terahertz   38

Non‐Volatile Silicon Photonics Using Nanoscale Flash Memory Technology - Grajower - - Laser & Photonics Reviews - Wiley Online Library
MONOS allows using conventional NAND flash CMOS manufacturing techniques to yield potentially terahertz speed circuits. Heat is probably still a problem, but this may make chip internal optics easier, as well the mentioned filter/switch/modulator/resonater/laser optics applications
metal  oxide  nitride  silicon  semiconductor  terahertz  IC  circuit  research  technology  manufacturing  optics  optonics  photonics  photonic  materials  science 
march 2018 by asteroza
FCC to consider item on bands above 95 GHz at its February meeting | FierceWireless
"The FCC is set to consider an agenda item at its next open commission meeting on Feb. 22 that proposes to open up gobs of new spectrum above 95 GHz.

If approved, the Notice of Proposed Rulemaking would seek comment on adopting rules for fixed point-to-point use of up to 102.2 gigahertz of spectrum in various bands, as well as making up to 15.2 gigahertz of spectrum available for unlicensed use in several band segments and creating a new category of experimental licenses for the 95 GHz to 3 THz range."

aka Spectrum Horizons - Pai blog https://www.fcc.gov/news-events/blog/2018/02/01/innovation-month-fcc

"The FCC noted that the technologies that ultimately are deployed above 95 GHz will depend on the propagation properties of the spectrum in which those technologies will operate. Millimeter wave signals are affected by oxygen and water vapor within the atmosphere, although the amount of signal attenuation varies with frequency and other factors. Attenuation caused by oxygen is significant throughout the millimeter wave spectrum but increases dramatically around 60 GHz, 120 GHz and 183 GHz, the FCC said."
FierceWireless  NPRM  FCC  95GHz  Terahertz 
february 2018 by pierredv
Judging a book through its cover with terahertz radiation @mit https://www.youtube.com/watch?v=6i25SuJzb0A
A prototype system from the MIT Media Lab can read through the first nine pages of a closed book. The time-gated terahertz spectral-imaging system, developed by Ramesh Raskar and colleagues in the Camera Culture Group, can identify individual letters.
tweet  terahertz  mit  video 
september 2016 by mjh
Terahertz-driven linear electron acceleration : Nature Communications : Nature Publishing Group
Interesting new take on linear accelerators, possible x100 improvement leading to free electron x-ray lasers...
terahertz  RF  wave  linear  particle  electron  accelerator  physics  research  technology  hardware  electronics  devices  Delicious 
october 2015 by asteroza
Engineers from Brown Develop Key Component for Terahertz Wireless
1. What about range, penetration & reliability? "Engineers Develop Component 4
Terahertz  research  Wireless  rfw  from twitter
september 2015 by cveira
Engineers create world's most powerful terahertz laser chip
A team of researchers from the University of Leeds have developed the world’s most powerful terahertz laser chip. Last year, a group from Vienna University of Technology reported that they recorded an output of 0.47 Watt from a single laser facet, but that record has since been smashed with the team from Leeds now having [...]

The post Engineers create world’s most powerful terahertz laser chip appeared first on VR-Zone.
Engineers  create  world’s  most  powerful  terahertz  laser  chip 
february 2014 by vrzone

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