Archive for September 2009
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- A new search for dark energy begins
- The importance of electron temperature in silicon-based terahertz quantum cascade lasers
- Photocurrent spectroscopy investigation of deep level defects in Mg-doped GaN and Mg-doped AlGaN (0.20<0.52)
- Angular resolved effective optical properties of a Swiss cross metamaterial
- Frequency response of large aperture oxide-confined 850 nm vertical cavity surface emitting lasers
- Photocarrier recombination dynamics in highly excited SrTiO studied by transient absorption and photoluminescence spectroscopy
- Kinematic light scattering by 3D photonic crystals
- Assess DNA functionality in harsh environments
- Assess DNA functionality in harsh environments
- Colloquium on scientific and fundamental aspects of the Galileo programme
- When excellent on-axis performance is not good enough
- Hubble highlights two galaxies that are losing it
- Strain effects in group-III nitrides: Deformation potentials for AlN, GaN, and InN
- The effect of absorber doping on electrical and optical properties of nBn based type-II InAs/GaSb strained layer superlattice infrared detectors
- MachZehnderFano interferometer
- Nanoscale optical tomography using volume-scanning near-field microscopy
- Efficiency retention at high current injection levels in m-plane InGaN light emitting diodes
- Enhanced absorption of metals over ultrabroad electromagnetic spectrum
- Metallic nanoparticles as intermediate reflectors in tandem solar cells
- Sea-level stargazing: Astronomers make key sighting with Florida telescope
- SMART-1 mapped crash scene of upcoming LCROSS impact
- GigaGalaxy Zoom phase 3 completes the trilogy
- MESSENGER at Mercury â the third time’s the charm
- Algorithm variability in optical lithography
- Photocarrier recombination dynamics in highly excited SrTiO studied by transient absorption and photoluminescence spectroscopy
- Transmission interference tuned by an external static magnetic field in a two-slit structure
- Spacecraft sees ice on Mars exposed by meteor impacts
- Twin Keck telescopes probe dual dust disks
- Relaxation and emission of Bragg-mode and cavity-mode polaritons in a ZnO microcavity at room temperature
- Enhancement of light energy extraction from elliptical microcavity using external magnetic field for switching applications
- Experimental measurement of negative index in an all-dielectric metamaterial
- Deep Impact and other spacecraft find clear evidence of water on Moon
- NASA’s Spitzer spots clump of swirling planetary material
- Efficiently preparable states of light enable quantum computing by measurement
- High performance, high temperature lambda[approximate]3.7 [mu]m InGaAs/AlAs(Sb) quantum cascade lasers
- LOFAR observes across borders: first international fringes of ASTRON’s new telescope
- New vista of Milky Way center unveiled
- Video: New vistas in Adaptive Optics
- Coupling of InGaN/GaN multiquantum-wells photoluminescence to surface plasmons in platinum nanocluster
- Transmission of doughnut light through a bull’s eye structure
- Polymer hydrophilicity and hydrophobicity induced by femtosecond laser direct irradiation
- Cassini reveals new ring quirks, shadows during Saturn equinox
- Zooming to the center of the Milky Way â GigaGalaxy Zoom phase 2
- Erbium-doped GaN optical amplifiers operating at 1.54 [mu]m
- Nanosecond-pulse fiber lasers mode-locked with nanotubes
- Tailoring near-field patterns with concentrically corrugated plates
- GaAs/AlAs coupled multilayer cavity structures for terahertz emission devices
- Process to grow nanowires controls key properties
- Radiation loss of photonic crystal coupled-cavity waveguides
- GIOVE-A satellite orbit raised
- Planck satellite snaps its first images of ancient cosmic light
- Could salt crusts be key ingredient in cooking up prebiotic molecules?
- Global view of valleys on Titan shows north-south contrast
- Noncollinear interaction of femtosecond filaments with enhanced third harmonic generation in air
- Nonpolar m-plane GaN on patterned Si(112) substrates by metalorganic chemical vapor deposition
- Wavelength dependence of the damage threshold of inorganic materials under extreme-ultraviolet free-electron-laser irradiation
- European Southern Observatory unveils an interactive, 360° panoramic view of the entire night sky
- Ganymede’s magnetosphere makes a big impression on Jupiter’s auroral lightshows
- Characterizing and designing photopolymer materials
- Extraction of semiconductor microchip differential gain by use of optically pumped semiconductor laser
- Nanoscale band gap spectroscopy on ZnO and GaN-based compounds with a monochromated electron microscope
- Combined optical trapping and microphotoluminescence of single InP nanowires
- Self-pulsing 1050 nm quantum dot edge emitting laser diodes
- Controlling the directional emission of holey organic microlasers
- 11th ICATPP
- Mini-comets within a comet lit up 17P/Holmes during mega-outburst
- New maps of seasonal polar caps will refine martian climate models
- Discovered: First rocky planet outside our solar system
- No such pipe, or this pipe has been deleted
- Longest lightning storm on Saturn breaks solar system record
- Submicron ionography of nanostructures using a femtosecond-laser-driven-cluster-based source
- Verification of p-n junctions in polymer light-emitting electrochemical cells via electrical characterization
- Internal quantum efficiency of c-plane InGaN and m-plane InGaN on Si and GaN
- Strong improvement in the photonic stop-band edge sharpness of a lithium niobate photonic crystal slab
- Astronomy magazine celebrates its new observatory
- New transient radiation belt discovered at Saturn
- Jupiter captured comet for 12 years in mid-20th century
- Active control of surface plasmon polaritons by optical isomerization of an azobenzene polymer film
- High-speed all-optical modulation of a standard quantum cascade laser by front facet illumination
- Characterization of terahertz emission from a dc-biased filament in air
- The Lunar Crater Observation and Sensing Satellite reveals target crater for lunar south pole impacts
- Capacitance switching in SiO thin film embedded with Ge nanocrystals caused by ultraviolet illumination
- Improving CCD radiation tolerance
- Selective excitation of laser modes in an organic photonic dot microcavity
- Innovative x-ray polarimeters enable development of new NASA observatory
- Innovative x-ray polarimeters enable development of new NASA observatory
- Magnetic fields play larger role in star formation than previously thought
- First images from rejuvenated Hubble unveiled
- Laser dynamic forming of functional materials laminated composites on patterned three-dimensional surfaces with applications on flexible microelectromechanical systems
- High-temperature continuous-wave operation of low power consumption single-mode distributed-feedback quantum-cascade lasers at lambda~5.2 [mu]m
- Contribution of water droplets to charge release by laser filaments in air
- Surface-plasmon distributed-feedback quantum cascade lasers operating pulsed, room temperature
- Extremely high efficient coupling between long range surface plasmon polariton and dielectric waveguide mode
- High efficiency reflective liquid crystal polarization gratings
- Mars Reconnaissance Orbiter mission status report: preventive care continues; science on hold
- Thousands of new images show Mars in high resolution
- Using direct laser writing for 3D nanophotonic structures
- Practical fast gate rate InGaAs/InP single-photon avalanche photodiodes
- Slow light in narrow paraffin-coated vapor cells
- Photonic bandgap engineering with inverse opal multistacks of different refractive index contrasts
- Rate equation analysis of efficiency droop in InGaN light-emitting diodes
- Practical B and P doping via SiSnGeM quaternaries lattice matched to Ge: Structural, electrical, and strain behavior
- Dual-operation-mode LCDs
- University of Hawaii astronomer finds giant galaxy hosting the most distant supermassive black hole
- Student project puts Internet users in control of their own universe
- Record pulsed power demonstration of a 2 [mu]m GaSb-based optically pumped semiconductor laser grown lattice-mismatched on an AlAs/GaAs Bragg mirror and substrate
- m-plane pure blue laser diodes with p-GaN/n-AlGaN-based asymmetric cladding and InGaN-based wave-guiding layers
- Single source coherent anti-Stokes Raman microspectroscopy using spectral focusing
- Efficient picosecond optical parametric oscillator based on periodically poled lithium tantalate
- XMM-Newton telescope uncovers a celestial Rosetta stone
- Excitation-induced energy shifts in the optical gain spectra of InN quantum dots
- Precise radio-telescope measurements advance frontier gravitational physics
- Mount Wilson Observatory: View from the mountaintop
- Photonically controlled DNA nanomachines