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ERC Inaugural Lecture "Can a rainbow help make internet faster?"

dinsdag, 21 juni, 2022 - 17:00
Campus: Brussels Humanities, Sciences & Engineering campus
D
0.08
R&D Events
0493605420
jane.verlinden@vub.be
Inaugural Lecture ERC

Registrations for this lecture are now closed, please contact jane.verlinden@vub.be in case you wish to join us.

Inaugural Lecture by ERC Grant Holder Martin Virte

Can a rainbow help making internet faster?

An important feature of a laser is that it emits light at a single wavelength, that is, a single color. By twerking the concept, we can fabricate lasers that can simultaneously emit light at different wavelength – different colors creating our rainbow– though keeping all other key laser features. But, although they are often seen as fancy lightbulbs that can be easily turned on or off, lasers are complex dynamical devices, and the multi-color emission goes against their natural behavior. In fact, each color “competes” with the others to become the dominant one.

In the COLOR’UP project, our goal is to harness this competition taking place inside the laser to process optical signals. In other words, we want to let the laser do all the work manipulating the incoming light signal without the need for an active control. To do so, we will rely on customization of the laser structure and on a finer understanding of the nonlinearities of the multi-color lasing process.

And how would that make the internet faster? Well, if successful the main advantage would be that, compared to current electronic systems, this approach would – in principle – be easier to scale up towards ultra-high frequencies from hundreds of GHz to the THz range, towards 6G and beyond.

Practical details:
Date: June 21st, 2022
Location: Vrije Universiteit Brussel, Building D room 0.08.
Time: 17u00-19u00 followed by a reception