Ursula Keller
Swiss laser physicist and university teacher (born 1959) · Switzerland · Scientists
Ursula Keller is read about 14 times a day, in 14 languages.
A typical day, 30 days to 20 September 2026
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Something wrong?Ursula Keller is a Swiss physicist. She has been a tenured physics professor at ETH Zurich, Switzerland since 1993.
A life in dates
Also in Deutsch
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Awards
About this person
Ursula Keller is a Swiss physicist. She has been a tenured physics professor at ETH Zurich, Switzerland since 1993. A pioneer in ultrafast science and technology, she is known for inventing the semiconductor saturable absorber mirror (SESAM), enabling passive mode-locking of lasers and revolutionizing ultrafast laser applications in science and industry. Keller led the Swiss NCCR MUST program in ultrafast science (2010-2022), co-founded several companies, including Time-Bandwidth Products and K2 Photonics, and published a graduate textbook "Ultrafast Laser Physics" with Springer Verlag. She is highly cited and received many prestigious awards. From 2012-2016 she was the founding president of the Women Professors Forum at ETH Zurich.
In common with Ursula
Juan Ignacio Cirac SasturáinBoth received Zeiss Research Award
Eli YablonovitchBoth received IEEE Photonics AwardPaul CorkumBoth received Charles Hard Townes Award
May R. BerenbaumBoth received Weizmann Women & Science Award
Federico CapassoBoth received SPIE Gold MedalEmil WolfBoth received Frederic Ives MedalFame.am measures public visibility signals. It does not measure human value, talent, morality, or credibility.