and remote sensing will be discussed at SPIE Optics+Photonics 2008, the largest optical sciences and technology...
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May 2024
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