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Ultralight, Handheld Terahertz Spectrometer

"T-rays" have been touted as the next breakthrough in sensing and imaging, but the need for bulky equipment has been an obstacle to reaching the field's potential.

13 Jul 2007

Dual-Modality Microbeads Identify Disease Biomarkers

Analyzing human blood for a very low virus concentration or a sample of water for a bioterrorism agent has always been a time-consuming and difficult process.

13 Jul 2007

Cornell Researchers Create Broadband Light Amplifier on a Silicon Chip

Cornell University researchers have created a broadband light amplifier on a silicon chip, a major breakthrough in the quest to create photonic microchips.

8 Jul 2007

Peter Zoller Wins Dirac Medal 2006

Peter Zoller, professor of physics at the University of Innsbruck and scientific director of the Institute for Quantum Optics and Quantum Information at the Austrian Academy of Sciences, has won the Dirac Medal 2006.

8 Jul 2007

Hybrid Silicon Evanescent Laser Offers Alternative to Silicon Raman Lasers

In what promises to be an important advance, researchers at the University of California, Santa Barbara have developed a novel laser by bonding optical gain layers directly to a silicon laser cavity.

8 Jul 2007

Scientists Perform Atomic Spectroscopy with Integrated Optics on a Chip for First Time

Researchers at the University of California, Santa Cruz, have performed atomic spectroscopy with integrated optics on a chip for the first time, guiding a beam of light through a rubidium vapor cell integrated into a semiconductor chip.

8 Jul 2007

New Form of Transistor and a New Form of Laser at Once

The transistor laser invented by scientists at the University of Illinois at Urbana-Champaign has now been found to possess fundamental non-linear characteristics that are new to a transistor and permit its use as a dual-input, dual-output, high-frequency signal processor.

8 Jul 2007

Fastest Measurements Ever of Molecular Dynamics

In the last decades there has been a revolution in measuring time-dependent molecular motion, thanks to improvements in laser technology.

8 Jul 2007

New Method for Using Laser Beams to Accelerate Ions

Scientists at Los Alamos National Laboratory, in collaboration with researchers from the University of Nevada, Reno, Ludwig-Maximilian-University in Germany, and the Max-Planck-Institute for Quantum Optics in Germany, have developed a new method for using a laser beam to accelerate ions.

8 Jul 2007

Highly Efficient Room-Temperature Nanometer-Scale Laser

Scientists at Yokohama National University in Japan have built a highly efficient room-temperature nanometer-scale laser that produces stable, continuous streams of near-infrared laser light.

8 Jul 2007