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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

Virus-Sized Nanostars

New optics research from Rice University's Laboratory for Nanophotonics suggests that tiny gold particles called nanostars could become powerful chemical sensors.

8 Jul 2007

Scientists Build Ultrasound Analogue of the Laser (Uaser)

Researchers at the University of Illinois at Urbana-Champaign and at the University of Missouri at Rolla have built an ultrasound analogue of the laser.

8 Jul 2007

Photonic Computers

An £820,000 research project begins soon which could be an important step in bringing the dream of photonic computers – devices run using light rather than electronics – onto the desktop.

8 Jul 2007