New Bose Sounddock 10's features Nov 1, 2009
The entire range from deep lows to soaring highs comes from the advanced Bose waveguide technology coupled with a new woofer. The SoundDock 10 plays music from any iPod or iPhone and you can also enjoy an additional sound source such as an MP3 or DVD player by connecting it to the systems auxilliary input. (India Times)
Going Plasmonic In Search Of Faster Computing, Communications Oct 27, 2009
By exciting the electrons with light it is possible to propagate high-frequency waves of plasmons along a metal wire or waveguide, thus transmitting a data signal ... The Plasmocom team took a novel approach, developing what they called dielectric-loaded surface plasmon polariton waveguides (DLSPPW) ... By patterning a layer of various polymer (polymethyl methacrylate) dielectic onto gold film supported by a glass substrate, they were able to achieve waveguides that were only 500 nanometres in... (Science Daily)
First 'One-way Roads' For Light Could Lead To Simpler Lightwave Technology Oct 10, 2009
The results, published in the 8th October 2009 edition of Nature, show the first experimental observation of the fascinating new phenomena and capabilities associated with microwave light propagating in this uniquely designed waveguide (a tunnel or "road" for guiding light). Through the application of an external magnetic field, this specially designed waveguide induces unusual restrictions to the propagation of the light inside it ... For example, instead of light being able to travel to the... (Science Daily)
Enablence Showcases New Products and Substantial Revenue Growth in Fiscal Year 2009 at its Annual General Meeting Oct 7, 2009
- the world's first commercially available 88 Channel AWG Waveguide Module for doubling the number of wavelengths that can be used for long-haul and metro wavelength transmission ... Network and equipment designers around the world turn to Enablence for a variety of components and subsystems for access, metro and long-haul including transceivers, splitters, waveguides, optical channel monitors, multiplexers, ROADMs, switches, tunable dispersion compensators, and photodiodes. (CCNMatthews Press Releases)
'Time telescope' could make internet faster Oct 1, 2009
A magnified image of a 1-cm silicon waveguide, part of a "time telescope" ... The idea uses silicon waveguides as the lenses ... A long, 10-GHz pulse containing bits of data and a much shorter laser pulse with no information pass through one of these waveguides. (BBC News -- Technology)
Silk-based optical waveguides meet biomedical needs Sep 1, 2009
Optical waveguides are of particular interest because of their ability to manipulate and transport light in a controlled manner in a variety of configurations. In an article featured on the cover of Advanced Materials, researchers at Tufts University and the University of Illinois at Urbana-Champaign demonstrated a new method for fabricating silk-based optical waveguides that are biocompatible, biodegradable and can be readily functionalized with active molecules ... The Tufts-UIUC team... (EurekAlert!)
Up-scale: Frequency converter enables ultra-high sensitivity infrared spectrometry Aug 27, 2009
A lithium niobate waveguide (bottom left) combines a pump laser and a near-infrared signal, "up-converting " the signal to a visible wavelength ... Experimental study of high sensitivity infrared spectrometer with waveguide-based up-conversion detector. (EurekAlert!)
Fujitsu Optical Components and Furukawa Electric to Jointly Develop Integrated Receivers for 40Gbps and 100Gbps Optical Networks Aug 19, 2009
Superior design and mass-processing technologies ensuring high quality for PLC chips, such as optical splitter and arrayed-waveguide grating ... Technologies realizing low cost and mass production of package technology, such as the thermal-independent technology for arrayed-waveguide grating ... Optical circuit chip that forms waveguide that propagates light with accuracy exceeding optical wavelength order on silicon or quartz substrate. (JCN Network, Japan)
Tuning Into the 60GHz Spectrum Jul 25, 2009
Vubiq's waveguide radio modules (the radio sans antenna) is one of several chips tuned to take advantage of the for delivering high-speed data wirelessly ... Companies like Terabeam or BridgeWave are likely customers of the Vubiq waveguides, judging by , when Makleff bemoaned the high cost of non-silicon waveguides. (BusinessWeek)
Optical Chip Detects Blood Molecules Jul 17, 2009
Light passes down a silicon nitride waveguide a flat rectangular pipe about 8 micrometres wide and 0 ... The waveguide is coated with a probe molecule that can recognise target molecules by binding to them ... A microfluidics system within the chip passes the sample normally blood serum over the waveguide. (Science Daily)
'Repulsive' Side To Light Force Could Control Nanodevices Jul 14, 2009
In order to create the repulsive force, or the "push," on a silicon chip, the team split a beam of infrared light into two separate beams and forced each one to travel a different length of silicon nanowire, called a waveguide ... "This is not possible in free space it is only possible when light is confined in the nanoscale waveguides that are placed so close to each other on the chip.". (Science Daily)
Integrated optical trap holds particles for on-chip analysis Jul 3, 2009
The technique relies on an earlier innovation from Schmidt's lab: a hollow-core optical waveguide that can direct a beam of light through a liquid-filled channel on a chip. To trap particles, the researchers used two laser beams at opposite ends of a channel. (EurekAlert!)
Cloaking Made Simpler, but Invisible Humans Not Yet a Reality May 29, 2009
In addition to the simplicity of the design [pictured at left], the researchers say that the reflective surfaces, which form what is known as a tapered waveguide, circumvent one of the main pitfalls of metamaterials, which is the high absorption rate of light passing through them. The waveguide also appears to work for multiple wavelengths of visible light, something metamaterials have struggled to do ... Looking for a simpler way, the researchers realized that they could custom-design... (Scientific American)
Healing wounds with lasers, vehicles that drive themselves, other cutting-edge optics May 27, 2009
He achieves an unprecedented deflection rate of a light beam by sending it through an ordinary planar waveguide whose optical properties can be nearly instantaneously modified by a separate pump laser beam incident from above ... Because later portions of the signal encounter more prisms, that part of the signal is deflected by a greater amount than the earlier portions of the signal that had already advanced through the waveguide before the prisms turned on. (EurekAlert!)
Invisibility cloaks spread out May 23, 2009
The new design from Purdue University uses a relatively inexpensive glass and gold waveguide that achieved a more economical design using. "When you send light down a waveguide and taper it properly, you can make that light bend around a certain area," said Purdue professor Vladimir Shalaev ... An inexpensive waveguide directs light around cloaked objects (center) so that even a laser bends around it to emerge on the other side with no shadow cast. (EETimes)
Method To Integrate Plasmon-based Nanophotonic Circuitry With State-of-the-art ICs Developed May 8, 2009
This is unlike conventional dielectric optical waveguides, which are limited by the wavelength of the light, and which therefore cannot be scaled down to tens of nanometers, which is the dimension of the components on today s nanoelectronic ICs ... To make such ICs that combine high-speed CMOS electronics and plasmonic circuitry, efficient and fast interfacing components are needed that couple the signals from plasmon waveguides to electrical devices ... As an important stepping stone to such... (Science Daily)
'Invisibility Cloak' Successfully Hides Objects May 2, 2009
The cloak was demonstrated in a rectangular slab of silicon (250 nanometers thick) that serves as an optical waveguide in which light is confined in the vertical dimension but free to propagate in the other two dimensions. A carefully designed pattern of holes - each 110 nanometers in diameter - perforates the silicon, transforming the slab into a metamaterial that forces light to bend like water flowing around a rock. (Science Daily)
Important Breakthrough Towards Silicon-based All-optical Integrated Circuits Apr 19, 2009
A key element to enable all-optical processing is optical waveguides with highly nonlinear and ultra-fast performance ... rich fabricated an innovative optical waveguide structure by combining deep-ultraviolet lithography, standard CMOS processing and organic molecular beam deposition ... This so-called silicon-organic hybrid (SOH) approach enables the fabrication of waveguides which pave the way towards all-optical processing, where photons do no longer need to be converted to electrons. (Science Daily)
RFS Underscores Its Commitment to the North American Broadcast Market with World-Leading RF Coverage Solutions at the 2009 NAB Show Apr 17, 2009
RFS award winning directional waveguide adjacent channel combiner technology has been deployed in 132 projects worldwide to date, and has saved the TV industry $billions by making it unnecessary to deploy new antenna systems and towers when operating digital and analog systems concurrently during DTV switchovers. Other recent broadcast technology World Firsts for RFS include distributed broadcast systems for digital TV in the US, where the use of multiple low-power transmission sites... (Yahoo! Wire -- Entertainment News)
Research team reports breakthrough in optical silicon communication Apr 15, 2009
Researchers of the of the ETH University (Zurich Switzerland), the Inter-university Research Center IMEC (Leuven, Belgium), the Lehigh University (USA) and the University of Karlsruhe (Germany) have succeeded in manufacturing an optical waveguide structure with highly non-linear behavior and ultra-fast performance ... The devices in question is a tiny SOH waveguide only 4mm long but with a record nonlinearity coefficient of 105 (Wkm)-1 in the 1 ... According to the researchers, the experiment... (EETimes)
Why Animals Migrate: New Understandings Mar 27, 2009
The work was conducted using Ocean Acoustic Waveguide Remote Sensing (OAWRS). In 2006, Makris and colleagues published a paper in Science introducing OAWRS, which they invented, and initial observations made with it. (Science Daily)
Millions of fish shoal in seconds Mar 27, 2009
The technology the researchers used is called Ocean Acoustic Waveguide Remote Sensing. This produces an image of the whole shoal by bouncing sound waves off the bodies of the fish. (BBC News -- Science)
New sensor lets scientists study large fish groups Mar 27, 2009
Using a system called Ocean Acoustic Waveguide Remote Sensing, the team can observe shoals of fish as much as 25 miles across, compared to past echo-sounders which cover only a small area. Makris says the change is like moving from seeing a single pixel to the entire movie. (Atlanta Journal-Constitution -- World)
OFC/NFOEC features breakthroughs in next-generation ethernet, metamaterials, networks Mar 18, 2009
Furthermore, instead of fibers 50 meters long, the Danish researchers accomplish their untangling of the data stream with a waveguide only 5 cm long, an innovation developed by Danish scientist Leif K. Oxenlowe and his colleagues at the Technical University and at the Centre for Ultrahigh Bandwidth Devices for Optical Systems (CUDOS) in Australia ... Many photonic components such as modulators, detectors, switches, and waveguides can be fashioned from silicon, but the light source itself,... (EurekAlert!)
Photonic IC startup secures $19.5 million Mar 18, 2009
All active and passive components of the chip; including the distributed-feedback (DFB) laser, optically pre-amplified detector (OPAD), wavelength splitter, spot-size converter and various elements of passive waveguide circuitry are, uniquely, integrated in one epitaxial growth step, without re-growth or post-growth modification of the epitaxial material. With respect to transmit performance, OneChip s single-frequency DFB lasers will offer a superior performance in terms of reach and bit rate... (EETimes)
New organic material may speed Internet access Mar 16, 2009
The material, which is composed of small organic molecules with high nonlinear optical susceptibilities, mimics the behavior of the snowflakes covering the bricks when it is deposited into the slot, or gap, that separate silicon waveguides that control the propagation of light beams on an integrated optical circuit. Just as the snowflakes, being tiny and mobile, fill every empty space between the two bricks, Biaggio says, the molecules completely and homogeneously fill the slot between the... (EurekAlert!)
Paradigm Shift In MRI Detection Results In Broad Images, Crystal Clear Mar 6, 2009
For efficient signal transmission they required a suitable waveguide with a sufficient diameter to support wave propagation ... Lined with a conductive material, the magnet s bore effectively acts as a waveguide. (Science Daily)
Laser-sculpted Optical Devices For Future Giant Telescopes Feb 10, 2009
By changing the index of refraction along a continuous line, researchers have created hair-thin optical waveguides inside a material ... In their paper, the authors describe two potential instruments a highly dispersive waveguide array to measure the spectrum of the light emitted by celestial objects, and an integrated filter for removing unwanted atmospheric emissions ... The ULI fabricated light channels still lose quite a bit of light, which prohibits the waveguides from being longer than a... (Science Daily)
Transmitting data@ 640 Gbps Feb 8, 2009
Furthermore, instead of 50-metre-long fibres, they accomplish their de-multiplexing of the data stream with a waveguide only five cm long, an innovation developed at the Centre for Ultrahigh Bandwidth Devices for Optical Systems, or CUDOS, in Australia. Another benefit of the new device with the compact size is the potential for integration with other components to create more advanced ultra-fast functional chips. (Sify.com, India)
