# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/ursula-keller
# Generated: 2026-09-02T05:23:15.061Z

schema: https://schema.org/Person
url: "https://fame.am/person/ursula-keller"
name: "Ursula Keller"
slug: "ursula-keller"
description: "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."
tagline: "Swiss laser physicist and university teacher (born 1959)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Ursula_Keller_06_2019.jpg?width=1200"
gender: "female"
country:
  name: "Switzerland"
  isoCode: "CH"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1959-06-21"
livingStatus: "LIVING"
scores:
  popularity:           47.38
  momentum:             5.874356435643564
  historical:           11.816164
  currentAttention:     15.19413012729845
  sourceConfidence:     60
  profileCompleteness:  70
  trendDirection:       "RISING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://uk.wikipedia.org/wiki/%D0%A3%D1%80%D1%81%D1%83%D0%BB%D0%B0_%D0%9A%D0%B5%D0%BB%D0%BB%D0%B5%D1%80"
    title: "Урсула Келлер"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D8%A3%D9%88%D8%B1%D8%B3%D9%88%D9%84%D8%A7_%D9%83%D9%8A%D9%84%D8%B1"
    title: "أورسولا كيلر"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%A7%D9%88%D8%B1%D8%B3%D9%88%D9%84%D8%A7_%D9%83%D9%8A%D9%84%D8%B1"
    title: "اورسولا كيلر"
    type:  "WIKIPEDIA"
  - url: "https://as.wikipedia.org/wiki/%E0%A6%89%E0%A7%B0%E0%A7%8D%E0%A6%9A%E0%A7%81%E0%A6%B2%E0%A6%BE_%E0%A6%95%E0%A7%87%E0%A6%B2%E0%A6%BE%E0%A7%B0"
    title: "উৰ্চুলা কেলাৰ"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Ursula_Keller_(Physikerin)"
    title: "Ursula Keller (Physikerin)"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Ursula_Keller"
    title: "Ursula Keller"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Ursula_Keller"
    title: "Ursula Keller"
    type:  "WIKIPEDIA"
  - url: "https://eu.wikipedia.org/wiki/Ursula_Keller"
    title: "Ursula Keller"
    type:  "WIKIPEDIA"
  - url: "https://fa.wikipedia.org/wiki/%D8%A7%D9%88%D8%B1%D8%B2%D9%88%D9%84%D8%A7_%DA%A9%D9%84%D8%B1"
    title: "اورزولا کلر"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Ursula_Keller"
    title: "Ursula Keller"
    type:  "WIKIPEDIA"
  - url: "https://gl.wikipedia.org/wiki/Ursula_Keller"
    title: "Ursula Keller"
    type:  "WIKIPEDIA"
  - url: "https://he.wikipedia.org/wiki/%D7%90%D7%95%D7%A8%D7%A1%D7%95%D7%9C%D7%94_%D7%A7%D7%9C%D7%A8"
    title: "אורסולה קלר"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%9A%D0%B5%D0%BB%D0%BB%D0%B5%D1%80%2C_%D0%A3%D1%80%D1%81%D1%83%D0%BB%D0%B0"
    title: "Келлер, Урсула"
    type:  "WIKIPEDIA"
  - url: "https://tyv.wikipedia.org/wiki/%D0%9A%D0%B5%D0%BB%D0%BB%D0%B5%D1%80%2C_%D0%A3%D1%80%D1%81%D1%83%D0%BB%D0%B0"
    title: "Келлер, Урсула"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q1340732"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump