Navigation Links
'Microring' device could aid in future optical technologies
Date:10/19/2011

WEST LAFAYETTE, Ind. - Researchers at Purdue University and the National Institute of Standards and Technology (NIST) have created a device small enough to fit on a computer chip that converts continuous laser light into numerous ultrashort pulses, a technology that might have applications in more advanced sensors, communications systems and laboratory instruments.

"These pulses repeat at very high rates, corresponding to hundreds of billions of pulses per second," said Andrew Weiner, the Scifres Family Distinguished Professor of Electrical and Computer Engineering.

The tiny "microring resonator" is about 80 micrometers, or the width of a human hair, and is fabricated from silicon nitride, which is compatible with silicon material widely used for electronics. Infrared light from a laser enters the chip through a single optical fiber and is directed by a structure called a waveguide into the microring.

The pulses have many segments corresponding to different frequencies, which are called "comb lines" because they resemble teeth on a comb when represented on a graph.

By precisely controlling the frequency combs, researchers hope to create advanced optical sensors that detect and measure hazardous materials or pollutants, ultrasensitive spectroscopy for laboratory research, and optics-based communications systems that transmit greater volumes of information with better quality while increasing bandwidth. The comb technology also has potential for a generation of high-bandwidth electrical signals with possible applications in wireless communications and radar.

The light originates from a continuous-wave laser, also called a single-frequency laser.

"This is a very common type of laser," Weiner said. "The intensity of this type of laser is constant, not pulsed. But in the microring the light is converted into a comb consisting of many frequencies with very nice equal spacing. The microring comb generator may se
'/>"/>

Contact: Emil Venere
venere@purdue.edu
765-494-4709
Purdue University
Source:Eurekalert  

Page: 1 2

Related biology technology :

1. Minimally Invasive Devices, Inc. Announces Release of FloShield™ PLUS
2. Aperion Biologics Reaches Midpoint of Enrollment in Z-Lig™ Anterior Cruciate Ligament Reconstruction Medical Device Performance Trial
3. MedWaves, Incorporated Announces Receipt of the Chinese State Food and Drug Administration (SFDA) Certification to Import and Sell Its Patented AveCure™ Microwave Ablation System and Devices
4. Unexpected adhesion properties of graphene may lead to new nanotechnology devices
5. RapidX250 Rapid Prototype Tool for Micro Fabrication of Microfluidics, MEMs and Medical Devices
6. International Isotopes Inc. Announces Successful International Standards Certification for Manufacture of Its Nuclear Medicine Products and Devices
7. FDA Advisory Panel Unanimously Recommends Approval of EXCOR(R) Pediatric Ventricular Assist Device for Use in the United States
8. Molecular Devices Enables Intuitive Functionality at Your Fingertips on the Apple iPad with the Latest SoftMax Pro Software
9. Colorado Institute for Drug, Device and Diagnostic Development Awards Funding to Fort Collins-based VetDC
10. First self-powered device with wireless data transmission
11. Innovative device for quantum simulations
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
'Microring' device could aid in future optical technologies
(Date:7/14/2014)... July 14, 2014 Throughout this ... across the clinical trials space, representing 38 countries ... series entitled “Optimizing Patient Participation in Clinical Trials. ... off with internationally renowned R&D expert, Ken Getz, ... on Reinventing Drug Development through Patient Centricity. , ...
(Date:7/14/2014)... Mass. , July 14, 2014 Minerva ... the development of new therapies to treat neuropsychiatric diseases ... has been appointed vice president of finance and ... Mr. Ahlholm is a senior executive with more than ... at technology and life science companies. His background includes ...
(Date:7/14/2014)... Mateo, CA (PRWEB) July 14, 2014 ... CONNECT patient registry platform, announced that three ... muscular dystrophies; the Phelan-McDermid Syndrome International Registry; ... Nephrotic Syndrome—have been awarded contracts by the ... of the creation of a new health ...
(Date:7/13/2014)... R.I. (Brown University) -- The discovery 30 years ago ... an explosion of nanotechnology research. Now, there appears to ... from Brown University, Shanxi University and Tsinghua University in ... atoms forms a hollow molecular cage similar to a ... boron cage structurepreviously only a matter of speculationdoes indeed ...
Breaking Biology Technology:Optimizing Patient Participation in Clinical Trials: Attract. Engage. Retain. – eCongress eBox Archives Now Available 2Optimizing Patient Participation in Clinical Trials: Attract. Engage. Retain. – eCongress eBox Archives Now Available 3Optimizing Patient Participation in Clinical Trials: Attract. Engage. Retain. – eCongress eBox Archives Now Available 4Optimizing Patient Participation in Clinical Trials: Attract. Engage. Retain. – eCongress eBox Archives Now Available 5Minerva Neurosciences Announces Appointment Of Frederick W. Ahlholm As VP Of Finance And Chief Accounting Officer 2PatientCrossroads Fuels Development of New National Clinical Research Network 2PatientCrossroads Fuels Development of New National Clinical Research Network 3Researchers discover boron 'buckyball' 2Researchers discover boron 'buckyball' 3
... ADVENTRX Pharmaceuticals,Inc. (Amex: ANX ) today announced ... scheduled to present at the Rodman & Renshaw,10th Annual ... Tuesday, November 11th, 2008 at 2:50 p.m. Eastern Time ... 2008 at the,Palace Hotel in New York., The ...
... Driven by the emergence of innovative technologies ... and proteomics, world market for drug discovery ... by 2012. Despite the heavy costs involved ... pharmaceutical research and development are reaching new ...
... of Wisconsin-Madison engineers and physicists have developed a method ... that could lay the foundation for faster flexible electronics. ... electronic devices. Silicon thin films could be the basis ... inducing strain into the silicon increases device speed, yet ...
Cached Biology Technology:Global Drug Discovery Technologies Market to Exceed $57 Billion by 2012, According to a New Report by Global Industry Analysts 2Global Drug Discovery Technologies Market to Exceed $57 Billion by 2012, According to a New Report by Global Industry Analysts 3Global Drug Discovery Technologies Market to Exceed $57 Billion by 2012, According to a New Report by Global Industry Analysts 4Stretching silicon: A new method to measure how strain affects semiconductors 2
(Date:7/14/2014)... of Kansas scientists to the discovery and description of ... collections specimen, which turned out to represent a new genus ... ripidiine wedge beetle from Borneo is discussed in a recent ... . , The holotype male, and only known specimen ... in Borneo but subsequent to this it was transferred among ...
(Date:7/14/2014)... environment manage much better in the struggle for survival ... A world without bees would be a whole lot ... million to 1 billion Danish kroner are earned annually ... and pollinating a wide range of crops from apples ... the world are under pressure from pesticides, mites, viruses, ...
(Date:7/14/2014)... The Roquin protein, discovered in 2005, controls T-cell ... certain mRNAs. In doing so, it helps to ... the body,s own structures that can lead to ... Autoimmune diseases affect between five and ten per ... a result of complex environmental influences when a ...
Breaking Biology News(10 mins):Serendipity at the Smithsonian: The 107-year journey of the beetle Rhipidocyrtus muiri 2Serendipity at the Smithsonian: The 107-year journey of the beetle Rhipidocyrtus muiri 3Best for bees to be stay-at-homes 2Molecular mechanisms underlying the prevention of autoim-munity by Roquin revealed 2
... Since the 1960s, psychiatrists have been hunting for substances ... high levels to produce the symptoms associated with schizophrenia. ... might be related to the hallucinogens phencyclidine (PCP) or ... of psychotic symptoms in schizophrenia. This "auto-intoxication" hypothesis led ...
... March 14, 2013 In the largest ever ... genetics company, identified 20 new genetic associations for myopia, ... in the study, which was specific to individuals of ... data and survey responses from more than 50,000 23andMe ...
... to feed, some whales throw their jaws wide and engulf ... along with their mouths agape (ram or skim feeding), yet ... whales, mouths to filter nutrition from the ocean: baleen. Alexander ... how the hairy substance actually traps morsels of food. ,The ...
Cached Biology News:The mysterious GRIN3A and the cause of schizophrenia 223andMe identifies multiple genetic factors impacting development of nearsightedness 2Whale's streaming baleen tangles to trap food 2
... Serum; U.S. sourced, ideal for ... quality; Low hemoglobin; Endotoxin: < ... of US origin; U.S. sourced, ... an uncompromising quality. Low hemoglobin ...
Chicken polyclonal to ytzF ( Abpromise for all tested applications). Antigen: Full length protein...
Fetal Calf Serum Replacement (Bistec) serum...
...
Biology Products: