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Fibre-optic transmission of 4000 km made possible by ultra-low-noise optical amplifiers

Fibre-optic transmission of 4000 km made possible by ultra-low-noise optical amplifiers

Press Releases   •   Jul 05, 2018 07:00 BST

​Researchers from Chalmers University of Technology, Sweden, and Tallinn University of Technology, Estonia, have demonstrated a 4000 kilometre fibre-optical transmission link using ultra low-noise, phase-sensitive optical amplifiers. This is a reach improvement of almost six times what is possible when using conventional optical amplifiers. The results are published in Nature Communications.

Sweden invests 1 billion SEK in testbed for electromobility

Sweden invests 1 billion SEK in testbed for electromobility

Press Releases   •   Jun 29, 2018 09:31 BST

RISE (Research Institutes of Sweden), and Chalmers University of Technology have now begun, with support from the Swedish government, the establishment of a Swedish testbed for electromobility. Overall, contributions from the government, and the industrial partners CEVT, Scania, Volvo Cars and Volvo Group, enable an investment of 1 billion Swedish krona for the testbed.

How smart technology gadgets can avoid speed limits

How smart technology gadgets can avoid speed limits

Press Releases   •   Jun 28, 2018 07:00 BST

​Speed limits apply not only to traffic. There are limitations on the control of light as well, in optical switches for internet traffic, for example. Physicists at Chalmers University of Technology now understand why it is not possible to increase the speed beyond a certain limit – and know the circumstances in which it is best to opt for a different route.

Graphene assembled film shows higher thermal conductivity than graphite film

Graphene assembled film shows higher thermal conductivity than graphite film

Press Releases   •   Jun 21, 2018 11:05 BST

​Researchers at Chalmers University of Technology, Sweden, have developed a graphene assembled film that has over 60 percent higher thermal conductivity than graphite film – despite the fact that graphite simply consists of many layers of graphene. The graphene film shows great potential as a novel heat spreading material for form-factor driven electronics and other high power-driven systems.

Images View all 235 hits

Ivan Mijakovic, Professor at the Department of Biology and Biological Engineering, Chalmers

Ivan Mijakovic, Professor...

“Something else that’s becoming big, and I think is going to be very important in the future, is so-called ‘biosensing’. Graphene conduct...

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Photographer / Source Johan Bodell/Chalmers University of Technology
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But more research is needed on health risks

But more research is need...

"More research is needed before we can claim it is entirely safe. Among other things, we know that graphene does not degrade easily,” say...

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Santosh Pandit, postdoc at the Department of Biology and Biological Engineering

Santosh Pandit, postdoc a...

Santosh Pandit, postdoctoral researcher at Chalmers, had expected the graphene flakes to harm human cells as well: "It surprised me that ...

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Photographer / Source Johan Bodell/Chalmers University of Technology
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Jie Sun, Associate Professor at Micro Technology and Nanoscience

Jie Sun, Associate Profes...

Associate Professor Jie Sun has long experience in graphene research, and is proud of the research results. "I was surprised at how effec...

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Photographer / Source Johan Bodell/Chalmers University of Technology
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Videos View all 20 hits

Vibration tests in Karlskoga, Sweden

Vibration tests in Karlsk...

The receiver is subjected to tough vibration tests at Bofors Test Centre in Karlskoga. Video (10 sec) available. Credit: Leif Helldner/Ch...

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The textile generates electricity when the fibers are deformed

The textile generates ele...

When the textile is stretched or exposed to pressure, the deformation of the piezoelectric fibres (pink) causes a reorganisation of the c...

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Electric textile lights a lamp when stretched

Electric textile lights a...

Anja Lund demonstrates the technology with a piece of the electric textile in the shoulder strap of a bag (the lighter-coloured part). Wh...

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Sulphur-detecting plane

Sulphur-detecting plane

The plane that the Chalmers researchers use to detect sulphur emissions from ships. Video: Johan Mellqvist

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Documents View all 21 hits

Embedding code for 4 videos.

Quantum Technology

Quantum Technology

Documents   •   Nov 15, 2017 07:40 GMT

Fact sheet about the quantum revolution, central quantum phenomena and quantum technology.

Wallenberg Centre for Quantum Technology

Wallenberg Centre for Quantum Technology

Documents   •   Nov 15, 2017 07:40 GMT

Fact sheet on the research programme Wallenberg Centre for Quantum Technology, led by Chalmers University of Technology in Gothenburg, Sweden.

Quieter cities of the future, Lessening the severe health effects of traffic noise in cities by emission reductions

Traffic noise is the second biggest environmental problem in the EU, according to WHO. After air pollution, noise is affecting health the most. But legislation regarding noise pollution is insufficient. A new report shows how negative health effects of noise can be reduced. Several means are easiest to apply in dense cities.

Contacts 3 hits

  • Press Contact
  • Press Officer
  • joshua.worth@chalmers.se
  • +46-31-772 63 79

  • Press Contact
  • Press Officer Chalmers
  • jomphasannhua.odwildsxose@chephkkfalfemecirs.slue
  • +46-31-772 20 29

  • Press Contact
  • Head of Media Relations
  • chjackjvristiathn.getlborgeuaj@chaaulmczers.caigse
  • +46-31-772 33 95