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Santa Barbara News
Metasurface Design Approach Achieves Unidirectional Luminescence in LEDs
SANTA BARBARA, Calif., June 5, 2020 — Using a metasurface-based design, researchers at the University of Santa Barbara, California (UCSB) developed a way to extract more photons from LEDs and direct the light emitted from LEDs with greater precision. Their approach could be used to create more efficient and versatile LED display and lighting technologies. LEDs emit spontaneous light, in contrast to the coherent light emitted by a laser. Spontaneous emission samples all the possible ways the photon is allowed to go, so the
Quantum Foundry to Develop Materials for Quantum-Based Technologies
SANTA BARBARA, Calif., Sept. 24, 2019 — The University of California, Santa Barbara will be the home of the nation’s first Quantum Foundry, a center for developing materials and devices for quantum-information-based technologies. Research at the Quantum Foundry will focus on three...
Collaborators Develop an Ultra Quiet Laser, with Chip-scale Applications
SANTA BARBARA, Calif., Feb. 11, 2019 — Researchers at University of California, Santa Barbara and their collaborators at Honeywell, Yale, and Northern Arizona University have developed a chip-scale laser capable of emitting light with a fundamental linewidth of less than 1 hertz (Hz)...
UCSB’s Pollock Receives Vannevar DoD Fellowship
SANTA BARBARA, Calif., June 14, 2017 — Tresa Pollock, chair of the materials department of the University of California, Santa Barbara (UCSB), has received a 2017 Vannevar Bush Faculty Fellowship from the U.S. Department of Defense (DoD). The award includes $3 million to fund five years...
Theoretical Technique Identifies Defects in LED Materials
SANTA BARBARA, Calif., April 15, 2016 — The discovery and characterization of a specific type of defect in the atomic structure an LED that results in less efficient performance could enable fabrication of even more efficient, longer-lasting light sources. Improving the internal quantum...
Carbon Sciences Funds UCSB Research into Graphene Optical Modulators
SANTA BARBARA, Calif., Dec. 17, 2015 — Carbon Sciences Inc. will fund R&D at the University of California, Santa Barbara, of a graphene-based optical modulator, a fiber optic component intended to address data center bottlenecks and enhance cloud computing. The company believes that...
DNA, Silver Used to Create Fluorescent Arrays
SANTA BARBARA, Calif., May 5, 2015 — A research team at the University of California, Santa Barbara, has discovered how to create a programmed, tunable fluorescent array by cradling silver nanoclusters inside synthetic DNA. Led by Beth Gwinn, a professor in UCSB’s physics...
Nanostructures Enable Step Toward OLED Lasers
SANTA BARBARA, Calif., March 2, 2015 — Organic LEDs made with finely patterned nanostructures can produce bright, low-power light sources, a key step toward making organic lasers. Researchers have long dreamed of building organic lasers, but they have been hindered by carbon-based...
LED, Microscopy Pioneers Earn Nobels In Physics, Chemistry
Nov 5, 2014 — Photonics enjoyed a brighter global spotlight than usual last month, as both the physics and chemistry Nobel prizes were awarded to recognize significant advances in light-based technologies: blue LEDs and superresolution microscopy. The physics...
Blue LED Inventors Win Nobel Prize
STOCKHOLM, Sweden, Oct. 7, 2014 — Three LED developers have been awarded the 2014 Nobel Prize in Physics.
Semiconductor Manipulates IR Light
SANTA BARBARA, Calif., April 11, 2014 — Enhanced imaging, energy efficiency and telecommunications are among applications that could benefit from the creation of a unique compound semiconductor.
Better Lasers, Better Computing
Feb 13, 2014 — To take communications to the next level, laser technologies must improve in terms of cost, efficiency and robustness. Fortunately, those improvements are in the works. Whether traveling through free space or over a fiber, lasers power data delivery...
Space Lasers Set to Protect Earth, Project Data
Nov 1, 2013 — From obliterating asteroids to nudging space trash, lasers in space are becoming every bit as futuristic as they sound. Lasers in space have long been a science-fiction writer’s delight, but with current projects such as LightForce and DE-STAR...
Incoming asteroid! Set lasers on “vaporize”
Mar 1, 2013 — As this issue went to press, an asteroid roughly half as large as a football field – and with energy equal to that of a large hydrogen bomb – readied for a flyby of Earth. A proposed system could eliminate a threat of this size in the...
New Materials Build Better Organic Photodetectors
Aug 1, 2011 — Organic photodetectors are destined to enhance numerous sectors ranging from industrial markets for process control, object recognition and light management to consumer electronics for motion detection and interactive surface applications. OPDs,...
Laser Controls Quantum State in Diamond
SANTA BARBARA, Calif., Nov. 2, 2010 — Laser light has successfully been combined with trapped electrons to detect and control the electrons' fragile quantum state without erasing it. This is an important step toward using quantum physics to expand computing power and to communicate over...
ASU Joins Cree University Program
DURHAM, N.C., Feb. 11, 2010 – Cree, a market leader in LED lighting, announced that Arizona State University (ASU) joined the Cree LED University program, an international community of universities working to accelerate the adoption of energy-efficient LEDs across their...
Harmonic Oscillators
SANTA BARBARA, Calif., Aug. 5, 2008 – University of California, Santa Barbara (UCSB) researchers have made a major breakthrough in experimental quantum mechanics. UCSB physicists Max Hofheinz, John Martinis and Andrew Cleland have documented how they used a superconducting electronic...
NAS Names 72 New Members
WASHINGTON, May 1, 2007 -- Seventy-two new members and 18 foreign associates from 12 countries were elected to the National Academy of Sciences (NAS) in recognition of their achievements in original research. The elections were held during a business meeting today during the...
Nanotech Workplace Safety Information Found Lacking
SANTA BARBARA, Calif., Nov. 20, 2006 -- The first comprehensive, international survey of workplace safety practices in the burgeoning nanotechnology industry finds that many nanotech companies and laboratories believe nanoparticles –– specks of matter that are smaller than living cells ––...
Electro-Optic Test Equipment Company Expands
May 1, 2003 — Santa Barbara Infrared Inc. has relocated to a 25,000-sq-ft facility in Santa Barbara, Calif., increasing its space by more than 50 percent, to accommodate its growth over the past two years. The modernized building will house administrative...
(21 results found)
May 2024
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