Wednesday, August 27, 2014
Search
  
Submit your own News for
inclusion in our Site.
Click here...
Breaking News
Nero 2015 is Coming At IFA
LaCie Ships the 48 TB Thunderbolt 2 Storage Solution
ALCATEL ONETOUCH Launches New Affordable Smartphones
ZOTAC Debuts the ZBOX PI320 pico
Dropbox Now Offers 1TB Pro plan for 10 Dollars
HTC Reveals Entry-level Desire 510 Powered By a 64-bit Processor
Archos To Showcase Windows And Android Devices At IFA
Larger iPad Coming Next Year
Active Discussions
help questions structure DVDR
Made video, won't play back easily
Questions durability monitor LCD
Questions fungus CD/DVD Media, Some expert engineer in optical media can help me?
CD, DVD and Blu-ray burning for Android in development
IBM supercharges Power servers with graphics chips
Werner Vogels: four cloud computing trends for 2014
Video editing software.
 Home > News > Optical Storage > Chinese...
Last 7 Days News : SU MO TU WE TH FR SA All News

Tuesday, November 23, 2004
Chinese team produces quantum dot laser


A team at the State Key Laboratory in China has fabricated a 1330 nm GaAs-based quantum dot laser that's capable of continuous-wave operation at room temperature.

Researchers at the State Key Laboratory for Semiconductor Superlattice and Microstructures have fabricated a long-wavelength GaAs-based quantum dot laser, according to a report from the Chinese Academy of Sciences.

The 1.33 ?m laser, containing InAs quantum dots formed by a self-assembly process on a GaAs substrate, can operate in continuous-wave mode at room temperature.

Experts have touted the success of these quantum dot lasers, which are claimed to offer faster switching and lower power consumption than InP-based alternatives, as China's most important recent achievement in the field of GaAs-based long-wavelength devices.

The team's first significant breakthrough came over four years ago, when they fabricated MBE-grown InAs-based quantum dot lasers emitting in the 0.9-1.1 ?m region.

By 2002 emission had been extended to 1.3 ?m, and since then efforts have focused on increasing the emission wavelength to 1.35 ?m, and achieving a quantum dot density of 4x1010 cm-2.

The researchers are now improving the quantum-dot laser to a level that is suitable for practical applications. In addition, the team is investigating alternative materials systems, including GaInAs/GaAsSb lasers. These devices currently emit at 1.31 ?m, but it is thought that this material system will allow emission wavelengths to be extended to 1.55 ?m.


Previous
Next
DVD media surge as CD-R market peaks        All News        AOpen Announce GeForce 6600GT Solution for AGP-Based PCs
DVD media surge as CD-R market peaks     Optical Storage News      Asaca to Demonstrate 33TB Blue Laser Optical Storage Library Utilizing Cartridge-Free Media at RSNA

Source Link Get RSS feed Easy Print E-Mail this Message

Related News
Optical Disc Sales Down
DVD And Blu-ray Discs Remain Popular in Britain
DVD CCA Ends Litigation with Kaleidescape
DVD Writer and Media Market Keeps Shrinking
DVD And Blu-ray Discs Remain Preferred Sources of Video Content
DVD FLLC To Run 2013 Market Inspection Tests
DVD6C Lowers Royalty Rates for DVD Read-only Discs
DVD6C Files Lawsuit Against CDI Media
DVD6C Terminates Patent License Agreement with Canadian Premium Disc
Deals, DVDs and Blu-ray Discs Were a Hit With Shoppers Over Black Friday Weekend
CD, DVD Recordable Media Market Down
DVDs, Blu-ray Disc Rentals Surpass Streaming

Most Popular News
 
Home | News | All News | Reviews | Articles | Guides | Download | Expert Area | Forum | Site Info
Site best viewed at 1024x768+ - CDRINFO.COM 1998-2014 - All rights reserved -
Privacy policy - Contact Us .