Enablence Shipping New Products that Support Mobile Backhaul (Fiber-To-The-Cell Tower) and Integrate with T1 and E1 Services for High Bandwidth Business Applications May 28, 2009
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. The Division serves over 120 system and subsystem developers and its products have been integrated in all major communications networks worldwide, serving tens of millions of subscribers. (CCNMatthews Press Releases)
Invisibility cloaks spread out May 23, 2009
This and other intricate structures, however, would be much more expensive to manufacture than Purdue's relatively simple gold and glass waveguides. The Purdue researchers claim that their waveguide cloaks the largest area yet at visible wavelengths, despite the fact that it was just 60 microns in diameter. (EETimes)
New 'broadband' cloaking technology simple to manufacture May 21, 2009
Waveguides represent established technology - including fiber optics - used in communications and other commercial applications. The research team used their specially tapered waveguide to cloak an area 100 times larger than the wavelengths of light shined by a laser into the device, an unprecedented achievement. (EurekAlert!)
New 'Broadband' Cloaking Technology May 21, 2009
Waveguides represent established technology - including fiber optics - used in communications and other commercial applications ... Anisotropic Metamaterials Emulated by Tapered Waveguides: Application to Optical Cloaking. (Science Daily)
Terahertz Waves Are Effective Probes For Integrated Circuit Heat Barriers May 13, 2009
15, 2008) Engineers took an early step toward building superfast computers that run on far-infrared light instead of electricity: They made waveguides -- the equivalent of wires -- that carried and bent this. (Mar. (Science Daily)
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)
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 ... 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 ... Based on these waveguides, all-optical demultiplexing of a 170. (Science Daily)
Research team reports breakthrough in optical silicon communication Apr 15, 2009
According to the researchers, the experiment proved the viability of SOH waveguides for all-optical processing of high-bandwidth telecommunication signals ... Hitherto, the data rate achieved by using bare silicon waveguides was limited to about 40 Gbit/s ... The ability of organic material used to homogenously fill the slot between the waveguides is a key feature of the deposition process. (EETimes)
OFC/NFOEC features breakthroughs in next-generation ethernet, metamaterials, networks Mar 18, 2009
Many photonic components such as modulators, detectors, switches, and waveguides can be fashioned from silicon, but the light source itself, the microlaser, is often assembled from elements residing in columns III and V of the periodic table, and these elements don't sit well on top of silicon ... The lasers are held in place over optical waveguides defined in silicon by an applied voltage until the attachment process is complete. (EurekAlert!)
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!)
Intel developing optical chip-to-chip interconnects Feb 13, 2009
11) describing progress in integrating the waveguides, detectors and modulators needed for integrating photonic interconnects directly onto CMOS chips. Ian YoungIntel Corp. Fellow. (EETimes)
Fujitsu Laboratories Develops CMOS-Based RF Transceiver Chip for 77GHz Automotive Radar Feb 12, 2009
Some examples are waveguides, coaxial lines, and microstrip lines, among others. Related press release: Fujitsu Laboratories Develops World's First CMOS-based Power Amplifier Operating at 77GHz --www. (JCN Network, Japan)
Molecular machines drive plasmonic nanoswitches Feb 12, 2009
"In the past, the plasmonic devices made were all passive." These devices were used as light sources, lenses and waveguides. Huang's switches are activated by a chemical process, however, this is not the optimal choice for a working circuit. (EurekAlert!)
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 ... The ULI fabricated light channels still lose quite a bit of light, which prohibits the waveguides from being longer than a few tens of centimeters ... Moreover, the waveguides cannot be bent sharply, so devices have to be relatively large to allow for low-loss curves. (Science Daily)
300-Gbit/second PCB bus goes optical Feb 29, 2008
IBM first fabricated a complete conventional board, then added polymer waveguides to its top surface using the same type of lithography used to deposit metal traces on chips. To demonstrate its own custom transceivers, IBM spaced two modules 3 millimeters apart with 32 waveguides, yielding the transceivers' 16 bidirectional channels ... "Our polymer waveguides are 35-microns-wide and tall, with 27 microns between them," said IBM researcher Fuad Doany. (EETimes)
Silicon photonics goes mainstream Feb 28, 2008
Luxtera's single chip device integrates both an LRM's electrical transceivers and the optical waveguides onto a CMOS chip; Lightwire has divided the labor between a 65-nm chip for electrical processing and a 130-nm chip dedicated exclusively to the optical functions. "By using two chips instead of one, we think we can move more quickly to multichannel 40 gigabit and 100 gigabit versions," said Lightwire founder and chief technology officer Kal Shastri. (EETimes)
Flawless Data Reception For Internet And Other Fiber-based Telecommunications Feb 25, 2008
A one-rod segment separates the two waveguides ... The waveguides can communicate through the cavity, allowing a specific wavelength frequency to be selected from the input waveguide and transmitted to the output waveguide, excluding other input frequencies and resulting in near 100 percent efficiency for the drop frequencies. (Science Daily)
Avid Audio Group Drives Revolution in Music Creation at NAMM 2008 Jan 19, 2008
M-Audio and Studiophile BX8a Deluxe monitors feature new waveguides, enhanced driver integration and other advancements to deliver a cohesive and refined sound. M-Audio is a leading manufacturer of reference monitors, and the Studiophile series regularly resides at the top of the ranking of best-selling monitors. (Yahoo! Wire -- Entertainment News)
Researchers bend light through waveguides in colloidal crystals Jan 8, 2008
Applications for the optically active crystals include low-loss waveguides, low-threshold lasers and on-chip optical circuitry ... Now, in a paper accepted for publication in Nature Photonics, and posted on the journals Web site, Braun and his team demonstrate actual optical activity in waveguides and cavities created in their colloidal crystals ... Creating these waveguides by coupling colloidal assembly and multi-photon polymerization is simpler and less expensive than conventional... (EurekAlert!)
Sandwich Technique Eases 3D Optical Chip Fabrication Dec 28, 2007
Photonic devices are made on chips, in a similar way to electronic circuits, by combining elements such as laser diodes, waveguides and detectors ... Using InP and GaAs wafer substrates, the WAPITI team created various kinds of microrings with radii down to 10 m. The two-layer technique allowed them to create microrings with vertical connections to the transparent waveguides that carry light in and out of the microrings. (Science Daily)
Optical signals interact with MEMS Nov 6, 2007
Micro- and nanoscale mechanical structures have long been used to sculpt and channel optical signals, from waveguides to resonators, but lately the direction of influence has reversed. Now optical signals are being used to manipulate these mechanical structures. (EETimes)
Microfluidics and optical trapping integrated for the first time in new lab-on-a-chip research Oct 26, 2007
This novel architecture, created by lead researcher Michal Lipson and her group and David Erickson and his group, is made up of a field of solid core waveguides. The waveguides are fabricated from SU-8, a material whose mechanical hardness and chemical resistance make it a source for use in lab-on-chip analysis systems ... The waveguides used in the device achieve a much more efficient sorting process, which enables trapping and sorting much smaller spheres with much lower intensities than what... (EurekAlert!)
Local companies cash in on defense contracts Oct 21, 2007
Dependable Precision Manufacturers: 72,014 for machine shop sets, kits, outfits, antennas, waveguides, centrifugal separators and miscellaneous vehicular components. G-REM: 1,870 for maintenance or other hospital buildings. (Lodi News Sentinel, CA)
New Field-deployable Biosensor Detects Avian Influenza Virus In Minutes Instead Of Days Oct 3, 2007
An electromagnetic field associated with the light beams extends above the waveguides and is very sensitive to the changes caused by antibody-antigen interactions on the waveguide surface. When a liquid sample passes over the waveguides, any binding that occurs on the top of a waveguide because of viral particle attachment causes water molecules to be displaced ... The waveguides can be cleaned and reused dozens of times, decreasing the per-test cost of the chip fabrication. (Science Daily)
Quantum dot coupled to a nanowire Sep 6, 2007
By engineering the location of quantum dots close to a nanowire waveguide, the Harvard researchers managed to route the entire optical output of the quantum dot emitters down nanowire waveguides ... Unlike optical waveguides, which cannot be thinner than the wavelength of the light they transmit, nanowires can confine light in the transverse direction down to almost any sub-wavelength size. (EETimes)
Intel demos 40-Gbit/s silicon laser Aug 24, 2007
For the future, Intel and UCSB plan to cooperate on designing chips that implement some of the possible applications for a silicon laser, with Intel supplying the necessary on-chip silicon waveguides and UCSB implementing the to create the rest of a telecommunications-application chip. Beyond telecommunications, Koch predicts that silicon lasers could also be used on multi-core processors for internal core-to-core communications at speeds impossible for electrically switched signals. (EETimes)
Researchers directly deposit gold nanoparticles in suspension Aug 10, 2007
Nanoscale patterns of nanoparticles have the potential to be used in miniature electronic circuits or in plasmon waveguides to guide the transport of electromagnetic energy below the diffraction limit. Nanoparticles functionalized with biological materials can also be placed between electrodes for use in biosensing applications. (EurekAlert!)
On A Wire Or In A Fiber, A Wave Is A Wave Jul 17, 2007
The results of this experiment may disappoint some researchers who have hoped that SPPs traveling along metal waveguides could allow circuit design to move seamlessly from electronics to photonics. Instead, Zia sees developing and challenging a comprehensive theory as the first step toward devising structures uniquely suited to controlling the movement of SPPs. (Science Daily)
Indian-American scientist wins top award in glass science Jul 10, 2007
The Donors' Association for the Promotion of Science in Germany, which administers the Schott award, also noted with appreciation Jain's research into unique light-inducedphenomena in glass, his studies of the corrosion of glass in nuclear environments, and his work with sensors, infrared optics, waveguides, photolithography, nanolithography andother photonic applications of glass. Jain says he was taking a boat ride to the Isle of Skye off Scotland's west coast 20 years ago when he first... (Daily News & Analysis)
Bright future for nanosized light source Jun 29, 2007
Coupled with earlier projects in which Yang and his research group created ultraviolet nanowire nanolasers, and made nanoribbon optical waveguides that can channel and direct light through circuitry, the new nanowire light source lays firm groundwork for future nanophotonic technology ... Lasers, waveguides, non-linear optical converters and photodetectors are all important components for photonic technology, said Yang ... The next direction we would like to push is single cell endoscopy, in... (EurekAlert!)
Scientists Achieve Atomic Spectroscopy On A Chip Jun 5, 2007
Atomic spectroscopy on a chip: The diagram (a) shows interconnected waveguides forming two independent rubidium vapor cells on a chip ... The key to the group's achievement is their development of hollow-core optical waveguides based on antiresonant reflecting optical waveguide (ARROW) principles ... In previous publications, Schmidt and his collaborators have described other uses of ARROW waveguides integrated into chips using standard silicon fabrication technology. (Science Daily)
Visible Light Bent the 'Wrong' Way Mar 31, 2007
The device might help study cloaking or other effects, he notes, adding that the group wants to try to stack waveguides to bend light in three dimensions. The work, described in this week's Science, is "extraordinarily meticulous and extremely impressive," says engineer David Smith of Duke University. (Scientific American)
IBM's optical chip speeds data transfers Mar 28, 2007
By using IBM's transceiver in conjunction with densely spaced waveguides in place of copper tracks, designers stand to save valuable real estate on circuit boards as well as reducing power consumption, while simultaneously increasing performance. Other early applications are likely to include the high-speed routers that control the flow of data across the Internet's backbone and in high-end corporate and scientific/engineering networks. (iTWire)
Luxtera integrates photodetectors on SOI Mar 16, 2007
Luxtera Inc. has used a silicon-on-insulator (SOI) process from Freescale Semiconductor Inc. as the basis for an integrated receiver with a layered pure-germanium photodetector applied after waveguides are etched into the SOI substrate. Marek Tlalka, Luxtera vice president of marketing, predicted that successful scaling of a single-chip receiver to high volumes might spell the end of the discrete photodetector market for many applications. (EETimes)
Texas researchers claim fastest photonic waveguide Feb 20, 2007
The ultimate goal of such silicon waveguides and is to reduce power consumption in chips by replacing metal interconnection layers with optical interconnects ... "We exploited the slow light effect in photonic crystal waveguides to shorten the interaction length 10 times, thereby reducing the electric current about 10 times for the given current density, yielding much lower voltage and power," said Wei Jiang ... The team claims to have also gained insights into the principles governing... (EETimes)
Third-Order Partners With Photon-X for Defense Telecom/Datacom Jan 3, 2007
Photon-X fabricates extremely high-efficiency low-loss waveguides (less than 0. 05 dB/cm) primarily for customers within the U.S. Government and Department of Defense. (Primezone Releases)
