asteroza + lasercomm   62

Ultrafast spin-lasers | Nature
electron spin flipping modulated lasers may allow 300GHz modulation
laser  lasercomm  physics  optics  materials  science  research  technology  telecomms  light  polarization  spin  optical  communication  spin-laser 
6 weeks ago by asteroza
EOS | Electro Optic Systems | Optical Communications
Demoed a deep space lasercomm with Hayabusa 2 while it was at asteroid Ryugu?
deep  space  lasercomm  laser  communications  JAXA 
february 2019 by asteroza
Mynaric – Connectivity for the skies and beyond
air-to-air mesh, air-to-ground via gateway terminal, and air-to-space. Plus allegedly supplying StarLink/SpaceX, as well as Facebook's drones
space  lasercomm  freespace  optical  laser  communication  aviation  aircraft  satellite 
july 2018 by asteroza
UHD Video Transmission Over Bidirectional Underwater Wireless Optical Communication - IEEE Journals & Magazine
Uses green laser for downlink/primary data, blue for uplink/feedback for compensating for poor water clarity
underwater  laser  communications  lasercomm  UWOC  optical  blue  green  adaptive  link  research  technology  video 
may 2018 by asteroza
MEO constellation for data relay from sats (think commercial TDRS for cubesats), not a telecoms constellation per se...
MEO  satellite  constellation  data  relay  optical  lasercomm  space  newspace 
november 2017 by asteroza
Laser Light Communications
All optical lasercomm MEO constellation, to operate as a "space cable" backhaul for datacenters.
lasercomm  laser  communication  optical  freespace  MEO  space  satellite  constellation  network  Delicious 
november 2016 by asteroza
Datenübertragung per Laser: Bestmarken geknackt
10Km terrestrial lasercomm link at 1.72 Tbps, so conditions are roughly equivalent to a ground-to-orbit lasercomm link
DLR  Fraunhofer  EU  europe  germany  space  communications  freespace  optical  networking  laser  lasercomm  research  Delicious 
november 2016 by asteroza
BridgeSat - Satellite data bandwidth ground station network
New commercial smallsat lasercomm terminals for smallsats, plus a ground receiver network? Now teaming with Boeing for the ground network buildout...
lasercomm  space  laser  communication  communications  hardware  electronics  devices  satcom  terminal  smallsat  cubesat  optical  ground  receiver  network 
august 2016 by asteroza
OSA | Luminescent detector for free-space optical communication
Facebook improving fresspace lasercomm receivers by doping optical waveguides with frequency shifter dyes to catch scintillation diffracted laser light for a wide field of view.
scintillation  effect  compensation  flourescence  flourescent  dye  doping  luminescent  concentrator  optical  fiber  wave  guide  waveguide  detector  large  FoV  optics  materials  science  research  technology  facebook  freespace  laser  communications  lasercomm  receiver  Delicious 
july 2016 by asteroza
AOptix ULL3000 | Anova Technologies
Formerly AOptix hardware, which is a freespace optical communication/RF hybrid telecom link system. Uses an advanced lasercomm terminal with adaptive optics originally developed for military aircraft to ground links.
freespace  free  space  optical  communication  lasercomm  adaptive  optics  hardware  electronics  devices  Delicious 
march 2016 by asteroza
New laser-based aircraft tracking system could aid disaster relief efforts - EPSRC website
Some sort of LCD shutter reflector to reduce transmission power requirements for one side of the link?
laser  freespace  free  space  optical  communication  lasercomm  UAV  drone  semipassive  reflector  optics  research  technology  Delicious 
march 2016 by asteroza
Hyperion Project
Some sort of LCD shutter or modulated quantum well retroreflector to reduce transmission power requirements for one side of the link?
laser  freespace  free  space  optical  communication  lasercomm  UAV  drone  semipassive  reflector  optics  research  technology  hologram  lens  MQW  modulated  quantum  well  retroreflector  reflector  Delicious 
march 2016 by asteroza
Mirrorcle Technologies, Inc. - Home
Makes MEMS mirrors suitable for fast tracking in a lasercomm telescope for a cubesat lasercomm.
high  speed  MEMS  mirror  active  adaptive  optics  research  technology  cubesat  lasercomm  laser  communication  Delicious 
october 2015 by asteroza
Adaptive Free Space Optical Communication Systems | Optonicus
Interesting that than can sort of get away from having monster telescope optics...
laser  communication  lasercomm  fiber  array  collimator  adaptive  optics  Delicious 
january 2015 by asteroza

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