By invitation: Professor Roel Baets on Silicon Photonics 4.0

Roel Baets, Emeritus Professor at Ghent University and former Group Leader at imec gave a plenary talk on 'Silicon Photonics 4.0' at the recent ECOC conference. "It will be important for silicon photonics to make use of smart and agile manufacturing, a notion associated with Industry 4.0," said Professor Baets, explaining the title.

In a guest piece, he explains his thoughts and discusses what he saw at ECOC. He also has a request.

Source: ECOC

One of the things I discussed in my ECOC plenary talk was the large gap between research and product development for new applications of photonic integrated circuits (PICs) on the one hand, and product sales and new industrial process flows on the other.

Among many reasons for this gap, one stands out: the major barriers that fabless start-ups face when developing a product based on a still immature industrial supply chain.

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Silicon photonics' second wave

• “I believe the field of silicon photonics is at a pivotal point of change and acceleration.” 

• Professor Roel Baets, the winner of the 2020 John Tyndall Award, talks about what motivates his research and his interests.

Two concentric circles drawn in chalk are shown on-screen. So Professor Roel Baets open his plenary talk at the European Conference on Integrated Optics (ECIO) 2020, asking the online audience what is being shown.

Professor Roel Baets

Suggestions come flooding in: the cross-section of an optical fibre, a silicon wafer, a ring resonator optical component and - the correct answer - a doughnut.

The image is from the front cover of Doughnut Economics: Seven Ways to Think Like a 21st-Century Economist by Kate Raworth, a UK professor of economics.

The author discusses how continual economic growth is out of kilter with the planet’s well-being and details alternative approaches. The “doughnut” represents a sweet-spot region ensuring sustainable growth.

Baets applied the book’s thinking to his plenary talk on the topic of silicon photonics research.

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